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High quality Butyraldehyde supplier in China
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Butyraldehyde
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Butyraldehyde, n-Butyraldehyde, 1-Butanal
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Butyraldehyde
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123-72-8 Usage

Fire Hazard

Behavior in Fire: Vapors are heavier than air and may travel considerable distance to a source of ignition and flash back. Fires are difficult to control due to ease of reignition.

Reactivity Profile

A colorless liquid, Butyraldehyde can react with oxidizing materials. In contact with strong acids or bases Butyraldehyde will undergo an exothermic condensation reaction. The dry aldehyde may undergo some polymerization reaction. Reacts vigorously with chlorosulfonic acid, nitric acid, sulfuric acid (oleum). [Sax, 9th ed., 1996, p. 607].

Description

Butanal (N-butyraldehyde) is an organic compound which is the aldehyde derivative of butane. It appeases as a clear liquid. Butyraldehye is used mainly as an intermediate in the production of synthetic resins, rubber vulcanization accelerators, solvents, and plasticizers. It is also an intermediate for the manufacture of pharmaceuticals, crop protection products, pesticides, antioxidants, tanning auxiliaries, and perfumes. Butyraldehyde has a characteristic pungent odor and it is used as a food additive.

Uses

Chiefly in the manufacture of rubber accelerators, synthetic resins, solvents, plasticizers.

General Description

A clear liquid with a pungent odor. Flash point 20°F. Boiling point 75.7°F (Hawley's). Less dense than water and insoluble in water. Vapors heavier than air.

References

[1] George A. Burdock, Encyclopedia of Food and Color Additives, Volume 1, 2000
[2] Sunggye Lee, Methane and Its Derivatives, 1997
[3] http://www.solvents.basf.com

Health Hazard

Inhalation will cause irritation and possibly nausea, vomiting, headache, and loss of consciousness. Contact with eyes causes burns. Skin contact may be irritating.

Chemical Properties

colourless liquid with a very unpleasant smell

Air & Water Reactions

Highly flammable. Insoluble in water.

Definition

ChEBI: A member of the class of butanals that consists of propane bearing a formyl substituent at the 1-position. The parent of the class of butanals.
InChI:InChI=1/C4H8O/c1-2-3-4-5/h4H,2-3H2,1H3

123-72-8 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
USP (1084259)  Butyraldehyde  United States Pharmacopeia (USP) Reference Standard 123-72-8 1084259-3X1.2ML 4,647.24CNY Detail
Alfa Aesar (A18243)  Butyraldehyde, 98+%    123-72-8 2500ml 702.0CNY Detail
Alfa Aesar (A18243)  Butyraldehyde, 98+%    123-72-8 500ml 284.0CNY Detail
TCI America (B0751)  Butyraldehyde  >98.0%(GC) 123-72-8 500mL 175.00CNY Detail
TCI America (B0751)  Butyraldehyde  >98.0%(GC) 123-72-8 25mL 110.00CNY Detail

123-72-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name butanal

1.2 Other means of identification

Product number -
Other names n-butyl aldehyde

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only. Food additives -> Flavoring Agents
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:123-72-8 SDS

123-72-8Synthetic route

butan-1-ol
71-36-3

butan-1-ol

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With oxidase In water at 40℃; for 1.5h; Reformatsky Reaction; Enzymatic reaction;100%
With tetramethylammonium monofluorochromate(VI) In dichloromethane at 20℃; for 2h;98%
With DIQCC In dichloromethane at 20℃; for 0.5h;98%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
palladium on charcoal In hexane100%
With sodium tetrahydroborate; nickel dichloride In methanol; water at 20℃; for 0.25h;75%
With hydrogen; aluminum oxide; titanium-palladium at 100℃;
propyl cyanide
109-74-0

propyl cyanide

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With potassium carbonate In water; dimethyl sulfoxide at 60℃; for 8h; High pressure; Green chemistry;99.9%
Stage #1: propyl cyanide With diisobutylaluminium hydride In toluene at -20℃; for 0.222222h; Flow reactor;
Stage #2: With water; sodium L-tartrate In toluene at 0℃; chemoselective reaction;
64%
With Diisobutylaluminium hydride(1 M solution in tetrahydrofuran, 4.9 mL, 4.9 mmol) In dichloromethane at -78℃; for 1h;
crotonaldehyde
123-73-9

