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Tributyl phosphateCAS NO:126-73-8
Cas No: 126-73-8
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Tributyl phosphate CAS 126-73-8 TBP CAS no 126-73-8 Tri-n-butyl phosphate
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Good quality Tributyl phosphate
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Factory Price OLED 99% 126-73-8 2,5,8,11-Tetra-tert-butylperylene Manufacturer
Cas No: 126-73-8
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phosphoric acid tributyl ester
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Tributyl phosphate CAS:126-73-8
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Tributyl phosphate 126-73-8
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126-73-8 Usage

Uses

Tributyl phosphate is used as an antifoaming agent; plasticizer for cellulose esters, lacquers, plastic, and vinyl resins; component in hydraulic fluids for aircraft control systems.

Uses

Tributyl phosphate is used as a plasticizer for cellulose esters, vinyl resins, and lacquers; and in making fireretardants, biocides, defoamers, and catalysts.

Air & Water Reactions

Water insoluble. Reacts slowly with water under basic conditions.

Waste Disposal

Tributyl phosphate is dissolved in a combustible solvent and is burned in a chemical incinerator equipped with an afterburner and scrubber.

Health Hazard

Tributyl phosphate is a neurotoxic compound and an irritant. The toxic effects are characteristic of organic phosphates. It inhibits cholinesterase activity and causes paralysis. Inaddition,itcancausedepressionofthecentralnervoussystem,aswellasirritationofthe skin,eyes,andrespiratorypassage.Inhalation toxicity data in the literature are inconsistent. The oral toxicity in rats was low; the LD50 value was reported as 1189 mg/kg (NIOSH 1986). The pure liquid instilled into rabbits’ eyes caused severe irritation but no permanent damage. The irritation effect on the skin is mild.Tributyl phosphate exhibited teratogenic effects in rats. There is no report on its carcinogenicity..

Description

On decomposition, TBP releases COx, toxic fumes of phosphoric acid, phosphorus oxides, and/or phosphine. TBP is incompatible with strong oxidising agents and alkalis. The major uses of TBP in industry are as a component of aircraft hydraulic fluid and as a solvent for rare earth extraction and purification. Minor uses of TBP include use as a defoamer additive in cement casings for oil wells, an anti-air entrainment additive for coatings and floor finishes, as well as a carrier for fluorescent dyes. The major uses of TBP comprise over 80% of the volume produced.

Physical properties

Clear, colorless to pale yellow, odorless, slightly flammable, oily liquid

Industrial uses

1. As an antifoaming agent. 2. As a plasticizer for cellulose esters, lacquers, plastics, and vinyl resins. 3. As a complexing agent in the extraction of heavy metals, especially for the extraction of metal ions from solutions of reactor products in nuclear fuel reprocessing. 4. As an aircraft hydraulic fluid. 5. As a heat exchange medium and dielectric. 6. As a pigment-grinding agent.

Environmental fate

Biological. Indigenous microbes in Mississippi River water degraded tributyl phosphate to carbon dioxide. After 4 wk, 90.8% of the theoretical carbon dioxide had evolved (Saeger et al., 1979). Chemical/Physical. Complete hydrolysis yields 1-butanol and phosphoric acid via the intermediates dibutyl phosphate and monobutyl phosphate (Thomas and Macaskie, 1996).

Purification Methods

The main contaminants in commercial samples are organic pyrophosphates, monoand dibutyl phosphates and butanol. It is purified by washing successively with 0.2M HNO3 (three times), 0.2M NaOH (three times) and water (three times), then fractionally distilled under vacuum. [Yoshida J Inorg Nucl Chem 24 1257 1962.] It has also been purified via its uranyl nitrate addition compound, obtained by saturating the crude phosphate with uranyl nitrate. This compound is crystallised three times from n-hexane by cooling to -40o, and then decomposed by washing with Na2CO3 and water. Hexane is removed by steam distillation; the water is then evaporated under reduced pressure, and the residue is distilled under reduced pressure. [Siddall & Dukes J Am Chem Soc 81 790 1959.] Alternatively, wash it with water, then with 1% NaOH or 5% Na2CO3 for several hours, then finally with water. Dry it under reduced pressure and fractionate it carefully under vacuum. It is a stable colourless oil, sparingly soluble in H2O (1mL dissolves in 165mL of H2O), but freely miscible in organic solvents. [Kuivila & Masterton J Am Chem Soc 74 4953 1952, Cox & Westheimer J Am Chem Soc 80 5441 1958, 31P NMR: Van Wazer J Am Chem Soc 78 5715 1956, Fertig et al. J Chem Soc 1488 1957, Beilstein 1 IV 1531.]

