Methidathion

Modify Date: 2024-01-02 20:05:11

Methidathion structure	Common Name	Methidathion
	CAS Number	950-37-8	Molecular Weight	302.331
	Density	1.6±0.1 g/cm3	Boiling Point	347.7±52.0 °C at 760 mmHg
	Molecular Formula	C₆H₁₁N₂O₄PS₃	Melting Point	39-40°C
	MSDS	Chinese USA	Flash Point	164.1±30.7 °C
	Symbol	GHS05, GHS06, GHS09	Signal Word	Danger

Name	methidathion
Synonym	More Synonyms

Density	1.6±0.1 g/cm3
Boiling Point	347.7±52.0 °C at 760 mmHg
Melting Point	39-40°C
Molecular Formula	C₆H₁₁N₂O₄PS₃
Molecular Weight	302.331
Flash Point	164.1±30.7 °C
Exact Mass	301.961853
PSA	158.02000
LogP	2.03
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.652
Storage condition	0-6°C
Water Solubility	0.024 g/100 mL

Methidathion MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TE2100000

CHEMICAL NAME :: Phosphorodithioic acid, O,O-dimethyl ester, S-ester with 4-(mercaptomethyl)-2-methoxy- delta(sup 2)-1,3,4-thiadiazolin-5-one

CAS REGISTRY NUMBER :: 950-37-8

LAST UPDATED :: 199706

DATA ITEMS CITED :: 20

MOLECULAR FORMULA :: C6-H11-N2-O4-P-S3

MOLECULAR WEIGHT :: 302.34

WISWESSER LINE NOTATION :: T5NNVSJ B1SPS&O1&O1 EO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: CIGET* Ciba-Geigy Toxicology Data/Indexes. (Ciba-Geigy Corp., 556 Morris Ave., Summit, NJ 07901) ** ACUTE TOXICITY DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Human - man

DOSE/DURATION :: 93 mg/kg

TOXIC EFFECTS :: Sense Organs and Special Senses (Eye) - miosis (pupillary constriction) Sense Organs and Special Senses (Eye) - lacrimation Behavioral - coma

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 20 mg/kg

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

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 50 mg/m3/4H

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

REFERENCE :: CIGET* Ciba-Geigy Toxicology Data/Indexes. (Ciba-Geigy Corp., 556 Morris Ave., Summit, NJ 07901)

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 25 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 25 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 63 mg/kg

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

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 196 mg/kg

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

REFERENCE :: CIGET* Ciba-Geigy Toxicology Data/Indexes. (Ciba-Geigy Corp., 556 Morris Ave., Summit, NJ 07901)

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 25 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 80 mg/kg

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

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 25 mg/kg

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

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

ROUTE OF EXPOSURE :: Unreported

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 25 mg/kg

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 225 mg/kg/9W-I

TOXIC EFFECTS :: Endocrine - changes in spleen weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Related to Chronic Data - death

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 17155 mg/kg/1Y-I

TOXIC EFFECTS :: Liver - jaundice, cholestatic Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - true cholinesterase Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - multiple enzyme effects

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Rodent - hamster Lung

DOSE/DURATION :: 40 mg/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 88,307,1981 *** REVIEWS *** TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 46,1,1973 TOXICOLOGY REVIEW RREVAH Residue Reviews. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 07094) V.1- 1962- Volume(issue)/page/year: 63,1,1976 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2166 No. of Facilities: 13 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 26 (estimated)

Symbol	GHS05, GHS06, GHS09
Signal Word	Danger
Hazard Statements	H300 + H310 + H330-H318-H410
Precautionary Statements	P260-P264-P273-P280-P284-P301 + P310
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	T+:Verytoxic;N:Dangerous for the environment;
Risk Phrases	R21;R28;R50/53
Safety Phrases	S22-S28-S36/37-S45-S60-S61
RIDADR	UN 2811
RTECS	TE2100000
Packaging Group	II
Hazard Class	6.1(a)

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Precursor 4
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DownStream 0

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faat

Phosphorodithioic Acid S-[(5-Methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl]O,O-Dimethyl Ester

Phosphorodithioic acid, S-[(5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl ester

S-((5-methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl) O,O-dimethyl phosphorodithioate

Dithiophosphoric Acid O,O'-Dimethyl-S-[(2-methoxy-1,3,4-thiadiazol-5(4H)-on-4-yl)methyl] Ester

Geigy GS 13005

S-[(5-Methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl] O,O-dimethyl phosphorodithioate

sphat

NC2964

oms844

O,O'-Dimethyl-S-[(2-methoxy-1,3,4-thiadiazole-5(4H)-one-4-yl)methyl] Dithiophosphate

S-2,3-dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-ylmethyl O,O-dimethyl phosphorodithioate

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Methadithion

dmtp

Phosphorodithioic Acid O,O-Dimethyl Ester S-Ester with 4-(Mercaptomethyl)-2-methoxy-D2-1,3,4-thiadiazolin-5-one

Somonil

O,O-dimethyl S-(2,3-dihydro-5-methoxy-2-oxo-1,3,4-thiadiazol-3-ylmethyl)phosphorodithioate

S-[(5-Methoxy-2-oxo-1,3,4-thiadiazol-3(2H)-yl)methyl]-O,O-dimethyldithiophosphat

Dithiophosphoric acid O,O'-dimethyl-S-[(5-methoxy-1,3,4-thiadiazol-2(3H)-one-3-yl)methyl] ester

hionate

MFCD00055286

Methidathion

T5NNVSJ B1SPS&O1&O1 EO1

EINECS 213-449-4

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Methidathion
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

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Methidathion

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

Safety Information

Synthetic Route

Precursor & DownStream

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Synonyms