Product Name

  • Name

    Triethyl phosphite

  • EINECS 204-552-5
  • CAS No. 122-52-1
  • Article Data127
  • CAS DataBase
  • Density 0.989
  • Solubility slightly soluble in water
  • Melting Point -112°C
  • Formula C6H15O3P
  • Boiling Point 159.8 °C at 760 mmHg
  • Molecular Weight 166.157
  • Flash Point 54.1 °C
  • Transport Information UN 2323 3/PG 3
  • Appearance clear colorless liquid
  • Safety 16-26-36
  • Risk Codes 10-22-36/37/38-20/22
  • Molecular Structure Molecular Structure of 122-52-1 (Triethyl phosphite)
  • Hazard Symbols HarmfulXn
  • Synonyms Ethylphosphite, (EtO)3P (7CI);Ethyl phosphite, Et3PO3 (4CI);NSC 5284;Triethoxyphosphine;Tris(ethoxy)phosphine;
  • PSA 41.28000
  • LogP 2.32280

Synthetic route

ethanol
64-17-5

ethanol

triethyl phosphite
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%
(2-hydroxyethyl)(methyl)amine
109-83-1

(2-hydroxyethyl)(methyl)amine

diethyl phosphorylchloridite
589-57-1

diethyl phosphorylchloridite

A

2-ethoxy-3-methyl-1,3,2-oxazaphospholidine
7077-42-1

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

B

triethyl phosphite
122-52-1

triethyl phosphite

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

diphosphorous acid tetraethyl ester

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

A

ethyl P-(diethoxymethyl)phosphonite
65600-72-8

ethyl P-(diethoxymethyl)phosphonite

B

triethyl phosphite
122-52-1

triethyl phosphite

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

ethanol

diethoxyphosphino ethyl cyclohexylphosphonate
96529-96-3

diethoxyphosphino ethyl cyclohexylphosphonate

A

ethyl hydrogen cyclohexylphosphonate
4546-15-0

ethyl hydrogen cyclohexylphosphonate

B

triethyl phosphite
122-52-1

triethyl phosphite

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

ethanol

S-(2-cyanoethyl) N,N,N',N'-tetraisopropylthiophosphorodiamidite
127088-86-2

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

A

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

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

B

C11H23N2OPS

C11H23N2OPS

C

triethyl phosphite
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%
diethyl phosphorylchloridite
589-57-1

diethyl phosphorylchloridite

2-ethoxy-3-methyl-1,3,2-oxazaphospholidine
7077-42-1

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

A

2-chloro-3-methyl-1,3,2-oxazaphospholidine
22082-71-9

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

B

triethyl phosphite
122-52-1

triethyl phosphite

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

phosphorodichloridous acid ethyl ester

ethanol
64-17-5

ethanol

A

diethyl phosphorylchloridite
589-57-1

diethyl phosphorylchloridite

B

triethyl phosphite
122-52-1

triethyl phosphite

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

ethanol

O,O-diethyl-N-butyl-N-isobutenyl aminophosphite
79948-06-4

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

A

N-isobutylidenebutylamine
6898-75-5

N-isobutylidenebutylamine

B

triethyl phosphite
122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 20℃; for 1440h;A 72.5%
B 81.7%
O,O-diethyl-N-butyl-N-isobutenyl aminophosphite
79948-06-4

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

A

N-isobutylidenebutylamine
6898-75-5

N-isobutylidenebutylamine

B

triethyl phosphite
122-52-1

triethyl phosphite

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

ethanol

2-diethylamido-4-oxo-1,3-dimethyl-1,3,2-diazaphosphorinane
73868-59-4

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

triethyl phosphite
122-52-1

triethyl phosphite

Conditions
ConditionsYield
at 70℃; for 3h;81%
diethyl acetyl(trimethylsilyl)phosphoramidite
58068-57-8

diethyl acetyl(trimethylsilyl)phosphoramidite

A

N-Trimethylsilylacetamide
13435-12-6

N-Trimethylsilylacetamide

B

triethyl phosphite
122-52-1

triethyl phosphite

Conditions
ConditionsYield
With ethanol for 48h;A 76%
B 60%
O,O-diethyl (triethoxymethyl)phosphonate
17507-52-7