Production Methods

Prepared by the reaction of phosphorus oxychloride with butyl alcohol.

Safety Profile

Poison by intraperitoneal and intravenous routes. Moderately toxic by ingestion, inhalation, and subcutaneous routes. Experimental reproductive effects. A skin, eye, and mucous membrane irritant. Combustible when exposed to heat or flame. To fight fire, use CO2, dry chemical, fog, mist. When heated to decomposition it emits toxic fumes of POx.

Preparation

Tributyl phosphate is manufactured by reaction of phosphoryl chloride with n-butanol. A 1-liter four-necked flask is fitted with an efficient condenser, an air-tight stirrer, a short-stemmed dropping funnel and a thermometer. Calcium chloride tubes are attached to the top of dropping funnel and the reflux condenser. 137 ml (111 g) of dry n-butyl alcohol, 132.5 ml (130 g) of dry pyridine and 140 ml of dry benzene are placed in the flask, which is stirred and cooled in an ice-salt mixture until the temperature falls to – 5° C. 40.5 ml (76.5 g) of freshly redistilled (b.p. 106-107° C) phosphorus oxychloride are dropwise added from the funnel at such a rate that the temperature does not rise above 10° C. When all phosphorus oxychloride has been added the reaction mixture is gently refluxed for 2 hours and cooled to room temperature. 250 ml of water are added in order to dissolve the pyridine hydrochloride, the benzene layer is separated, washed several times with water until the washings are neutral, and dried over anhydrous sodium or magnesium sulfate. The benzene is removed by evaporation and crude tributyl phosphate is purified by distillation in a vacuum. The fraction boiling at 160-162°/15 mm or 138-140°/6 mm is collected yielding 95 g of pure tributyl phosphate.

Definition

ChEBI: A trialkyl phosphate that is the tributyl ester of phosphoric acid.

Chemical Properties

Stable, colorless liquid; odorless. Miscible with most solvents and diluents; soluble in water. Combustible.

Potential Exposure

The industrial application of this chemical is responsible for occupational exposure and environmental pollution. Exposure to TBP can be from ingestion, inhalation, or skin or eye contact. This exposure will most often happen from occupational use of hydraulic fluid. If TBP is released to the environment, it will bind tightly to dust particles in the air. Unbound TBP will break down in air. It will move slowly through soil because it will bind with soil particles. It may volatilize slowly from moist soil and water surfaces. It may build up in aquatic organisms. It will be broken down in water by microbes.

Reactivity Profile

Tributyl phosphate is incompatible with strong oxidizing agents and strong bases. Attacks some forms of plastics and rubber .

Uses

Tributyl phosphate (TBP) is a trialkyl phosphate that is the tributyl ester of phosphoric acid. TBP is a toxic organophosphorous compound widely used in many industrial applications, including significant usage in nuclear processing. TBP is a solvent and plasticizer for cellulose esters such as nitrocellulose and cellulose acetate. The major uses of TBP in industry are as a component of aircraft hydraulic fluid and as a solvent for extraction and purification of rare earth metals from their ores, such as uranium and plutonium. TBP is used also in mercerizing liquids, where it improves their wetting properties. TBP is also used as a heat exchange medium. TBP is used in some consumer products such as herbicides and water thinned paints and tinting bases.

Carcinogenicity

TBP was not genotoxic in a variety of in vivo and in vitro assays.7 It has been suggested that the carcinogenic effects of TBP are species- and organ specific. The necrotic actions of TBP (or a metabolite) on rat urinary bladder epithelium may induce chronic repair processes that cause the normal epithelium to be transformed into its metaplastic and neoplastic forms. TBP was not teratogenic when administered to rats and rabbits during gestation; fetotoxic effects (delayed ossification and reduced fetal body weights) occurred in rats at doses that caused severe maternal toxicity. There was no evidence of reproductive toxicity or reproductive organ pathology in twogeneration studies in rats fed TBP in the diet.

