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Phosazetim

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Phosazetim Basic information

Product Name:
Phosazetim
Synonyms:
  • Phosazetim
  • O,O-bis(4-chlorophenyl) N-acetamidoylphosphoramidothioate
  • phosacetim
  • Gophacide
  • phosazetin
  • HOSAZETIN
  • BAYER38819
  • O,O-di-4-Chlorophenyl-N-acetimidoyl phosphoramidothioate
CAS:
4104-14-7
MF:
C14H13Cl2N2O2PS
MW:
375.21
EINECS:
223-874-7
Mol File:
4104-14-7.mol
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Phosazetim Chemical Properties

Melting point:
104-106 °C
Boiling point:
441.9±55.0 °C(Predicted)
Density 
1.43±0.1 g/cm3(Predicted)
pka
2.67±0.50(Predicted)
EPA Substance Registry System
Phosacetim (4104-14-7)
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Safety Information

Hazard Codes 
T+,N
Risk Statements 
27/28-50/53
Safety Statements 
28-36/37-45-60-61
RIDADR 
2783
HazardClass 
6.1(a)
PackingGroup 
I
Hazardous Substances Data
4104-14-7(Hazardous Substances Data)
Toxicity
LD50 orl-rat: 3700 mg/kg FMCHA2 -,C117,83
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Phosazetim Usage And Synthesis

Description

Phosacetim is a white crystalline powder in appearance. It is a toxic organophosphate compound used as a rodenticide and acts as an inhibitor of acetylcholinesterase enzyme. On heating, phosacetim undergoes decomposition to emit toxic fumes, primarily chlorides and oxides of nitrogen, sulphur, and phosphorus. Phosacetim is susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidising agents may result in the release of toxic phosphorus oxides.

Chemical Properties

Phosacetim is a crystalline solid

General Description

Solid.

Reactivity Profile

Organothiophosphates, such as Phosazetim, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.

Health Hazard

Highly toxic by mouth and skin exposure.

Fire Hazard

When heated to decomposition, emits toxic fumes, primarily chlorides and oxides of nitrogen, sulfur and phosphorus. Avoid extreme heat.

Safety Profile

Poison by ingestion, skin contact,and intraperitoneal routes. A pesticide. When heated todecomposition it emits very toxic fumes of SOx, POx, Cl-,and NOx.

Potential Exposure

Used as a rodenticide.

Shipping

UN2783 Organophosphorus pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Incompatibilities

Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, nitrates. May hydrolyze on contact with moisture

Waste Disposal

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. In accordance with 40CFR165, follow recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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