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122-52-1

Basic Information
CAS No.: 122-52-1
Name: Phosphorousacid, triethyl ester
Molecular Structure:
Molecular Structure of 122-52-1 (Phosphorousacid, triethyl ester)
Formula: C6H15O3P
Molecular Weight: 166.16
Synonyms: Ethylphosphite, (EtO)3P (7CI);Ethyl phosphite, Et3PO3 (4CI);NSC 5284;Triethoxyphosphine;Tris(ethoxy)phosphine;
EINECS: 204-552-5
Density: 0.989
Melting Point: -112°C
Boiling Point: 159.8 °C at 760 mmHg
Flash Point: 54.1 °C
Solubility: slightly soluble in water
Appearance: clear colorless liquid
Hazard Symbols: HarmfulXn
Risk Codes: 10-22-36/37/38-20/22
Safety: 16-26-36
Transport Information: UN 2323 3/PG 3
PSA: 41.28000
LogP: 2.32280
Synthetic route
64-17-5

ethanol

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With ammonia; N,N-dimethyl-aniline; phosphorus trichloride In 1,2-dichloro-benzene at 10℃; pH=6 - 9; Temperature; pH-value;99.71%
With triethanolamine; phosphorus trichloride In toluene at 15 - 50℃; for 2.7h; Reagent/catalyst;96%
With Tri-n-octylamine; sodium carbonate; triethylamine; phosphorus trichloride In hexane at 5℃; for 2h; Temperature; Reagent/catalyst;83.7%
109-83-1

(2-hydroxyethyl)(methyl)amine

589-57-1

diethyl phosphorylchloridite

A

7077-42-1

2-ethoxy-3-methyl-1,3,2-oxazaphospholidine

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 10 - 15℃;A 67%
B 92%
21646-99-1

diphosphorous acid tetraethyl ester

122-51-0

orthoformic acid triethyl ester

A

65600-72-8

ethyl P-(diethoxymethyl)phosphonite

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With boron trifluoride diethyl etherate at 20℃; for 3h; argon atmosphere;A 89%
B 69%
64-17-5

ethanol

96529-96-3

diethoxyphosphino ethyl cyclohexylphosphonate

A

4546-15-0

ethyl hydrogen cyclohexylphosphonate

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
In benzene for 1h; Heating; argon atmosphere;A 0.93 g
B 87%
64-17-5

ethanol

127088-86-2

S-(2-cyanoethyl) N,N,N',N'-tetraisopropylthiophosphorodiamidite

A

Thiophosphorous acid S-(2-cyano-ethyl) ester O,O'-diethyl ester

B

C11H23N2OPS

C

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With 1H-tetrazole In acetonitrile at 25℃; for 0.166667h;A 5%
B 85%
C 7%
With 1H-tetrazole In acetonitrile at 25℃; for 0.166667h;A 22%
B 18%
C 60%
589-57-1

diethyl phosphorylchloridite

7077-42-1

2-ethoxy-3-methyl-1,3,2-oxazaphospholidine

A

22082-71-9

2-chloro-3-methyl-1,3,2-oxazaphospholidine

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 100℃; for 1h;A 83%
B 57%
1498-42-6

phosphorodichloridous acid ethyl ester

64-17-5

ethanol

A

589-57-1

diethyl phosphorylchloridite

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With triethylamine In tolueneA 82%
B 18%
64-17-5

ethanol

79948-06-4

O,O-diethyl-N-butyl-N-isobutenyl aminophosphite

A

6898-75-5

N-isobutylidenebutylamine

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 20℃; for 1440h;A 72.5%
B 81.7%
79948-06-4

O,O-diethyl-N-butyl-N-isobutenyl aminophosphite

A

6898-75-5

N-isobutylidenebutylamine

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With ethanol at 20℃; for 1440h; further reagents;A 72.5%
B 81.7%
64-17-5

ethanol

73868-59-4

2-diethylamido-4-oxo-1,3-dimethyl-1,3,2-diazaphosphorinane

122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 70℃; for 3h;81%
58068-57-8

diethyl acetyl(trimethylsilyl)phosphoramidite

A

13435-12-6

N-Trimethylsilylacetamide

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With ethanol for 48h;A 76%
B 60%
17507-52-7