Fire Hazard

Special Hazards of Combustion Products: Toxic fumes of PO x

Uses

Plasticizer for cellulose esters, lacquers, plastics, and vinyl resins.

Chemical Properties

Tributyl phosphate?is an odorless colorless to yellow liquid. The solubility of TBP is only 280 mg/L in water at 25°C. It is soluble in diethyl ether, benzene, carbon disulfide. It can be miscible with ethanol. It is stable, but it is incompatible with strong oxidizing agents. Tributyl phosphate (TBP) is an organophosphorus compound widely used as a solvent in nuclear fuel reprocessing for the extraction of uranium and plutonium from other radionuclides. The major uses of tributyl phosphate (TBP) in industry are as a flame retardant component of aircraft hydraulic fluid and as a solvent for rare earth extraction and purification. Minor uses of TBP include use as a defoamer additive in cement casings for oil wells, as an anti-air entrainment additive for coatings and floor finishes, as a solvent in nuclear fuel processing, and as a carrier for fluorescent dyes. The microbial degradation of tributyl phosphate was carried out using Klebsiella pneumoniae S3 isolated from the soil. The solubilization behavior of TBP in aqueous solutions of L64-Pluronics was studied using light and small angle neutron scattering (SANS).
InChI:InChI=1/C12H27O4P/c1-4-7-10-14-17(13,15-11-8-5-2)16-12-9-6-3/h4-12H2,1-3H3

126-73-8 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (A16084)  Tri-n-butyl phosphate, 98%    126-73-8 250ml 198.0CNY Detail
Alfa Aesar (A16084)  Tri-n-butyl phosphate, 98%    126-73-8 1000ml 295.0CNY Detail
Alfa Aesar (A16084)  Tri-n-butyl phosphate, 98%    126-73-8 5000ml 1160.0CNY Detail
Sigma-Aldrich (PHR1205)    pharmaceutical secondary standard; traceable to PhEur 126-73-8 PHR1205-0.5ML 732.19CNY Detail
Sigma-Aldrich (00675)  Tributylphosphate  for extraction analysis, ≥99.0% (GC) 126-73-8 00675-100ML 451.62CNY Detail
Sigma-Aldrich (00675)  Tributylphosphate  for extraction analysis, ≥99.0% (GC) 126-73-8 00675-500ML 1,346.67CNY Detail
Sigma-Aldrich (Y0000279)  Tri-n-butyl phosphate  European Pharmacopoeia (EP) Reference Standard 126-73-8 Y0000279 1,880.19CNY Detail
Sigma-Aldrich (34108)  Tributylphosphate  analytical standard 126-73-8 34108-2ML 356.85CNY Detail
Sigma-Aldrich (90820)  Tributylphosphate  puriss., ≥99.0% (GC) 126-73-8 90820-100ML 659.88CNY Detail
Sigma-Aldrich (90820)  Tributylphosphate  puriss., ≥99.0% (GC) 126-73-8 90820-500ML 2,068.56CNY Detail
Aldrich (158615)  Tributylphosphate  97% 126-73-8 158615-1L 360.36CNY Detail
Aldrich (158615)  Tributylphosphate  97% 126-73-8 158615-2.5L 1,184.04CNY Detail

126-73-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name tributyl phosphate

1.2 Other means of identification

Product number -
Other names phosphoric acid tributyl ester

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:126-73-8 SDS

126-73-8Synthetic route

butan-1-ol
71-36-3

butan-1-ol

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With oxygen; phosphan; copper dichloride at 24.9℃; Rate constant; Product distribution; other acohols and reagents, var. concentration of reagents and temperatures;100%
With oxygen; phosphan; copper dichloride at 24.9℃;100%
With oxygen; copper dichloride at 59.9℃;100%
butan-1-ol
71-36-3

butan-1-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

n-Butyl chloride
109-69-3

n-Butyl chloride

Conditions
ConditionsYield
With hydrogenchloride; water; oxygen; copper dichloride at 59.9℃; Product distribution; Mechanism; other alcohols, var. conc. of reagents, var. temperat.;A 100%
B n/a
With phosphan; chlorine Rate constant; Thermodynamic data; Ea, ΔS(excit.); also in the presence of pyridine;
sodium butanolate
2372-45-4

