O,O-Diethyl S-methyl dithiophosphate

Modify Date: 2025-08-24 16:36:19

O,O-Diethyl S-methyl dithiophosphate Structure
O,O-Diethyl S-methyl dithiophosphate structure
Common Name O,O-Diethyl S-methyl dithiophosphate
CAS Number 3288-58-2 Molecular Weight 200.25900
Density 1.179g/cm3 Boiling Point 224.8ºC at 760mmHg
Molecular Formula C5H13O2PS2 Melting Point N/A
MSDS N/A Flash Point 89.7ºC

 Names

Name diethoxy-methylsulfanyl-sulfanylidene-λ5-phosphane
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.179g/cm3
Boiling Point 224.8ºC at 760mmHg
Molecular Formula C5H13O2PS2
Molecular Weight 200.25900
Flash Point 89.7ºC
Exact Mass 200.00900
PSA 85.66000
LogP 3.29750
Index of Refraction 1.51
InChIKey MXSZXPYMTRBCQT-UHFFFAOYSA-N
SMILES CCOP(=S)(OCC)SC

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TD9670000
CHEMICAL NAME :
Phosphorodithioic acid, O,O-diethyl S-methyl ester
CAS REGISTRY NUMBER :
3288-58-2
BEILSTEIN REFERENCE NO. :
1704611
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C5-H13-O2-P-S2
MOLECULAR WEIGHT :
200.27
WISWESSER LINE NOTATION :
2OPS&S1&O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
156 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 53,99,1974

 Safety Information

HS Code 2931900090

 Synthetic Route

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Synonyms

O,O-Diethyl-S-methyl-dithiophosphate
Dithiophosphorsaeure-O,O'-diaethylester-S-methylester
Phosphorodithioic acid,O,O-diethyl S-methyl ester
S-methyl-O,O'-diethyldithiophosphate
RCRA waste no. U087
RCRA waste number U087
dithiophosphoric acid O,O'-diethyl ester S-methyl ester
O,O-diethyl-S-methylphosphorodithioate
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