Thiophosphoryl chloride
Agent Name
Thiophosphoryl chloride
CAS Number
3982-91-0
Formula
Cl3-P-S
Major Category
Toxic Gases & Vapors
Synonyms
Fosforthiochlorid [Czech]; Phosphine sulfide, trichloro-; Phosphorothioic trichloride; Phosphorothionic trichloride; Phosphorous sulfochloride; Phosphorous thiochloride; Phosphorous trichloride sulfide; Phosphorus chloride sulfide; Phosphorus sulfochloride; Phosphorus thiochloride; Phosphorus trichloride sulfide; Sulfidotrichlorid fosforecny [Czech]; TL 262; Thiochlorid fosforecny [Czech]; Thiophosphoric trichloride; Thiophosphoryl chloride (PSCl3); Thiophosphoryl trichloride; Trichlorophosphine sulfide; [ChemIDplus] UN1837
Category
Other Toxic Gases & Vapors
Description
Colorless fuming liquid with pungent odor; [ICSC]
Sources/Uses
Used to make insecticides (e.g., parathion); [HSDB]
Comments
Hydrolyzed by water forming orthophosphoric acid, hydrochloric acid, and hydrogen sulfide; A strong irritant; [Merck Index] Decomposed by heating and water or humidity forming toxic and corrosive vapors (including phosphoric acid, hydrogen chloride, and hydrogen sulfide) posing fire and explosion hazard; A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause pulmonary edema; [ICSC] An eye and mucous membrane irritant; [HSDB] Decomposed by water producing phosphoric acid and hydrochloric acid; May also form hydrogen sulfide on reaction with water; Fumes in air; An eye and mucous membrane irritant; Corrosive to tissue; [CAMEO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; Can be absorbed through skin; [MSDSonline]
Biomedical References
Exposure Assessment
Vapor Pressure
16.35 mm Hg
Lethal Concentration
LC50 (rat) = 20 ppm/4h
Adverse Effects
Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.