sodium butanolate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With trichlorophosphate In butan-1-ol at 10 - 30℃; for 1.83333h;98%
With diethyl ether; trichlorophosphate; butan-1-ol at 0℃;
butan-1-ol
71-36-3

butan-1-ol

A

dibutyl hydrogen phosphite
1809-19-4

dibutyl hydrogen phosphite

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With sodium hypophosphite; copper dichloride at 24.9℃; for 214h;A 5.5%
B 94.5%
With hydrogenchloride; zinc(II) phosphide; iron(III) chloride at 70℃;A 90%
B 9%
With sodium hypophosphite; copper dichloride at 24.9℃; for 173h;A 16.7%
B 87.3%
O,O,O-tributyl phosphorothioate
78-47-7

O,O,O-tributyl phosphorothioate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With ozone In dichloromethane at -75℃;92%
butan-1-ol
71-36-3

butan-1-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

n-Butyl chloride
109-69-3

n-Butyl chloride

C

dibutyl ether
142-96-1

dibutyl ether

Conditions
ConditionsYield
With oxygen; phosphan; copper(l) chloride; copper dichloride at 24.9℃; Kinetics; Product distribution; Mechanism; ΔE(excit.), ΔS(excit.); other reagents, other catalysts;A 90%
B n/a
C n/a
With oxygen; phosphan; copper(l) chloride; copper dichloride at 24.9℃;A 90%
B n/a
C n/a
butan-1-ol
71-36-3

butan-1-ol

A

n-butyl phosphoric acid
1623-15-0

n-butyl phosphoric acid

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

C

dibutyl phosphate
107-66-4

dibutyl phosphate

Conditions
ConditionsYield
With phosphorus; tetraethylammonium iodide In water; acetonitrile electrolysis;A n/a
B 87%
C n/a
1-iodo-butane
542-69-8

1-iodo-butane

dibutyl phosphate
107-66-4

dibutyl phosphate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With cesium fluoride In acetonitrile for 6h; Ambient temperature; also with n-butylbromide;86%
butan-1-ol
71-36-3

butan-1-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

butylbis(α-hydroxybutyl)phosphine oxide
72095-77-3

butylbis(α-hydroxybutyl)phosphine oxide

Conditions
ConditionsYield
With phosphan; p-benzoquinone at 80℃; Kinetics; Condensation; oxidation;A 15%
B 85%
butan-1-ol
71-36-3

butan-1-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

dibutyl phosphate
107-66-4

dibutyl phosphate

Conditions
ConditionsYield
With sodium bromate; phosphan at 80℃; Kinetics; Condensation;A 20%
B 80%
With sodium hypophosphite; copper dichloride at 24.9℃; for 4h;A 22.2%
B 77.8%
With phosphorous; air; ruthenium hydroxide trichloride; copper dichloride at 80℃; oxidative alkoxylation;A 33.7%
B 11.3%
dibutyl hydrogen phosphite
1809-19-4

dibutyl hydrogen phosphite

butan-1-ol
71-36-3

butan-1-ol

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With sodium hydroxide; tetrabutylammomium bromide In tetrachloromethane; dichloromethane at 15℃; for 3h;71.6%
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

A

sulfuric acid dibutyl ester
625-22-9

sulfuric acid dibutyl ester

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

C

dibutyl butylphosphonate
78-46-6

dibutyl butylphosphonate

Conditions
ConditionsYield
With sulfur trioxide In dichloromethane at -50℃;A 28%
B 70%
C 2%
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

rac-octan-2-ol
4128-31-8

rac-octan-2-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

Phosphoric acid dibutyl ester 1-methyl-heptyl ester

Phosphoric acid dibutyl ester 1-methyl-heptyl ester

Conditions
ConditionsYield
With lutidine; tellurium tetrachloride In dichloromethane for 3h; Ambient temperature;A 30%
B 70%
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

