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10265-92-6

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Basic Information
CAS No.: 10265-92-6
Name: Methamidophos
Article Data: 19
Molecular Structure:
Molecular Structure of 10265-92-6 (Methamidophos)
Formula: C2H8NO2PS
Molecular Weight: 141.131
Synonyms: Methylphosphoramidothioate ((MeO)(MeS)P(O)(NH2)) (6CI,7CI);Acephate-met;Amidor;Bayer 5546;CKB 1220;Chevron 9006;Filitox;Metamidophos;Monitor;Monitor (insecticide);Nitofol;O,S-Dimethyl phosphoramidothioate;O,S-Dimethyl thiophosphoramide;Ortho 9006;Ortho Monitor;RE 9006;Sniper;Sundaphos;Tamaron;
EINECS: 233-606-0
Density: 1.286 g/cm3
Melting Point: 44.5 °C
Boiling Point: 208.7 °C at 760 mmHg
Flash Point: 80 °C
Solubility: >200 g l-1 (20°C)
Appearance: off-white crystalline solid
Hazard Symbols: VeryT+,DangerousN
Risk Codes: 24-26/28-50
Safety: 28-36/37-45-61
Transport Information: 2783
PSA: 87.43000
LogP: 1.76290
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Chemistry

The molecular formula of Methamidophos(10265-92-6) is C2H8NO2PS and its formula weight is 141.13.
The density of Methamidophos(10265-92-6) is 1.286 g/cm3  and it has a melting point of  44.5°C. The boiling point is 208.7 °C at 760 mmHg . The refractive index is about  1.485 . Its flash point is  80 °C .
The chemical synonyms of Methamidophos(10265-92-6) are METAMIDOPHOS;METHAPHOS;METHAMIDOPHOS;BAYER 71628;JIAANLIN;GIANT;CEKUMIDOFOS;Acephate-met
The molecular structure of Methamidophos(10265-92-6):

Toxicity Data With Reference

1.   

orl-man TDLo:257 mg/kg:PNS,EYE,SKN

   NEJMAG    New England Journal of Medicine. 306 (1982),125.
2.   

orl-wmn TDLo:360 mg/kg:PNS,EYE,SKN

   NEJMAG    New England Journal of Medicine. 306 (1982),125.
3.   

orl-rat LD50:7500 µg/kg

   ARSIM*    Agricultural Research Service, USDA Information Memorandum. 20 (1966),7.
4.   

ihl-rat LD50:9 mg/kg

   TXAPA9    Toxicology and Applied Pharmacology. 45 (1978),232.
5.   

skn-rat LD50:50 mg/kg

   28ZEAL    Pesticide Index. 5 (1976),149.
6.   

ipr-rat LD50:15 mg/kg

   PCBPBS    Pesticide Biochemistry and Physiology. 13 (1980),267.
7.   

orl-mus LD50:14 mg/kg

   PCBPBS    Pesticide Biochemistry and Physiology. 7 (1977),83.
8.   

ihl-mus LD50:19 mg/kg

   TXAPA9    Toxicology and Applied Pharmacology. 45 (1978),232.
9.   

orl-rbt LD50:10 mg/kg

   28ZEAL    Pesticide Index. 5 (1976),149.
10.   

skn-rbt LD50:118 mg/kg

   GUCHAZ    Guide to the Chemicals Used in Crop Protection 6 (1973),333.

Consensus Reports

EPA Extremely Hazardous Substances List.

Safety Profile

Poison by ingestion, inhalation, skin contact, subcutaneous, and intraperitoneal routes. Human systemic effects by ingestion: fasciculations, pupillary constriction, and sweating. A cholinesterase inhibitor type of insecticide. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx. See also PARATHION.
Hazard Codes  T+;N,N,T+,Xn,F
Risk Statements  24-26/28-50-36-20/21/22-11
Safety Statements  1/2-28-36/37-45-61-26
RIDADR  2783
RTECS  TB4970000
HazardClass  6.1(a)
PackingGroup  II