crotonaldehyde

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With hydrogen In 1,4-dioxane at 20℃; for 12h;99%
With hydrogen; potassium carbonate In acetone at 20℃; under 760.051 Torr; for 0.25h; Concentration; Reagent/catalyst; chemoselective reaction;99%
With ammonium formate; PdMCM-41 In methanol at 69.84℃; for 1.5h;88%
propene
187737-37-7

propene

carbon monoxide
201230-82-2

carbon monoxide

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With tributylphosphine; hydrogen; cobalt(II) acetate In methanol at 85℃; under 63755.1 Torr; for 30h; Irradiation;99%
With tributylphosphine; hydrogen; cobalt(II) acetate In methanol at 85℃; under 63755.1 Torr; for 30h; Product distribution; Irradiation; other educt and product, different catalysts, temperatures times pressures with and without irradiation;99%
With hydrogen; 2,7-bis(SO3Na)-4,5-bis(PPh2)-9,9-Me2-xanthene Rh complex at 100℃; under 9075.91 Torr; for 0.00472222h;95.6%
butyric acid Li-salt
21303-03-7

butyric acid Li-salt

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With 9-borabicyclo[3.3.1]nonane dimer In tetrahydrofuran for 1h; Ambient temperature;97%
dibutylamine
111-92-2

dibutylamine

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With tert.-butylhydroperoxide In methanol; decane at 60℃; for 2.75h;96%
With zinc dichromate trihydrate at 20℃; grinding; neat (no solvent); chemoselective reaction;92%
With dipotassium peroxodisulfate; sodium carbonate In water for 0.333333h; Rate constant; Irradiation; pH: 11.5, rate constant (k M-1s-1);
1,1-diacetoxybutane
29949-17-5

1,1-diacetoxybutane

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With 2,6-dicarboxypyridinium chlorochromate In acetonitrile at 20℃; for 0.25h;95%
With N-Bromosuccinimide; water; silica gel at 20℃; for 0.0666667h; neat (no solvent); chemoselective reaction;94%
With cellulose sulfonic acid In acetonitrile at 50℃; for 0.5h;87%
butanal N,N-dimethylhydrazone
10424-98-3

butanal N,N-dimethylhydrazone

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With iron(II) sulfate In chloroform at 20℃; for 0.75h; Hydrolysis;95%
trans-Crotonaldehyde
123-73-9

trans-Crotonaldehyde

A

butyraldehyde
123-72-8

butyraldehyde

B

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With (acetylacetonato)dicarbonylrhodium (l); hydrogen In water; toluene at 60℃; under 37503.8 Torr; for 22h; chemoselective reaction;A 94%
B 6%
With bis(1,5-cyclooctadiene)diiridium(I) dichloride; hydrogen In water; toluene at 60℃; under 37503.8 Torr; for 22h; chemoselective reaction;
di-n-propylamine
142-84-7

di-n-propylamine

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With 3-carboxypyridinium dichromate In acetonitrile at 20℃; for 0.0833333h;94%
propene
187737-37-7

propene

carbon monoxide
201230-82-2

carbon monoxide

A

butyraldehyde
123-72-8

butyraldehyde

B

isobutyraldehyde
78-84-2

isobutyraldehyde

Conditions
ConditionsYield
With dicarbonylacetylacetonato rhodium (I); C41H30O8P2; hydrogen In toluene at 90℃; under 3750.38 - 7500.75 Torr; for 3h; Reagent/catalyst; regioselective reaction;A 93.9%
B n/a
With tributylphosphine; hydrogen; cobalt(II) acetate In methanol at 85℃; under 60004.8 Torr; for 24h; Irradiation; Yield given. Yields of byproduct given;
With hydrogen; Dioctadecylamine; Rh-distearylamine-1,3-bis-disulfonatophenyl phosphinopropane; rhodium at 125℃; under 202516 Torr; for 2h; Yield given. Yields of byproduct given;
n-Butyl nitrite
544-16-1