A

sulfuric acid dibutyl ester
625-22-9

sulfuric acid dibutyl ester

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

C

O,O,O-tributyl phosphorothioate
78-47-7

O,O,O-tributyl phosphorothioate

D

dibutyl butylphosphonate
78-46-6

dibutyl butylphosphonate

Conditions
ConditionsYield
With sulfur trioxide In dichloromethane at -50℃;A 2%
B 64%
C 22%
D 12%
butan-1-ol
71-36-3

butan-1-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

dibutyl butylphosphonate
78-46-6

dibutyl butylphosphonate

Conditions
ConditionsYield
With phosphorous; tetraethylammonium iodide In acetonitrile at 56℃; electrolysis;A 60%
B 15%
With phosphorous In acetonitrile at 56℃; Electrolysis;A 60%
B 15%
butan-1-ol
71-36-3

butan-1-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

n-butyl pyrophosphate
1474-75-5

n-butyl pyrophosphate

Conditions
ConditionsYield
With tetraethylammonium iodide; water In acetonitrile at 55℃; electrosynthesis;A 16%
B 51%
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

A

dibutyl hydrogen phosphite
1809-19-4

dibutyl hydrogen phosphite

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With HOF* CH3CN In dichloromethane at 0℃; for 0.0833333h;A 50%
B 40%
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

3-Phenyl-1-propanol
122-97-4

3-Phenyl-1-propanol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

dibutyl 3-phenylpropyl phosphate
144357-50-6

dibutyl 3-phenylpropyl phosphate

C

butyl bis(3-phenylpropyl) phosphate
144357-51-7

butyl bis(3-phenylpropyl) phosphate

Conditions
ConditionsYield
Stage #1: tri-n-butyl phosphite; 3-Phenyl-1-propanol With 1H-tetrazole In dichloromethane at 20℃; for 22h; transesterification;
Stage #2: With 3-chloro-benzenecarboperoxoic acid In dichloromethane at -78 - 20℃; for 0.5h; Oxidation;
A 21%
B 36%
C 16%
With 1H-tetrazole; 3-chloro-benzenecarboperoxoic acid multistep reaction: transesterification of trialkyl phosphites with an alcohol;
With 1H-tetrazole; 3-chloro-benzenecarboperoxoic acid 1) CH2Cl2, room temperature, 22 h; Yield given. Multistep reaction. Yields of byproduct given;
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With Cumene hydroperoxide In benzene at 20℃; Rate constant;
With dinitrogen tetraoxide im Stickstoff-Strom;
With nitrosylchloride anschliessenden Erhitzen auf 150grad;
aluminum tri-n-butoxide
3085-30-1

aluminum tri-n-butoxide

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With trichlorophosphate; benzene
dibutyl phosphate
107-66-4

dibutyl phosphate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With sodium hydroxide at 255℃;
methanol
67-56-1

methanol

tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

A

dibutyl methyl phosphate
7242-59-3

dibutyl methyl phosphate

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
With oxygen; methylene blue In acetonitrile at 20℃; for 0.166667h; Mechanism; Product distribution; Irradiation; without methanol; other reaction time; also in the presence of diphenyl sulfides or sulfoxides as trapping agents of intermediates;A n/a
B 73 % Chromat.
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

chlorofluoronitromethane
2375-33-9

chlorofluoronitromethane

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

n-Butyl chloride
109-69-3

n-Butyl chloride

C

C9H19FNO4P
114192-97-1

C9H19FNO4P

D

C9H19FNO4P
114192-96-0

C9H19FNO4P

Conditions
ConditionsYield
at 50℃; for 2h; Title compound not separated from byproducts;
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

trimethylsilyl(cumyl) peroxide
18057-16-4

trimethylsilyl(cumyl) peroxide

A

Trimethylsilanol
1066-40-6

Trimethylsilanol

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

C

Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

D

1-methyl-1-phenylethyl alcohol
617-94-7

1-methyl-1-phenylethyl alcohol

E

1-phenyl-1-methyl-1-trimethylsiloxyethane
14629-57-3

1-phenyl-1-methyl-1-trimethylsiloxyethane

F

acetophenone
98-86-2

acetophenone

Conditions
ConditionsYield
In various solvent(s) at 343℃; Rate constant; Mechanism; Product distribution; E(activ.);
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

dibutyl 3-phenylpropyl phosphate
144357-50-6

dibutyl 3-phenylpropyl phosphate

C

butyl bis(3-phenylpropyl) phosphate
144357-51-7

butyl bis(3-phenylpropyl) phosphate

Conditions
ConditionsYield
With 1H-tetrazole; 3-Phenyl-1-propanol; 3-chloro-benzenecarboperoxoic acid 1) CH2Cl2, room temperature, 22 h; Yield given. Multistep reaction. Yields of byproduct given;
tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

