Dimethyl chlorothiophosphate
[CAS# 2524-03-0]

Identification

• Classification: Chemical pesticide >> Insecticide intermediate
• Name: Dimethyl chlorothiophosphate
• Synonyms: Dimethyl phosphorochloridothioate; Dimethylthiophosphoryl chloride; O,O-Dimethyl phosphorochloridothioate
• Molecular Formula: C₂H₆ClO₂PS
• Molecular Weight: 160.55
• CAS Registry Number: 2524-03-0
• EC Number: 219-754-9

Properties

• Density: 1.322
• Boiling point: 66-67 ºC (16 mmHg)
• Refractive index: 1.481-1.483
• Flash point: 93 ºC
• Water solubility: slowly hydrolyzes

Safety Data

• Hazard Symbols: T
• Risk Codes: R21/22;R23;R34
• Safety Description: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	4	H302
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	3	H301
Specific target organ toxicity - single exposure	STOT SE	3	H335
Serious eye damage	Eye Dam.	1	H318
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	4	H312
Germ cell mutagenicity	Muta.	2	H341
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	1	H330

• Transport Information: UN 2267