n-Butyl nitrite

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether for 4h; Ambient temperature;93%
With dimethyl sulfoxide at 70℃; for 6h;87.06%
With oxygen at 24.9℃; under 700 Torr; Rate constant; Product distribution; Irradiation; further reactio pressure;20%
octane-4,5-diol
22607-10-9

octane-4,5-diol

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With tert-butylhypochlorite; lead acetate; dibenzoyl peroxide In toluene at 20℃; for 0.666667h;93%
butyric acid
107-92-6

butyric acid

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With thexylbromoborane dimethyl sulfide complex In carbon disulfide; dichloromethane at -20 - 20℃; for 1h;92%
With 9-borabicyclo[3.3.1]nonane dimer; lithium dihydrido borata-bicyclo[3.3.0]nonane In tetrahydrofuran for 1h; Ambient temperature;90%
With sodium amalgam
butyraldehyde phenylhydrazone
940-54-5

butyraldehyde phenylhydrazone

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With iron(II) sulfate In chloroform at 20℃; for 0.75h; Hydrolysis;92%
With tetraamminecopper(2+) bis(permanganate); acetic acid at 14.85℃; Kinetics; Further Variations:; Temperatures;
With acetic acid; bis-[(trifluoroacetoxy)iodo]benzene at 14.85℃; Kinetics; Further Variations:; Temperatures;
2-propyl-1,3-dithiolane
5616-57-9

2-propyl-1,3-dithiolane

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With thionyl chloride; dihydrogen peroxide In acetonitrile at 25℃; for 0.0333333h;92%
Stage #1: 2-propyl-1,3-dithiolane In ethanol at 20℃;
Stage #2: With water In ethanol at 20℃;
86%
butan-1-ol
71-36-3

butan-1-ol

A

butyraldehyde
123-72-8

butyraldehyde

B

butyric acid
107-92-6

butyric acid

Conditions
ConditionsYield
With sodium bromate; Ru2(dmnapy)Cl4 for 0.25h; Ambient temperature;A 91.5%
B 2.5%
With C30H24N2O7W; dihydrogen peroxide In water; acetonitrile for 14h; Reflux;A 67%
B 23%
With tert.-butylhydroperoxide; chromium tetra(tert-butoxide) In benzene at 20℃; for 24h;A 16%
B 53%
butyraldehyde oxime
110-69-0

butyraldehyde oxime

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With poly[4-vinyl-N,N-dichlorobenzenesulfonamide] In tetrachloromethane at 40℃; for 5h;91%
With dihydrogen peroxide; vanadyl acetylacetonate In acetone at 20℃; for 8h;75%
With cethyltrimethylammonium permanganate In dichloromethane at 4.85℃; Kinetics; Further Variations:; Temperatures;
butyryl chloride
141-75-3

butyryl chloride

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With ammonium hydroxide; formic acid In diethyl ether; chloroform for 0.5h; Ambient temperature;90%
With Pd-BaSO4; acetic acid ester Hydrogenation;
With Pd-BaSO4; diethyl ether; hydrogen
butanoic acid ethyl ester
105-54-4

butanoic acid ethyl ester

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With n-butyllithium; diisobutylaluminium hydride; tert-butyl alcohol In tetrahydrofuran; hexane at 0℃;90%
With sodium tris(diethylamino)aluminum hydride In tetrahydrofuran; dodecane at -78℃; for 6h;65%
With lithium-tris(diethylamino)hydridoaluminate In tetrahydrofuran at -78℃; for 3h; Reduction;
2-butoxytetrahydropyran
1927-68-0

2-butoxytetrahydropyran

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With bis-trinitratocerium(IV) chromate; montmorillonite K-10 In dichloromethane for 1h; Oxidation; deprotection; Heating;90%
With HMTAB; silica gel for 0.0305556h; microwave irradiation;75%
{PPN}{HCr(CO)5}
78362-94-4