O,O-diethyl (triethoxymethyl)phosphonate

A

triethyl phosphite
122-52-1

triethyl phosphite

B

Diethyl carbonate
105-58-8

Diethyl carbonate

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

ethanol

2-ethoxy-1,3,2-benzodioxaphosphole
10072-02-3

2-ethoxy-1,3,2-benzodioxaphosphole

triethyl phosphite
122-52-1

triethyl phosphite

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

diethyl phosphorylchloridite

A

2-chloro-1,3-dibutyl-4,5-dimethyl-1,3,2-diazaphospholine
141968-99-2

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

B

triethyl phosphite
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%
(4-pentenyl)-phosphonic acid diethyl ester
77697-54-2

(4-pentenyl)-phosphonic acid diethyl ester

triethyl phosphite
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%
diphosphorous acid tetraethyl ester
21646-99-1

diphosphorous acid tetraethyl ester

N,N,N,N-tetraethylammonium tetrafluoroborate
429-06-1

N,N,N,N-tetraethylammonium tetrafluoroborate

A

fluorophosphoric acid diethyl ester
371-22-2

fluorophosphoric acid diethyl ester

B

triethyl phosphite
122-52-1

triethyl phosphite

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

diphosphorous acid tetraethyl ester

A

fluorophosphoric acid diethyl ester
371-22-2

fluorophosphoric acid diethyl ester

B

triethyl phosphite
122-52-1

triethyl phosphite

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

diethyl phosphorylchloridite

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

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

A

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

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

B

triethyl phosphite
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
2-Bromo-m-xylene
576-22-7

2-Bromo-m-xylene

chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

A

2,6-dimethyl-3,5-bis(chloromethyl)bromobenzene
79539-15-4

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

B

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

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

C

triethyl phosphite
122-52-1

triethyl phosphite

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

ethanol

S-acetyl O,O-diethyl phosphorothioite
121883-63-4

S-acetyl O,O-diethyl phosphorothioite

triethyl phosphite
122-52-1

triethyl phosphite

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

diethyl phosphorylchloridite

benzene-1,2-diol
120-80-9

benzene-1,2-diol

A

2-ethoxy-1,3,2-benzodioxaphosphole
10072-02-3

2-ethoxy-1,3,2-benzodioxaphosphole

B

triethyl phosphite
122-52-1

triethyl phosphite

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

diethyl phosphorylchloridite

2-amino-benzenethiol
137-07-5

2-amino-benzenethiol

A

triethyl phosphite
122-52-1

triethyl phosphite

B

2-ethoxy-2,3-dihydro-1,3,2-benzothiazaphosphole
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%
diethyl phosphorylchloridite
589-57-1

diethyl phosphorylchloridite

2-(methylamino)benzenethiol
21749-63-3

2-(methylamino)benzenethiol

A

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

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

B

triethyl phosphite
122-52-1

triethyl phosphite

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

triethyl trithiophosphite

sodium ethanolate
141-52-6

sodium ethanolate

A

Diethyl phosphonate
762-04-9, 123-22-8

Diethyl phosphonate

B

triethyl phosphite
122-52-1

triethyl phosphite

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

diethyl phosphorylchloridite

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

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

A

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

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

B

triethyl phosphite
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
diethyl phosphorylchloridite
589-57-1

diethyl phosphorylchloridite

2-amino-phenol
95-55-6

2-amino-phenol

A

2-ethoxy-2,3-dihydro-1,3,2-benzoxazaphosphole
7051-22-1

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

B

triethyl phosphite
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%
ethanol
64-17-5

ethanol

2-ethoxy-2,3-dihydro-1,3,2-benzoxazaphosphole
7051-22-1

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

A

2-amino-phenol
95-55-6

2-amino-phenol

B

2',3'-dihydro-3H-2λ5-[2,2']spirobi(benzo[1,3,2]oxazaphosphole)
67528-50-1, 16841-91-1

