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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methylthiophosphonic acid O,O-dimethyl ester
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681-06-1

681-06-1 structure

681-06-1 structure

Name: Methylthiophosphonic acid O,O-dimethyl ester
Chemical Name: dimethoxy-methyl-sulfanylidene-λ5-phosphane
CAS Number: 681-06-1
Molecular Formula: C₃H₉O₂PS
Molecular Weight: 140.14100
Create Date: 2017-04-19 01:02:52
Modify Date: 2025-09-18 01:37:56

Name	dimethoxy-methyl-sulfanylidene-λ5-phosphane
Synonyms	Methyl-thiophosphonsaeure-O,O'-dimethylester O,O-Dimethyl methylphosphonothioate methyl-phosphonothioic acid O,O'-dimethyl ester Phosphonothioic acid,methyl-,O,O-dimethyl ester dimethoxy-methyl-sulfanylidene-phosphorane Methan-thiophosphonsaeure-O,O'-dimethylester methyl thiophosphonate de methyle methyl-thiophosphonic acid O,O'-dimethyl ester dimethoxy-methyl-sulfanylidene Dimethyl methylphosphonothionate O,O-Dimethyl methanephosphonothioate

Density	1.141g/cm3
Boiling Point	125.8ºC at 760 mmHg
Molecular Formula	C₃H₉O₂PS
Molecular Weight	140.14100
Flash Point	29.9ºC
Exact Mass	140.00600
PSA	60.36000
LogP	1.86910
Index of Refraction	1.459

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TB1100800

CHEMICAL NAME :: Phosphonothioic acid, methyl-, O,O-dimethyl ester

CAS REGISTRY NUMBER :: 681-06-1

LAST UPDATED :: 199706

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C3-H9-O2-P-S

MOLECULAR WEIGHT :: 140.15

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 :: >300 mg/kg

TOXIC EFFECTS :: Gastrointestinal - hypermotility, diarrhea Kidney, Ureter, Bladder - urine volume increased Blood - other changes

REFERENCE :: JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 8,619,1981

67-56-1 structure

67-56-1

676-98-2 structure

676-98-2

~%

681-06-1 structure

681-06-1

Literature: Hoffmann et al. Journal of the American Chemical Society, 1958 , vol. 80, p. 3945,3946,3947

124-41-4 structure

124-41-4

676-98-2 structure

676-98-2

~%

681-06-1 structure

681-06-1

Literature: Hoffmann et al. Journal of the American Chemical Society, 1958 , vol. 80, p. 3945,3946,3947

Precursor 3
67-56-1 676-98-2 124-41-4
DownStream 2
1888-90-0 13294-73-0

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