O,O-diethyl (triethoxymethyl)phosphonate

A

122-52-1

triethyl phosphite

B

105-58-8

Diethyl carbonate

Conditions
ConditionsYield
With boron trifluoride diethyl etherate under 60 Torr; Heating;A 75%
B n/a
64-17-5

ethanol

10072-02-3

2-ethoxy-1,3,2-benzodioxaphosphole

122-52-1

triethyl phosphite

Conditions
ConditionsYield
for 72h; Ambient temperature;73%
at 20℃; for 2h;30 % Spectr.
589-57-1

diethyl phosphorylchloridite

A

141968-99-2

2-chloro-1,3-dibutyl-4,5-dimethyl-1,3,2-diazaphospholine

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With 2-chloro-1,3-dibutyl-4,5-dimethyl-1,3,2-diazaphospholine In benzene at 10℃; for 1h;A 61.8%
B 65.3%
77697-54-2

(4-pentenyl)-phosphonic acid diethyl ester

122-52-1

triethyl phosphite

Conditions
ConditionsYield
Stage #1: (4-pentenyl)-phosphonic acid diethyl ester With n-butyllithium; chloro-trimethyl-silane; diisopropylamine In tetrahydrofuran; hexane at -78 - 20℃; Inert atmosphere; Large scale reaction;
Stage #2: With iodine In tetrahydrofuran; hexane at -78 - 0℃; Inert atmosphere;
63%
21646-99-1

diphosphorous acid tetraethyl ester

429-06-1

N,N,N,N-tetraethylammonium tetrafluoroborate

A

371-22-2

fluorophosphoric acid diethyl ester

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 200 - 220℃;A 60%
B 55%
21646-99-1

diphosphorous acid tetraethyl ester

A

371-22-2

fluorophosphoric acid diethyl ester

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With N,N,N,N-tetraethylammonium tetrafluoroborate at 200 - 220℃;A 60%
B 55%
589-57-1

diethyl phosphorylchloridite

1,2-Bis-[(E)-methylimino]-cyclohexane

A

1,3-dimethyl-2-ethoxy-5,6-dihydro-1,3,2-diazaphosphindane

B

122-52-1

triethyl phosphite

C

triethylamine hydrochloride

triethylamine hydrochloride

Conditions
ConditionsYield
With triethylamine In diethyl ether at 15℃; for 12h;A 60%
B n/a
C n/a
576-22-7

2-Bromo-m-xylene

107-30-2

chloromethyl methyl ether

A

79539-15-4

2,6-dimethyl-3,5-bis(chloromethyl)bromobenzene

B

bis(3-bromo-5-chloromethyl-2,4-dimethylphenyl)methane

C

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With sulfuric acid for 3h; Heating;A n/a
B 57%
C n/a
64-17-5

ethanol

121883-63-4

S-acetyl O,O-diethyl phosphorothioite

122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 0℃;55%
589-57-1

diethyl phosphorylchloridite

120-80-9

benzene-1,2-diol

A

10072-02-3

2-ethoxy-1,3,2-benzodioxaphosphole

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With triethylamine In benzene at 10 - 15℃; for 10h;A 50%
B 41%
589-57-1

diethyl phosphorylchloridite

137-07-5

2-amino-benzenethiol

A

122-52-1

triethyl phosphite

B

62290-28-2

2-ethoxy-2,3-dihydro-1,3,2-benzothiazaphosphole

Conditions
ConditionsYield
With triethylamine In diethyl ether at 0 - 5℃;A 47%
B 34%
589-57-1

diethyl phosphorylchloridite

21749-63-3

2-(methylamino)benzenethiol

A

2-ethoxy-2,3-dihydro-3-methyl-1,3,2-benzothiazaphosphole

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With triethylamine In benzene at 10℃;A 42%
B 44%
688-62-0

triethyl trithiophosphite

141-52-6

sodium ethanolate

A

762-04-9, 123-22-8

Diethyl phosphonate

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
In ethanol for 2h; Heating;A 1.2 g
B 42%
589-57-1

diethyl phosphorylchloridite

1,2-Bis-[(E)-butylimino]-cyclohexane

A

1,3-dibutyl-2-ethoxy-5,6-dihydro-1,3,2-diazaphosphindane

B

122-52-1

triethyl phosphite

C

triethylamine hydrochloride

triethylamine hydrochloride

Conditions
ConditionsYield
With triethylamine In benzene at 10 - 15℃;A 42%
B n/a
C n/a
589-57-1

diethyl phosphorylchloridite

95-55-6

2-amino-phenol

A

7051-22-1

2-ethoxy-2,3-dihydro-1,3,2-benzoxazaphosphole

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With triethylamine In diethyl ether at 5 - 10℃; for 12h;A 40%
B 41%
With triethylamine In diethyl ether overnight;A 23%
B 29%
64-17-5

ethanol

7051-22-1

2-ethoxy-2,3-dihydro-1,3,2-benzoxazaphosphole

A

95-55-6

2-amino-phenol

B

67528-50-1, 16841-91-1

2',3'-dihydro-3H-2λ5-[2,2']spirobi(benzo[1,3,2]oxazaphosphole)

