O,S-DIETHYL METHYLPHOSPHONOTHIOATE

Modify Date: 2025-08-25 16:58:21

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure
O,S-DIETHYL METHYLPHOSPHONOTHIOATE structure
 Common Name O,S-DIETHYL METHYLPHOSPHONOTHIOATE
CAS Number 2511-10-6 Molecular Weight 168.19400
Density 1.081g/cm3 Boiling Point 208ºC at 760mmHg
Molecular Formula C5H13O2PS Melting Point N/A
MSDS N/A Flash Point 79.6ºC

 Names

Name 1-[ethylsulfanyl(methyl)phosphoryl]oxyethane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.081g/cm3
Boiling Point 208ºC at 760mmHg
Molecular Formula C5H13O2PS
Molecular Weight 168.19400
Flash Point 79.6ºC
Exact Mass 168.03700
PSA 61.41000
LogP 2.59890
Vapour Pressure 0.315mmHg at 25°C
Index of Refraction 1.45

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TB1085000
CHEMICAL NAME :
Phosphonothioic acid, methyl-, O,S-diethyl ester
CAS REGISTRY NUMBER :
2511-10-6
BEILSTEIN REFERENCE NO. :
1753418
LAST UPDATED :
199706
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C5-H13-O2-P-S
MOLECULAR WEIGHT :
168.21

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
6 mg/kg
TOXIC EFFECTS :
Behavioral - tetany Lungs, Thorax, or Respiration - dyspnea Kidney, Ureter, Bladder - urine volume increased
REFERENCE :
JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 32,774,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
5620 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>24 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
2480 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
IAEC** Interagency Collaborative Group on Environmental Carcinogenesis, National Cancer Institute, Memorandum, June 17, 1974 Volume(issue)/page/year: 17JUN1974

 Safety Information

RIDADR UN3278
Packaging Group II
Hazard Class 6.1

 Synthetic Route

Na salt of O-ethylmethylthiophosphonic acid structure

Na salt of O-et...

CAS#:22307-81-9

Ethyl iodide structure

Ethyl iodide

CAS#:75-03-6

~89%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Singh, Ravindra; Gutch; Acharya; Prabha Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2011 , vol. 50, # 10 p. 1504 - 1509
1-[chloro(methyl)phosphoryl]oxyethane structure

1-[chloro(methy...

CAS#:5284-09-3

Ethanethiol structure

Ethanethiol

CAS#:75-08-1

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Cadogan,J.I.G. Journal of the Chemical Society, 1961 , p. 3067 - 3070
o,o'-diethyl methylphosphonothioate structure

o,o'-diethyl me...

CAS#:6996-81-2

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Kabatschnik et al. Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1956 , p. 193,197;engl.Ausg.S.185,188
Diethyl disulfide structure

Diethyl disulfide

CAS#:110-81-6

ETHYL METHYLPHOSPHINATE structure

ETHYL METHYLPHO...

CAS#:16391-07-4

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Petrov,K.A. et al. J. Gen. Chem. USSR (Engl. Transl.), 1961 , vol. 31, p. 176 - 179,164 - 167
o-ethyl methylphosphonothioate structure

o-ethyl methylp...

CAS#:18005-40-8

1,1-diethoxyprop-1-ene structure

1,1-diethoxypro...

CAS#:21504-43-8

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: LeGras,P.G. et al. Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1973 , p. 2064 - 2071
Bromoethane structure

Bromoethane

CAS#:74-96-4

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Kabatschnik et al. Zhurnal Obshchei Khimii, 1956 , vol. 26, p. 2228,2231; engl.Ausg.S.2491,2494
1-[chloro(methyl)phosphoryl]oxyethane structure

1-[chloro(methy...

CAS#:5284-09-3

Sodium ethanethiolate structure

Sodium ethaneth...

CAS#:811-51-8

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Kabatschnik et al. Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, 1956 , p. 193,197;engl.Ausg.S.185,188
Bromoethane structure

Bromoethane

CAS#:74-96-4

o-ethyl methylphosphonothioate structure

o-ethyl methylp...

CAS#:18005-40-8

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Petrov,K.A. et al. J. Gen. Chem. USSR (Engl. Transl.), 1961 , vol. 31, p. 179 - 184,168 - 171
ethyl thiohypochlorite structure

ethyl thiohypoc...

CAS#:1496-75-9

ETHYL METHYLPHOSPHINATE structure

ETHYL METHYLPHO...

CAS#:16391-07-4

~%

O,S-DIETHYL METHYLPHOSPHONOTHIOATE Structure

O,S-DIETHYL MET...

CAS#:2511-10-6

Literature: Petrov,K.A. et al. J. Gen. Chem. USSR (Engl. Transl.), 1961 , vol. 31, p. 1361 - 1366,1260 - 1264

 Synonyms

O,S-Diethyl methylthiophosphonate
methyl-thiophosphonic acid O,S-diethyl ester
OSDMP
Phosphonothioic acid,methyl-,O,S-diethyl ester
O-Ethyl-S-ethylmethylphosphonothiolate
Methylphosphonothioic acid O,S-diethyl ester
MFCD01705977
O,S-Diethyl methyl phosphonothioate
O,S-diethyl methylphosphonate
O,S-diethyl methylphosphonothionate
LG 61
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