dibutyl chlorophosphate
819-43-2

dibutyl chlorophosphate

Conditions
ConditionsYield
With sulfuryl dichloride at 20 - 30℃;A 10 % Spectr.
B 90 % Spectr.
butan-1-ol
71-36-3

butan-1-ol

dibutyl chlorophosphate
819-43-2

dibutyl chlorophosphate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
at 60℃; Rate constant; Thermodynamic data; activation energy, activation enthalpy, other temperature (40, 50, 70, 80 deg C);
at 60℃; Rate constant; other temperature (50, 80 deg C);
butan-1-ol
71-36-3

butan-1-ol

A

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

B

dibutyl ether
142-96-1

dibutyl ether

Conditions
ConditionsYield
With phosphan; copper dichloride In N,N-dimethyl-formamide at 24.9℃; Rate constant; Thermodynamic data; ΔS(excit); reaction also with FeCl3;
With phosphan; copper dichloride In N,N-dimethyl-formamide at 59.9℃;
With oxygen; phosphan; copper(ll) bromide at 50℃; Catalytic behavior; Kinetics; Mechanism; Reagent/catalyst; Temperature;
butyl dichlorophosphate
1498-52-8

butyl dichlorophosphate

dibutyl chlorophosphate
819-43-2

dibutyl chlorophosphate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
at 20.1℃; Rate constant; Kinetics; var. molar ratios of edduct, temp., and solvents; also with HCl;
sodium butanolate
2372-45-4

sodium butanolate

dibutyl (4,6-dimethyl-2-pyrimidyl) phosphate
266356-64-3

dibutyl (4,6-dimethyl-2-pyrimidyl) phosphate

A

4,6-dimethylpirimidin-2-one
108-79-2

4,6-dimethylpirimidin-2-one

B

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Conditions
ConditionsYield
In para-xylene at 140℃; for 2h; Product distribution; phosphorylation;
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

1-bromo-butane
109-65-9

1-bromo-butane

Conditions
ConditionsYield
With salophen(tBu)AlBr In chloroform-d1 at 20℃; for 0.5 - 24h; Product distribution / selectivity;100%
With (N,N'-ethylenebis(3,5-di-tert-butylsalicylideneimine))AlBr In chloroform-d1 at 20℃; for 0.5 - 24h; Product distribution / selectivity;12%
With (N,N'-propylenebis(3,5-di-tert-butylsalicylideneimine))AlBr In chloroform-d1 at 20℃; for 0.5 - 24h; Product distribution / selectivity;7%
(N,N'-propylenebis(3,5-di-tert-butylsalicylideneimine))AlBr

(N,N'-propylenebis(3,5-di-tert-butylsalicylideneimine))AlBr

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

[(N,N'-propylenebis(3,5-di-tert-butylsalicylideneimine))AlO]2[(BuO)2PO]2
890084-07-8

[(N,N'-propylenebis(3,5-di-tert-butylsalicylideneimine))AlO]2[(BuO)2PO]2

Conditions
ConditionsYield
In toluene to soln. Al complex in toluene (BuO)3PO was added, stirred for 48 h; soln. was filtered, concd. and cooled to -30°C for several days, ppt. was filtered, washed with ether and hexane and dried in vacuo; elem. anal.;100%
1,2,3,4-tetramethylimidazolium methyl carbonate
848906-02-5

1,2,3,4-tetramethylimidazolium methyl carbonate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

1,2,3,4-tetramethylimidazolium dibutylphosphate

1,2,3,4-tetramethylimidazolium dibutylphosphate

Conditions
ConditionsYield
Stage #1: phosphoric acid tributyl ester With diethylamine at 125℃; for 70h;
Stage #2: 1,2,3,4-tetramethylimidazolium methyl carbonate In methanol
99.5%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

benzenesulfonyl cyanide
24224-99-5

benzenesulfonyl cyanide

2-(phenylsulfonyl)pyridine
24244-60-8

2-(phenylsulfonyl)pyridine

Conditions
ConditionsYield
In toluene; butan-1-ol99%
1-methyl-1H-imidazole
616-47-7