C

122-52-1

triethyl phosphite

Conditions
ConditionsYield
for 3h; Ambient temperature;A 38%
B 25%
C 33%
589-57-1

diethyl phosphorylchloridite

627-70-3

propan-2-one azine

A

diethyl [1-methyl-1-(isopropylidenehydrazino)ethyl]phosphonate

B

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With triethyl phosphite for 720h; Ambient temperature;A 3.3 g
B 30%
589-57-1

diethyl phosphorylchloridite

95-54-5

1,2-diamino-benzene

A

122-52-1

triethyl phosphite

B

58825-45-9

2-ethoxy-2,3-dihydro-1H-1,3,2-benzodiazaphosphole

Conditions
ConditionsYield
With triethylamine In diethyl ether at 0 - 5℃;A 21%
B n/a
589-57-1

diethyl phosphorylchloridite

120-80-9

benzene-1,2-diol

A

181-85-1

2,2-'spirobi(1,3,2-benzodioxaphosphole)

B

10072-02-3

2-ethoxy-1,3,2-benzodioxaphosphole

C

762-04-9

phosphonic acid diethyl ester

D

122-52-1

triethyl phosphite

Conditions
ConditionsYield
With triethylamine In diethyl ether at -15 - -10℃;A 9%
B 7%
C 14%
D 18%
105-36-2

ethyl bromoacetate

122-52-1

triethyl phosphite

867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

Conditions
ConditionsYield
at 60 - 80℃; for 0.5h; Arbusov reaction;100%
at 150℃; for 3h;99%
for 0.0333333h; Michaelis-Arbuzov reaction; microwave irradiation;98%
79-22-1

methyl chloroformate

122-52-1

triethyl phosphite

41760-84-3

diethyl methoxycarbonylphosphonate

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃;100%
at 120℃;
for 0.166667h; Arbuzov reaction;
17201-43-3

4-cyanobenzyl bromide

122-52-1

triethyl phosphite

1552-41-6

diethyl [(4-cyanophenyl)methyl]phosphonate

Conditions
ConditionsYield
at 130℃; Arbuzov reaction;100%
at 120℃; for 8h;97%
at 160 - 170℃; for 8h;97%
86-52-2

1-Chloromethylnaphthalene

122-52-1

triethyl phosphite

53575-08-9

diethyl 1-naphthylmethylphosphonate

Conditions
ConditionsYield
at 160℃; for 7h; Reflux;100%
at 150℃;
598-31-2

1-bromoacetone

122-52-1

triethyl phosphite

1067-71-6

Diethyl (2-oxopropyl)phosphonate

Conditions
ConditionsYield
for 2h; Reflux;100%
at 90℃; for 10h;68%
at 90 - 160℃;
615-96-3

Ethyl 2-bromohexanoate

122-52-1

triethyl phosphite

4134-14-9

ethyl 2-(diethoxyphosphoryl)hexanoate

Conditions
ConditionsYield
at 130℃; for 10h; Sealed tube;100%
at 120℃; for 24h;98%
Heating;80%
5445-17-0

Methyl 2-bromopropionate

122-52-1

triethyl phosphite

29668-62-0

methyl 2-(diethoxyphosphoryl)propanoate

Conditions
ConditionsYield
In neat (no solvent) at 110℃;100%
2973-19-5

2-hydroxy-5-nitrobenzyl chloride

122-52-1

triethyl phosphite

51917-76-1

<(2-hydroxy-5-nitrophenyl)methyl>phosphonic acid diethyl ester

Conditions
ConditionsYield
at 60℃; for 4h;100%
at 200℃;
122-52-1

triethyl phosphite

2651-89-0

O,O,O-triethylselenophosphate

Conditions
ConditionsYield
With Triphenylphosphine selenide In chloroform for 0.0833333h;100%
With selenium In benzene for 24h; Ambient temperature;92%
With selenium
96-32-2