{PPN}{HCr(CO)5}

4-bromobutyroyl chloride
927-58-2

4-bromobutyroyl chloride

A

bis(triphenylphosphine)nitrogen{Cr(CO)5Cl}
65650-76-2

bis(triphenylphosphine)nitrogen{Cr(CO)5Cl}

B

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
In tetrahydrofuran 2 equiv of complex, THF, 25°C;; detected by NMR and IR spectra; and GC analysis,;A n/a
B 90%
2-ethyl-4,6-dipropyl-[1,3,5]trioxane
108753-45-3

2-ethyl-4,6-dipropyl-[1,3,5]trioxane

A

(E)-2-Hexenal
6728-26-3

(E)-2-Hexenal

B

ethanol
64-17-5

ethanol

C

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With sulfuric acid for 12h; Time; Reflux;A 90%
B n/a
C n/a
1,1-dimethoxybutane
4461-87-4

1,1-dimethoxybutane

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With water; Nafion-H In acetone for 0.5h;89%
With methyl and sulfonic acid bifunctionalized silica nanoparticle In water; toluene at 50℃; for 1.25h;
sodium butyrate
156-54-7

sodium butyrate

butyraldehyde
123-72-8

butyraldehyde

Conditions
ConditionsYield
With 9-borabicyclo[3.3.1]nonane dimer In tetrahydrofuran for 0.5h; Ambient temperature;89%
acetic anhydride
108-24-7

acetic anhydride

butyraldehyde
123-72-8

butyraldehyde

1,1-diacetoxybutane
29949-17-5

1,1-diacetoxybutane

Conditions
ConditionsYield
With chloro-trimethyl-silane; zinc In 1,2-dichloro-ethane at 20℃; for 4h;100%
With tetrafluoroboric acid at 20℃; for 0.0166667h;98%
With perchloric acid; silica gel at 20℃; for 0.0166667h;96%
nitromethane
75-52-5

nitromethane

butyraldehyde
123-72-8

butyraldehyde

1-nitropentan-2-ol
2224-37-5

1-nitropentan-2-ol

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water at 0℃; for 0.166667h; Addition; Henry reaction;100%
With P(i-PrNCH2CH2)3N; magnesium sulfate for 0.666667h; Ambient temperature;98%
With rac-1',2',3',4'-tetrahydro-1,1'-bisisoquinoline In tetrahydrofuran at 20℃; for 24h; Henry Nitro Aldol Condensation;98%
butyraldehyde
123-72-8

butyraldehyde

nitrobenzene
98-95-3

nitrobenzene

N-(n-butyl)aniline
1126-78-9

N-(n-butyl)aniline

Conditions
ConditionsYield
With ammonium formate; palladium on activated charcoal In water; isopropyl alcohol at 20℃; for 0.166667h;100%
With hydrogen In ethanol at 20℃; for 6h; Green chemistry;93%
With hydrogen In methanol at 20℃; under 760.051 Torr; for 4h;92%
butyraldehyde
123-72-8

butyraldehyde

aniline
62-53-3

aniline

N-(n-butyl)aniline
1126-78-9

N-(n-butyl)aniline

Conditions
ConditionsYield
With ammonium formate; palladium on activated charcoal In water; isopropyl alcohol at 20℃; for 0.5h;100%
With 1.1 wt% Pd/NiO; hydrogen In ethanol at 25℃; under 760.051 Torr; for 10h;98%
With sodium tetrahydroborate In tetrahydrofuran at 20℃;96%
butyraldehyde
123-72-8

butyraldehyde

butyraldehyde oxime
110-69-0

butyraldehyde oxime

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium acetate In methanol; water Reflux;100%
Stage #1: butyraldehyde With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water at 2 - 20℃;
Stage #2: With hydrogenchloride In ethanol; water pH=6;
99%
With hydroxylamine hydrochloride at 78℃; for 0.0333333h; Catalytic behavior; Microwave irradiation; Green chemistry;94%
butyraldehyde
123-72-8