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

C

triethyl phosphite
122-52-1

triethyl phosphite

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

diethyl phosphorylchloridite

propan-2-one azine
627-70-3

propan-2-one azine

A

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

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

B

triethyl phosphite
122-52-1

triethyl phosphite

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

diethyl phosphorylchloridite

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

A

triethyl phosphite
122-52-1

triethyl phosphite

B

2-ethoxy-2,3-dihydro-1H-1,3,2-benzodiazaphosphole
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
diethyl phosphorylchloridite
589-57-1

diethyl phosphorylchloridite

benzene-1,2-diol
120-80-9

benzene-1,2-diol

A

2,2-'spirobi(1,3,2-benzodioxaphosphole)
181-85-1

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

B

2-ethoxy-1,3,2-benzodioxaphosphole
10072-02-3

2-ethoxy-1,3,2-benzodioxaphosphole

C

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

D

triethyl phosphite
122-52-1

triethyl phosphite

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

ethyl bromoacetate

triethyl phosphite
122-52-1

triethyl phosphite

diethoxyphosphoryl-acetic acid ethyl ester
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%
methyl chloroformate
79-22-1

methyl chloroformate

triethyl phosphite
122-52-1

triethyl phosphite

diethyl methoxycarbonylphosphonate
41760-84-3

diethyl methoxycarbonylphosphonate

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

4-cyanobenzyl bromide

triethyl phosphite
122-52-1

triethyl phosphite

diethyl [(4-cyanophenyl)methyl]phosphonate
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%
1-Chloromethylnaphthalene
86-52-2

1-Chloromethylnaphthalene

triethyl phosphite
122-52-1

triethyl phosphite

diethyl 1-naphthylmethylphosphonate
53575-08-9

diethyl 1-naphthylmethylphosphonate

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

1-bromoacetone

triethyl phosphite
122-52-1

triethyl phosphite

Diethyl (2-oxopropyl)phosphonate
1067-71-6

Diethyl (2-oxopropyl)phosphonate

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

Ethyl 2-bromohexanoate

triethyl phosphite
122-52-1

triethyl phosphite

ethyl 2-(diethoxyphosphoryl)hexanoate
4134-14-9

ethyl 2-(diethoxyphosphoryl)hexanoate

Conditions
ConditionsYield
at 130℃; for 10h; Sealed tube;100%
at 120℃; for 24h;98%
Heating;80%
Methyl 2-bromopropionate
5445-17-0

Methyl 2-bromopropionate

triethyl phosphite
122-52-1

triethyl phosphite

methyl 2-(diethoxyphosphoryl)propanoate
29668-62-0

methyl 2-(diethoxyphosphoryl)propanoate

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

2-hydroxy-5-nitrobenzyl chloride

triethyl phosphite
122-52-1

triethyl phosphite

<(2-hydroxy-5-nitrophenyl)methyl>phosphonic acid diethyl ester
51917-76-1

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

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

triethyl phosphite

O,O,O-triethylselenophosphate
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
bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

triethyl phosphite
122-52-1

triethyl phosphite

Methyl diethylphosphonoacetate
1067-74-9

Methyl diethylphosphonoacetate

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

triethyl phosphite

tert-butyl α-(diethoxyphosphinyl)propionate
31460-03-4

tert-butyl α-(diethoxyphosphinyl)propionate

Conditions
ConditionsYield
at 110℃; for 16h;100%
4-bromo-trans-crotonic acid ethyl ester
37746-78-4

4-bromo-trans-crotonic acid ethyl ester

triethyl phosphite
122-52-1

triethyl phosphite

ethyl (2E)-4-(diethoxyphosphoryl)crotonate
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%
bromoacetic acid tert-butyl ester
5292-43-3

bromoacetic acid tert-butyl ester

triethyl phosphite
122-52-1

triethyl phosphite

tert-butyl diethylphosphonoacetate
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%
ethyl 2-chloro-2-ethoxyacetate
34006-60-5

ethyl 2-chloro-2-ethoxyacetate

triethyl phosphite
122-52-1

triethyl phosphite

ethyl 2-ethoxy-2-(diethylphosphono)acetate
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%
methyl 2-chloro-2-methoxyacetate
13157-96-5