bromoacetic acid methyl ester

122-52-1

triethyl phosphite

1067-74-9

Methyl diethylphosphonoacetate

Conditions
ConditionsYield
at 50℃; for 2h;100%
for 8h; Inert atmosphere; Heating;89%
at 80 - 130℃;88%
122-52-1

triethyl phosphite

31460-03-4

tert-butyl α-(diethoxyphosphinyl)propionate

Conditions
ConditionsYield
at 110℃; for 16h;100%
37746-78-4

4-bromo-trans-crotonic acid ethyl ester

122-52-1

triethyl phosphite

42516-28-9

ethyl (2E)-4-(diethoxyphosphoryl)crotonate

Conditions
ConditionsYield
for 2h; Reflux;100%
at 120 - 130℃; for 1h;88%
In tetrahydrofuran at 100℃; for 4h;86.4%
5292-43-3

bromoacetic acid tert-butyl ester

122-52-1

triethyl phosphite

27784-76-5

tert-butyl diethylphosphonoacetate

Conditions
ConditionsYield
at 65℃; for 2h; Substitution; Michaelis-Arbuzov reaction;100%
at 50℃; for 2h;100%
at 90℃; for 6h; Inert atmosphere;97%
34006-60-5

ethyl 2-chloro-2-ethoxyacetate

122-52-1

triethyl phosphite

13676-06-7

ethyl 2-ethoxy-2-(diethylphosphono)acetate

Conditions
ConditionsYield
at 50℃; for 3h;100%
at 150℃; for 3 - 5h; Product distribution / selectivity; Neat (no solvent);100%
at 150℃; for 5h;100%
13157-96-5

methyl 2-chloro-2-methoxyacetate

122-52-1

triethyl phosphite

16141-79-0

diethyl (methoxy(methoxycarbonyl)methyl)phosphonate

Conditions
ConditionsYield
at 150℃; for 3h;100%
With sodium iodide at 190℃; for 2h;55%
553-94-6

4-bromo-m-xylene

122-52-1

triethyl phosphite

58983-18-9

(2,5-dimethylphenyl)diethyl phosphonate

Conditions
ConditionsYield
With nickel dibromide at 160℃; for 2h; Inert atmosphere;100%
Irradiation;
16832-20-5, 32815-12-6, 55284-67-8

(1R,2S,5R)-menthol bromoacetate

122-52-1

triethyl phosphite

141540-20-7

(diethoxy-phosphoryl)-acetic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester

Conditions
ConditionsYield
at 100℃; for 3h; Arbuzov Reaction; Inert atmosphere;100%
92%
765-50-4

2-Chloromethylthiophene

122-52-1

triethyl phosphite

2026-42-8

diethyl thien-2-ylmethylphosphonate

Conditions
ConditionsYield
at 140℃; for 3h;100%
at 120 - 145℃; for 4.5h;99%
at 160℃; for 7h; Michaelis-Arbuzov condensation;97%
40032-76-6

2-bromo-3-(bromomethyl)thiophene

122-52-1

triethyl phosphite

40033-08-7

diethyl (2-bromothiophen-3-yl)methylphosphonate

Conditions
ConditionsYield
at 140℃;100%
at 160℃; for 4h;87%
at 100℃; for 2h;30.4%
for 5h; Heating;12 g
100-39-0

benzyl bromide

122-52-1

triethyl phosphite

1080-32-6

O,O-diethyl benzylphosphonate

Conditions
ConditionsYield
at 130℃; for 16h; Sealed tube;100%
at 150℃; for 6h;98%
for 0.00833333h; Heating; microwave irradiation;97%
18880-00-7

1-(bromomethyl)-4-(1,1-dimethylethyl)benzene

122-52-1

triethyl phosphite

118578-89-5

diethyl (4-tert-butyl)benzylphosphonate

Conditions
ConditionsYield
at 120℃; for 12h;100%
at 150℃; for 6h;83%
at 140℃; for 1h; Arbuzov Reaction;
94-41-7

benzalacetophenone

122-52-1

triethyl phosphite

195324-59-5

3-(diethoxyphosphoryl)-1,3-diphenylpropan-1-one

Conditions
ConditionsYield
With acetic acid100%
5320-95-6

2-(bromomethyl)-3-methyl-quinoxaline

122-52-1

triethyl phosphite

5559-64-8

Diethyl<(3-methylquinoxaline-2-yl)methyl>phosphonate

Conditions
ConditionsYield
at 140℃; for 3h;100%
3958-60-9

2-nitrophenylmethyl bromide

122-52-1

triethyl phosphite

4914-12-9

diethyl 2-nitrobenzylphosphonate

Conditions
ConditionsYield
In toluene for 24h; Inert atmosphere; Reflux;100%
at 110℃;97%
In toluene at 120℃; for 24h; Inert atmosphere;97%
956-02-5

