Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Mesulfenfos
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Mesulfenfos
Price: ￥1208.0/50mg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

3761-41-9

3761-41-9 structure

3761-41-9 structure

Name: Mesulfenfos
Chemical Name: mesulfenfos
CAS Number: 3761-41-9
Molecular Formula: C₁₀H₁₅O₄PS₂
Molecular Weight: 294.328
Catalog: Chemical reagent Organic reagent Sulfone, sulfoxide compound
Create Date: 2018-05-15 08:00:00
Modify Date: 2025-08-26 09:09:58

Name	mesulfenfos
Synonyms	Fenthionsulfoxide dimethoxy-(3-methyl-4-methylsulfinylphenoxy)-sulfanylidene-λ<sup>5</sup>-phosphane Phosphorothioic acid, O,O-dimethyl O-[3-methyl-4-(methylsulfinyl)phenyl] ester O,O-dimethyl O-4-methylsulfinyl-m-tolyl phosphorothioate OS1&R B1 DOPS&O1&O1 Mesulfenos O,O-Dimethyl O-[3-methyl-4-(methylsulfinyl)phenyl] phosphorothioate O,O-Dimethyl O-(4-(methylsulfinyl)-m-tolyl) phosphorothioate MFCD00144307 Mesulfenfos Fensulfoxide Phosphorothioic acid, O,O-dimethyl O-[4-(methylsulfinyl)-m-tolyl] ester O-[4-(methanesulfinyl)-3-methylphenyl] O,O-dimethyl phosphorothioate O,O-Dimethyl O-((4-methylthio)-m-tolyl)phosphorothioate sulfoxide O,O-dimethyl O-[3-methyl-4-(methylsulfinyl)phenyl]phosphorothioate Mesulfenfos [ISO]

Density	1.3±0.1 g/cm3
Boiling Point	397.1±52.0 °C at 760 mmHg
Molecular Formula	C₁₀H₁₅O₄PS₂
Molecular Weight	294.328
Flash Point	194.0±30.7 °C
Exact Mass	294.014923
PSA	105.87000
LogP	1.63
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.584
Storage condition	APPROX 4°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TF9400000

CHEMICAL NAME :: Phosphorothioic acid, O,O-dimethyl O-(4-(methylsulfinyl)-m-tolyl) ester

CAS REGISTRY NUMBER :: 3761-41-9

LAST UPDATED :: 199612

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C10-H15-O4-P-S2

MOLECULAR WEIGHT :: 294.34

WISWESSER LINE NOTATION :: OS1&R B1 DOPS&O1&O1

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 :: 125 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: GUCHAZ Guide to the Chemicals Used in Crop Protection. (Information Canada, 171 Slater St., Ottawa, Ont., Canada) Volume(issue)/page/year: 6,279,1973

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3 gm/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - fasciculations

REFERENCE :: BWHOA6 Bulletin of the World Health Organization. (WHO, Pub. Center USA, 49 Sheridan Ave., Albany, NY 12210) Volume(issue)/page/year: 29,205,1963

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 6,86,1964

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 220 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Gastrointestinal - changes in structure or function of salivary glands

REFERENCE :: JOPHDQ Journal of Pharmacobio-Dynamics. (Japan Pub. Trading Co. (USA), 1255 Howard St., San Francisco, CA 94103) V.1- 1978- Volume(issue)/page/year: 9,697,1986

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intracerebral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 5 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: PCBPBS Pesticide Biochemistry and Physiology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1971- Volume(issue)/page/year: 8,302,1978

Symbol	GHS06
Signal Word	Danger
Hazard Statements	H301
Precautionary Statements	P301 + P310
Personal Protective Equipment	Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	F,Xn,N,T
Risk Phrases	11-20/21/22-36-50/53-25
Safety Phrases	S45;S60;S61
RIDADR	UN 2783
RTECS	TF9400000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2930909090

Precursor 1
55-38-9
DownStream 1
14143-28-3

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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