methyl 2-chloro-2-methoxyacetate

triethyl phosphite
122-52-1

triethyl phosphite

diethyl (methoxy(methoxycarbonyl)methyl)phosphonate
16141-79-0

diethyl (methoxy(methoxycarbonyl)methyl)phosphonate

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

4-bromo-m-xylene

triethyl phosphite
122-52-1

triethyl phosphite

(2,5-dimethylphenyl)diethyl phosphonate
58983-18-9

(2,5-dimethylphenyl)diethyl phosphonate

Conditions
ConditionsYield
With nickel dibromide at 160℃; for 2h; Inert atmosphere;100%
Irradiation;
(1R,2S,5R)-menthol bromoacetate
16832-20-5, 32815-12-6, 55284-67-8

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

triethyl phosphite
122-52-1

triethyl phosphite

(diethoxy-phosphoryl)-acetic acid (1R,2S,5R)-2-isopropyl-5-methyl-cyclohexyl ester
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%
2-Chloromethylthiophene
765-50-4

2-Chloromethylthiophene

triethyl phosphite
122-52-1

triethyl phosphite

diethyl thien-2-ylmethylphosphonate
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%
2-bromo-3-(bromomethyl)thiophene
40032-76-6

2-bromo-3-(bromomethyl)thiophene

triethyl phosphite
122-52-1

triethyl phosphite

diethyl (2-bromothiophen-3-yl)methylphosphonate
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
benzyl bromide
100-39-0

benzyl bromide

triethyl phosphite
122-52-1

triethyl phosphite

O,O-diethyl benzylphosphonate
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%
1-(bromomethyl)-4-(1,1-dimethylethyl)benzene
18880-00-7

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

triethyl phosphite
122-52-1

triethyl phosphite

diethyl (4-tert-butyl)benzylphosphonate
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;
benzalacetophenone
94-41-7

benzalacetophenone

triethyl phosphite
122-52-1

triethyl phosphite

3-(diethoxyphosphoryl)-1,3-diphenylpropan-1-one
195324-59-5

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

Conditions
ConditionsYield
With acetic acid100%
2-(bromomethyl)-3-methyl-quinoxaline
5320-95-6

2-(bromomethyl)-3-methyl-quinoxaline

triethyl phosphite
122-52-1

triethyl phosphite

Diethyl<(3-methylquinoxaline-2-yl)methyl>phosphonate
5559-64-8

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

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

2-nitrophenylmethyl bromide

triethyl phosphite
122-52-1

triethyl phosphite

diethyl 2-nitrobenzylphosphonate
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%
4'-chlorochalcone
956-02-5

4'-chlorochalcone

triethyl phosphite
122-52-1

triethyl phosphite

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

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

Conditions
ConditionsYield
With acetic acid100%
Phenyl azide
622-37-7

Phenyl azide

triethyl phosphite
122-52-1

triethyl phosphite

triethyl N-phenylphosphorimidate
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;
1-bromomethyl-3-nitrobenzene
3958-57-4

1-bromomethyl-3-nitrobenzene

triethyl phosphite
122-52-1

triethyl phosphite

1-(diethoxyphosphorylmethyl)-3-nitro-benzene
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%
4-iodobenzoic acid chloride
1711-02-0

4-iodobenzoic acid chloride

triethyl phosphite
122-52-1

triethyl phosphite

diethyl (4-iodobenzoyl)phosphonate
156017-40-2

diethyl (4-iodobenzoyl)phosphonate

Conditions
ConditionsYield
In toluene for 3h; Ambient temperature;100%
3-(4-chlorophenyl)-1-phenylprop-2-en-1-one
956-04-7

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

triethyl phosphite
122-52-1

triethyl phosphite

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

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

Conditions
ConditionsYield
With acetic acid100%
ethyl (1-13C)-bromoacetate
61203-71-2

ethyl (1-13C)-bromoacetate

triethyl phosphite
122-52-1

triethyl phosphite

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

Triethyl phosphite 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.

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