4'-chlorochalcone

122-52-1

triethyl phosphite

diethyl 3-(4-chlorophenyl)-3-oxo-1-phenylpropylphosphonate

Conditions
ConditionsYield
With acetic acid100%
622-37-7

Phenyl azide

122-52-1

triethyl phosphite

2397-47-9

triethyl N-phenylphosphorimidate

Conditions
ConditionsYield
In toluene at 100℃; for 3h; Condensation;100%
In tetrahydrofuran at 20℃; Kinetics; Rate constant; ΔS(excit.); Ea;
In diethyl ether at 20℃;
In benzene for 2h; Heating;
3958-57-4

1-bromomethyl-3-nitrobenzene

122-52-1

triethyl phosphite

104097-04-3

1-(diethoxyphosphorylmethyl)-3-nitro-benzene

Conditions
ConditionsYield
at 140℃; for 2h;100%
at 140℃; for 2h;100%
at 150℃; for 16h;91%
1711-02-0

4-iodobenzoic acid chloride

122-52-1

triethyl phosphite

156017-40-2

diethyl (4-iodobenzoyl)phosphonate

Conditions
ConditionsYield
In toluene for 3h; Ambient temperature;100%
956-04-7

3-(4-chlorophenyl)-1-phenylprop-2-en-1-one

122-52-1

triethyl phosphite

diethyl (1-(4-chlorophenyl)-3-oxo-3-phenylpropyl)phosphonate

Conditions
ConditionsYield
With acetic acid100%
61203-71-2

ethyl (1-13C)-bromoacetate

122-52-1

triethyl phosphite

61203-67-6

ethyl (diethoxyphosphono)-[1-13C]-acetate

Conditions
ConditionsYield
at 180℃; for 0.5h;100%
at 120℃; for 2h;98.5%
at 130 - 140℃; for 3h;91%
Arbusov reaction;90%
at 140℃; for 3h; Inert atmosphere;90%
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    122-52-1

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    Triethyl Phosphite(TEP)

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    Product: Triethyl Phosphite(TEP) Identification: Chemical Name: Triethyl Phosphite CAS NO.:122-52-1 Molecular formula:C6H15O3P Technical Index: Appearance and odor: colorless transparent liquid, special bitter taste Triethyl phosphate%

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  • Triethyl phosphite

  • Casno:

    122-52-1

    Triethyl phosphite

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    English Name: Triethyl phosphate CAS No.: 122-52-1 Molecular formula: C6H15O3P Molecular Weight: 166.16 Appearance… Appearance:colorless transparent liquid with special odor. Storage:- Package:200Liter/Plastic drum Application:as pesticide i

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  • Casno:

    122-52-1

    Amadis Chemical offer CAS#122-52-1;CAT#A804911

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  • Triethyl phosphite

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    122-52-1

    Triethyl phosphite

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  • Triethyl phosphite 122-52-1

  • Casno:

    122-52-1

    Triethyl phosphite 122-52-1

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 0.0-0.0/Metric Ton

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    122-52-1

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    Wuhan Monad Medicine Tech Co.,LTD is a research and development, production, sales in one high-tech company, own about 100 kinds of products, can provide about more than 30000 kind

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    122-52-1

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    Known for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers. Our advantages:1, High quality with competitive price:1) Standard:BP/USP/EP/Enterprise standard2) All Purity≥99%3) We are manufacturer

    Shaanxi Mingqi Chemical Co., Ltd is committed to the development of import and export trade in the production, operation and plant extracts of pharmaceutical raw materials and inte

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    122-52-1

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    122-52-1

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    Product Name: Triethyl phosphite Synonyms: TRIETHYLPHOSPHILE;triethyl phosphite94%;TRIETHYLPHOSPHITE FOR SYNTHESIS;TRIETHYL PHOSPHITE HP;Phosphorous acidethyl ester three;Phosphorous acid triethyl;P(EtO)3;P(OEt)3 CAS: 122-52-1 MF: C6H15O3P

    Wuhan Zenuo Biopharmaceutical Technology Co., Ltd. is a global biopharmaceutical and chemical enterprise, mainly engaged in the customized synthesis, large-scale production and sal

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  • Triethyl phosphite.