butyraldehyde

(E)-2-ethyl-2-hexenal
64344-45-2

(E)-2-ethyl-2-hexenal

Conditions
ConditionsYield
trimethyl(benzyl)ammonium fluoride In tetrahydrofuran for 6h; Heating;100%
With L-Tryptophan In ethyl [2]alcohol at 20℃; for 3h; Catalytic behavior; Mechanism; Reagent/catalyst; Solvent; Time; Sealed tube; Green chemistry; diastereoselective reaction;95%
With lithium perchlorate; triethylamine at 120℃; for 0.333333h; Microwave irradiation; optical yield given as %de; stereoselective reaction;90%
butyraldehyde
123-72-8

butyraldehyde

2-ethylhexenal
645-62-5

2-ethylhexenal

Conditions
ConditionsYield
With (2S)-2-{diphenyl[(trimethylsilyl)oxy]methyl}pyrrolidine; 4-nitro-phenol In benzene-d6 at 20℃; Molecular sieve;100%
With 1-(2-(1’-piperidine)ethyl)-3-imidazolium chloride zinc acetate at 120℃; for 9h; Autoclave;98.6%
With sodium hydroxide In water at 120℃; Aldol Condensation;96%
butyraldehyde
123-72-8

butyraldehyde

butyric acid
107-92-6

butyric acid

Conditions
ConditionsYield
With 2,2,2-trichloroethylperoxycarbonic acid; dihydrogen peroxide In dichloromethane Ambient temperature;100%
With C4H11FeMo6NO24(3-)*3C16H36N(1+); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 8h; Green chemistry;99%
With 4H3N*4H(1+)*CuMo6O18(OH)6(4-); water; oxygen; sodium carbonate at 50℃; under 760.051 Torr; for 12h;98%
butyraldehyde
123-72-8

butyraldehyde

butan-1-ol
71-36-3

butan-1-ol

Conditions
ConditionsYield
With Ipc2BOH In pentane at 25℃; for 6h;100%
With Ca2>2*THF In hexane at 20℃; for 0.5h; other carbonyl compounds, var. calcium tetrakis(alkoxy)alanates, solvents, times, temp.;99%
With hydrogen; aluminum oxide; copper at 150℃;99%
propargyl alcohol
107-19-7

propargyl alcohol

butyraldehyde
123-72-8

butyraldehyde

(R/S)-hept-2-yne-1,4-diol
18864-39-6

(R/S)-hept-2-yne-1,4-diol

Conditions
ConditionsYield
Stage #1: propargyl alcohol With n-butyllithium In tetrahydrofuran; hexane at -40℃; for 0.333333h; Inert atmosphere;
Stage #2: butyraldehyde With cerium(III) chloride In tetrahydrofuran; hexane Reagent/catalyst;
100%
Stage #1: propargyl alcohol With n-butyllithium In tetrahydrofuran; hexane at -40℃; for 0.5h; Inert atmosphere;
Stage #2: butyraldehyde In tetrahydrofuran; hexane Inert atmosphere;
70%
In tetrahydrofuran
pyrrolidine
123-75-1

pyrrolidine

cycl-isopropylidene malonate
2033-24-1

cycl-isopropylidene malonate

butyraldehyde
123-72-8

butyraldehyde

2,2-Dimethyl-5-(1-pyrrolidin-1-yl-butyl)-[1,3]dioxane-4,6-dione
93498-08-9

2,2-Dimethyl-5-(1-pyrrolidin-1-yl-butyl)-[1,3]dioxane-4,6-dione

Conditions
ConditionsYield
In diethyl ether for 0.166667h;100%
1,2,3-Benzotriazole
95-14-7

1,2,3-Benzotriazole

butyraldehyde
123-72-8

butyraldehyde

1-(1H-Benzotriazol-1-yl)-1-chlorobutane
111098-58-9

1-(1H-Benzotriazol-1-yl)-1-chlorobutane

Conditions
ConditionsYield
With thionyl chloride In chloroform for 0.5h; Heating;100%
With thionyl chloride
With thionyl chloride
With thionyl chloride 1.) benzene, r.t., 0.5 h, 2.) r.t. 2 h; Yield given. Multistep reaction;
1,2,3-Benzotriazole
95-14-7