1-methyl-1H-imidazole

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

1-n-butyl-3-methylimidazolium dibutyl phosphate

1-n-butyl-3-methylimidazolium dibutyl phosphate

Conditions
ConditionsYield
at 170℃; for 5h;98%
at 150℃; for 24h;92%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

bromoacetic acid tert-butyl ester
5292-43-3

bromoacetic acid tert-butyl ester

t-butyl-2-(dibutoxyphosphoryl)acetate
103717-32-4

t-butyl-2-(dibutoxyphosphoryl)acetate

Conditions
ConditionsYield
at 90℃; for 24h; Inert atmosphere;98%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

dibutyl phosphate
107-66-4

dibutyl phosphate

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water for 2.5h; Heating;97%
With sodium hydroxide
With hydrogenchloride In hydrogenchloride byproducts: C4H9Cl; hydrolysis of TBP in concd. HCl;; hydrolytic decompn. of 18.5 % TBP in 6 days at ambient temp.;;
With HCl In hydrogenchloride byproducts: C4H9Cl; hydrolysis of TBP in concd. HCl;; hydrolytic decompn. of 18.5 % TBP in 6 days at ambient temp.;;
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

sodium acetate
127-09-3

sodium acetate

acetic acid butyl ester
123-86-4

acetic acid butyl ester

Conditions
ConditionsYield
at 200 - 220℃; for 5h;96%
Heating;
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

sodium [2-13C,2H3]acetate
85355-10-8

sodium [2-13C,2H3]acetate

butyl <2-13C,2H3>acetate
120388-51-4

butyl <2-13C,2H3>acetate

Conditions
ConditionsYield
for 5h; Heating;96%
neodymium trifluoromethanesulfonate nonahydrate

neodymium trifluoromethanesulfonate nonahydrate

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

Nd(3+)*3CF3O3S(1-)*H2O*3C12H27O4P

Nd(3+)*3CF3O3S(1-)*H2O*3C12H27O4P

Conditions
ConditionsYield
In tetrahydrofuran at 90℃; for 8h;95.1%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

4-Nitrophenylene-1,2-diamine
99-56-9

4-Nitrophenylene-1,2-diamine

4-nitro-2-benzimidazolone

4-nitro-2-benzimidazolone

Conditions
ConditionsYield
With urea In 2-methylchlorobenzene; water95%
1,2-benzisothiazolin-3-one
2634-33-5

1,2-benzisothiazolin-3-one

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

2-butyl-1,2-benzothiazolin-3-one
4299-07-4

2-butyl-1,2-benzothiazolin-3-one

Conditions
ConditionsYield
Stage #1: 1,2-benzisothiazolin-3-one With sodium methylate In methanol at 25℃; for 1h;
Stage #2: phosphoric acid tributyl ester In methanol for 4h;
95%
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

dibutyl butylphosphonate
78-46-6

dibutyl butylphosphonate

Conditions
ConditionsYield
In tetrahydrofuran; hexane at -78 - 0℃;94%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

N,N-dimethyl-aniline
121-69-7

N,N-dimethyl-aniline

dibutyl ((methyl(phenyl)amino)methyl)phosphonate

dibutyl ((methyl(phenyl)amino)methyl)phosphonate

Conditions
ConditionsYield
With sodium benzoate; tris(2,2-bipyridine)ruthenium(II) hexafluorophosphate; dichloro(dimethylglyoxime)(dimethylglyoximato)cobalt(III) In 1,2-dichloro-ethane; acetonitrile at 25℃; for 24h; Inert atmosphere; Schlenk technique; Irradiation;94%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

neodymium(III) trifluoromethanesufonate

neodymium(III) trifluoromethanesufonate

Nd(CF3SO3)3*3TBP

Nd(CF3SO3)3*3TBP

Conditions
ConditionsYield
at 120℃; for 12h; Inert atmosphere;92.5%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

2,3-oxynaphthoic acid phenylamide
92-77-3

2,3-oxynaphthoic acid phenylamide

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl 2-(dibutoxyphosphoryl)-3-[2-hydroxy-3-(phenylcarbamoyl)naphthalen-1-yl]succinate

dimethyl 2-(dibutoxyphosphoryl)-3-[2-hydroxy-3-(phenylcarbamoyl)naphthalen-1-yl]succinate