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    122-52-1

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    Henan Coreychem co., LTD focus on high complex new type intermediates and fine chemical custom synthesis,scale-up production and rare chemicals trade.Product category including Intermediates&API,Catalyst and Electronic Chemicals.Covering 811 sq

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  • Triethylphosphite

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    122-52-1

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    122-52-1

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    Business Type:Lab/Research institutions

    Tel:+86-571-87396432

    Address:No.200 Zhenhua Rd.Xihu Industrial Park, Hangzhou 310030, China

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    HangYu Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. HangYu Chemical consis

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    China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

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    Address:Room1701, Tianxing Building,Licheng district, jinan, Shandong, China

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    Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i

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    Business Type:Lab/Research institutions

    Tel:+86-371-65511936

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    122-52-1

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    122-52-1

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    122-52-1

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    Business Type:Lab/Research institutions

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    Kono Chem Co.,Ltd is a leading producer of standardized herbal extracts, natural active ingredients and APIs for pharmaceutical, health food and cosmetic industries. Annually, mo

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    122-52-1

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    Business Type:Trading Company

    Tel:86-571-86465881,86-571-87157530,86-571-88025800

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    Business Type:Other

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    122-52-1

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    122-52-1

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Specification

The Triethyl phosphite is an organic compound with the formula C6H15O3P. The IUPAC name of this chemical is triethyl phosphite. With the CAS registry number 122-52-1, it is also named as Ethyl phosphite. The product's categories are Phosphonate Chemicals; Phosphite Ligands; Catalysis and Inorganic Chemistry; Phosphorus Compounds. Besides, it is a clear colorless liquid, which should be stored in cool and ventilated place.

The Triethyl phosphite is used as a plastic stabilizer and plasticizer, and also used as medicine, pesticide intermediates. It is used to produce analgesic pizotifen, viagra and other pesticides fenitrothion, and also used as plasticizers, stabilizers, lubricants and grease additives.

Physical properties about Triethyl phosphite are: (1)ACD/LogP: 0.67; (2)ACD/LogD (pH 5.5): 0.67; (3)ACD/LogD (pH 7.4): 0.67; (4)ACD/BCF (pH 5.5): 1.89; (5)ACD/BCF (pH 7.4): 1.89; (6)ACD/KOC (pH 5.5): 54.86; (7)ACD/KOC (pH 7.4): 54.86; (8)#H bond acceptors: 3; (9)#Freely Rotating Bonds: 6; (10)Polar Surface Area: 41.28 Å2; (11)Flash Point: 54.1 °C; (12)Enthalpy of Vaporization: 38.01 kJ/mol; (13)Boiling Point: 159.8 °C at 760 mmHg; (14)Vapour Pressure: 3.19 mmHg at 25°C.

Preparation: this chemical can be prepared by ethanol, phosphorus trichloride and ammonia. This reaction will need reagent Xylene.

When you are using this chemical, please be cautious about it as the following:
It is flammable and harmful by inhalation and if swallowed. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Besides, this chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing and keep away from sources of ignition - No smoking.

You can still convert the following datas into molecular structure:
(1)SMILES: O(P(OCC)OCC)CC
(2)InChI: InChI=1/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3
(3)InChIKey: BDZBKCUKTQZUTL-UHFFFAOYAP
(4)Std. InChI: InChI=1S/C6H15O3P/c1-4-7-10(8-5-2)9-6-3/h4-6H2,1-3H3
(5)Std. InChIKey: BDZBKCUKTQZUTL-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LC50 inhalation 6203mg/m3/6H (6203mg/m3) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
mouse LD intraperitoneal > 500mg/kg (500mg/kg)   "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 5, Pg. 286, 1953.
mouse LD50 oral 3720mg/kg (3720mg/kg) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
rabbit LD50 skin 2800mg/kg (2800mg/kg)   Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
rat LC50 inhalation 11063mg/m3/6H (11063mg/m3) LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

GASTROINTESTINAL: CHANGES IN STRUCTURE OR FUNCTION OF SALIVARY GLANDS
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.
rat LD50 oral 1840mg/kg (1840mg/kg) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY STIMULATION
Acute Toxicity Data. Journal of the American College of Toxicology, Part B. Vol. 1, Pg. 218, 1992.