Diethyl chlorothiophosphate
[CAS# 2524-04-1]

Identification

• Classification: Biochemical >> Nucleoside drugs >> Nucleotides and their analogues
• Name: Diethyl chlorothiophosphate
• Synonyms: Diethyl phosphorochloridothionate
• Molecular Formula: C₄H₁₀ClO₂PS
• Molecular Weight: 188.61
• CAS Registry Number: 2524-04-1
• EC Number: 219-755-4

Properties

• Density: 1.2
• Boiling point: 96-98 ºC (25 mmHg)
• Refractive index: 1.471-1.473
• Flash point: 92 ºC
• Water solubility: hydrolyzes, immiscible

Safety Data

• Hazard Symbols: T+
• Risk Codes: R21/22;R26;R34
• Safety Description: S28A;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	2	H330
Serious eye damage	Eye Dam.	1	H318
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	1	H330
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Acute toxicity	Acute Tox.	2	H310

• Transport Information: UN 2751