1,2,3-Benzotriazole

butyraldehyde
123-72-8

butyraldehyde

1-Benzotriazol-1-yl-butan-1-ol
111507-80-3

1-Benzotriazol-1-yl-butan-1-ol

Conditions
ConditionsYield
at 25℃;100%
trimethylsilyl cyanide
7677-24-9

trimethylsilyl cyanide

butyraldehyde
123-72-8

butyraldehyde

2-Trimethylsilanyloxy-pentanenitrile
78485-85-5

2-Trimethylsilanyloxy-pentanenitrile

Conditions
ConditionsYield
With trans-{(iBu)2ATIGeiPr}2Pt(CN)2 In chloroform-d1 at 50℃; for 2h; Catalytic behavior; Schlenk technique; Glovebox;100%
With potassium carbonate at 20℃; for 1h;99%
Stage #1: butyraldehyde With scandium tris(trifluoromethanesulfonate); 1-n-butyl-3-methylimidazolium hexafluoroantimonate at 20℃; for 0.166667h;
Stage #2: trimethylsilyl cyanide at 20℃; for 0.0833333h; Inert atmosphere;
99%
methylenebis(dichlorophosphine)
28240-68-8

methylenebis(dichlorophosphine)

butyraldehyde
123-72-8

butyraldehyde

methylenebis<(1-chlorobutyl)phosphinic> dichloride

methylenebis<(1-chlorobutyl)phosphinic> dichloride

Conditions
ConditionsYield
100%
methylenebis(isopropylphosphinous chloride)
63366-52-9, 74411-41-9, 137935-80-9

methylenebis(isopropylphosphinous chloride)

butyraldehyde
123-72-8

butyraldehyde

methylenebis<(1-chlorobutyl)isopropylphosphine> dioxide

methylenebis<(1-chlorobutyl)isopropylphosphine> dioxide

Conditions
ConditionsYield
100%
α,α-adamantylidene-N-methyl nitrone
57777-70-5

α,α-adamantylidene-N-methyl nitrone

butyraldehyde
123-72-8

butyraldehyde

A

2-Adamantanone
700-58-3

2-Adamantanone

B

(Z)-N-(n-butylidene)methylamine N-oxide
44603-43-2, 127872-09-7

(Z)-N-(n-butylidene)methylamine N-oxide

Conditions
ConditionsYield
In tetrahydrofuran for 5.5h; Heating;A n/a
B 100%
Chlorodifluoromethyl n-hexyl ketone
86340-68-3

Chlorodifluoromethyl n-hexyl ketone

butyraldehyde
123-72-8

butyraldehyde

5,5-difluoro-4-hydroxy-6-dodecanone
86340-80-9

5,5-difluoro-4-hydroxy-6-dodecanone

Conditions
ConditionsYield
With copper(l) chloride; zinc In tetrahydrofuran Heating;100%
With molecular sieve; copper(l) chloride; zinc In diethyl ether for 3h; Heating;100%
With zinc; titanium tetrachloride 1) THF, 15 min, RT, 2) THF, 2 h, RT; Yield given. Multistep reaction;
butyraldehyde
123-72-8

butyraldehyde

2-hydroxyethanethiol
60-24-2

2-hydroxyethanethiol

2-propyl-1,3-oxathiolan
27001-65-6

2-propyl-1,3-oxathiolan

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether for 3h; Heating;100%
With iodine In water at 20℃; for 0.05h;99%
With C22H23O12PS4*HO4S(1-) at 25℃; for 0.5h; Neat (no solvent); chemoselective reaction;95%
butyraldehyde
123-72-8

butyraldehyde

malononitrile
109-77-3

malononitrile

butylidene-propanedinitrile
87948-15-0

butylidene-propanedinitrile

Conditions
ConditionsYield
With 1-butyl-1,4-diazabicyclo[2.2.2]octanylium hydrotetrafluoroborate In water at 20℃; for 0.0333333h; Knoevenagel condensation;100%
With poly-N-methyl-4-vinylpyridinium hydroxide-SiO2-Al2O3 composite at 20℃; for 0.916667h; Knoevenagel condensation; Neat (no solvent);98%
With 1,4-diaza-bicyclo[2.2.2]octane In water at 20℃; for 0.05h; Knoevenagel Condensation; Green chemistry;96%
butyraldehyde
123-72-8