Conditions
ConditionsYield
In acetone at 20℃; for 24h;91%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

pentan-3-one
96-22-0

pentan-3-one

3-ethylheptan-3-ol
19780-41-7

3-ethylheptan-3-ol

Conditions
ConditionsYield
With lithium In tetrahydrofuran at -30℃; for 0.25h;90%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

naphthol ASD
135-61-5

naphthol ASD

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl 2-(dibutoxyphosphoryl)-3-[2-hydroxy-3-(2-methylphenylcarbamoyl)naphthalen-1-yl]succinate

dimethyl 2-(dibutoxyphosphoryl)-3-[2-hydroxy-3-(2-methylphenylcarbamoyl)naphthalen-1-yl]succinate

Conditions
ConditionsYield
In acetone at 20℃; for 24h;90%
octanol
111-87-5

octanol

phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

1-butoxyoctane
53839-23-9

1-butoxyoctane

Conditions
ConditionsYield
With iron(II) triflate In neat (no solvent) at 100℃;90%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

[2-13C]-sodium acetate
13291-89-9

[2-13C]-sodium acetate

n-Butyl<2-(13)C>acetate
121919-87-7

n-Butyl<2-(13)C>acetate

Conditions
ConditionsYield
at 210℃; for 6h;88%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

benzaldehyde
100-52-7

benzaldehyde

1-Phenyl-1-pentanol
583-03-9

1-Phenyl-1-pentanol

Conditions
ConditionsYield
With lithium In tetrahydrofuran at -30℃; for 0.25h;86%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

butyl para-toluenesulfonate
778-28-9

butyl para-toluenesulfonate

Conditions
ConditionsYield
In methyl cyclohexane for 72h; Heating;86%
phosphoric acid tributyl ester
126-73-8

phosphoric acid tributyl ester

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

toluene
108-88-3

toluene

A

butyl para-toluenesulfonate
778-28-9

butyl para-toluenesulfonate

B

1-sec-butyl-4-methylbenzene
1595-16-0

1-sec-butyl-4-methylbenzene

C

2-sec-butyltoluene
1595-06-8, 88329-15-1

2-sec-butyltoluene

Conditions
ConditionsYield
In methyl cyclohexane for 72h; Product distribution; Heating; investigate effect of molar ratio, solvent and reaction time;A 86%
B n/a
C n/a

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Diffusion, rheology, and small angle neutron scattering (SANS) data for organic phase 30 v/v % tributyl phosphate (TBP) samples containing varying amounts of water, nitric acid, and uranium or zirconium nitrate were interpreted from a colloidal perspective to give information on the types of str...detailed

Solubilities of sulfuryl fluoride in propylene carbonate, Tributyl phosphate (cas 126-73-8) and N-methylpyrrolidone10/01/2019

The solubilities of sulfuryl fluoride (SO2F2) in propylene carbonate (PC), tributyl phosphate (TBP) and N-methylpyrrolidone (NMP) was measured by isochoric saturation method at the pressure of up to 600 kPa and temperatures ranging from (293.15 to 313.15) K. Results showed that SO2F2 solubility ...detailed

Reactive thermal hazards of irradiated Tributyl phosphate (cas 126-73-8) with nitric acid09/27/2019

Red oil incidents reported worldwide are attributed to the reactive thermal reactions between Tributyl phosphate (TBP) and nitric acid. The vigor of thermal behavior may be influenced by various factors including irradiation, presence of metal nitrates etc. This work is focused to study the infl...detailed

Elucidating the biodegradation mechanism of Tributyl phosphate (cas 126-73-8) (TBP) by Sphingomonas sp. isolated from TBP-contaminated mine tailings☆09/24/2019

Tributyl phosphate (TBP) is recognised as a global environmental contaminant because of its wide use in floatation reagents, nuclear fuel reprocessing and plasticisers. This contaminant is hardly degraded by hydrolysis in the environment due to its special physicochemical properties. In this stu...detailed

Tributyl phosphate (cas 126-73-8) additive enhancing catalytic absorption of NO2 for simultaneous removal of SO2/NOx in wet desulfurization system09/09/2019

Removal of SO2 and NO emissions from coal-fired power plants have always been the focus in coal's utilization industries for which traditional wet desulfurization system hold the potential to achieve simultaneous removal of SO2/NOx. In this work, a novel liquid catalyst (tributyl phosphate,...detailed

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