butyraldehyde

allyl-trimethyl-silane
762-72-1

allyl-trimethyl-silane

threo-3-(trimethylsilyl)-4-hydroxy-1-heptene
88916-13-6

threo-3-(trimethylsilyl)-4-hydroxy-1-heptene

Conditions
ConditionsYield
With N,N,N,N,N,N-hexamethylphosphoric triamide; tert.-butyl lithium; ethylaluminum dichloride In tetrahydrofuran -78 deg C to r.t.;100%
With chromium dichloride; N-Bromosuccinimide 2) THF, r.t., 2-3 h; Yield given. Multistep reaction;
butyraldehyde
123-72-8

butyraldehyde

2-iodo-3-methylpropanal
20175-17-1

2-iodo-3-methylpropanal

Conditions
ConditionsYield
With iodine; mercury dichloride In dichloromethane at 20℃; for 2h; Darkness;100%
With iodine; mercury dichloride In dichloromethane for 0.75h; Ambient temperature;76%
cyclohexylmethyldiphenylphosphine oxide
88533-61-3

cyclohexylmethyldiphenylphosphine oxide

butyraldehyde
123-72-8

butyraldehyde

1-Cyclohexyl-1-diphenylphosphinoylpentan-2-ol

1-Cyclohexyl-1-diphenylphosphinoylpentan-2-ol

Conditions
ConditionsYield
With n-butyllithium100%
(S)-1-amino-2-(methoxymethyl)pyrrolidine
59983-39-0

(S)-1-amino-2-(methoxymethyl)pyrrolidine

butyraldehyde
123-72-8

butyraldehyde

(2S)-(-)-<(1E)-butylidenamino>-2-(methoxymethyl)pyrrolidine
72170-90-2

(2S)-(-)-<(1E)-butylidenamino>-2-(methoxymethyl)pyrrolidine

Conditions
ConditionsYield
at 20℃;100%
With magnesium sulfate In dichloromethane at 20℃; for 12h;90%
butyraldehyde
123-72-8

butyraldehyde

methylhydrazine
60-34-4

methylhydrazine

N-butylidene-N'-methyl-hydrazine

N-butylidene-N'-methyl-hydrazine

Conditions
ConditionsYield
With magnesium sulfate In dichloromethane Condensation;100%
(R)-1-(4-isopropyl-2-thioxothiazolidin-3-yl)ethanone
121929-87-1

(R)-1-(4-isopropyl-2-thioxothiazolidin-3-yl)ethanone

butyraldehyde
123-72-8

butyraldehyde

(R)-3-Hydroxy-1-((R)-4-isopropyl-2-thioxo-thiazolidin-3-yl)-hexan-1-one
331814-79-0

(R)-3-Hydroxy-1-((R)-4-isopropyl-2-thioxo-thiazolidin-3-yl)-hexan-1-one

Conditions
ConditionsYield
With 1-ethyl-piperidine; tin(II) trifluoromethanesulfonate In dichloromethane at -78℃; for 0.166667h;100%
butyraldehyde
123-72-8

butyraldehyde

(R)-2-methylpropane-2-sulfinamide
196929-78-9

(R)-2-methylpropane-2-sulfinamide

(RS,E)-N-butylidene-2-methylpropane-2-sulfinamide
479480-49-4

(RS,E)-N-butylidene-2-methylpropane-2-sulfinamide

Conditions
ConditionsYield
With molecular sieve; copper(II) sulfate In dichloromethane at 20℃;100%
With pyridinium p-toluenesulfonate; magnesium sulfate In dichloromethane at 20℃; for 24h;87%
With pyridinium p-toluenesulfonate; magnesium sulfate In dichloromethane at 20℃; for 20h;85%
4-iodo-2,6-dimethylaniline
4102-53-8

4-iodo-2,6-dimethylaniline

butyraldehyde
123-72-8

butyraldehyde

(4-iodo-2,6-dimethyl-phenyl)-dipropyl-amine

(4-iodo-2,6-dimethyl-phenyl)-dipropyl-amine

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid In 1,2-dichloro-ethane100%

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