Temephos
[CAS# 3383-96-8]

Identification

• Classification: API >> Other chemicals >> Health and epidemic prevention drugs
• Name: Temephos
• Synonyms: O,O,O',O'-Tetramethyl O,O'-(thiodi-4,1-phenylene) phosphorothioate; Phosphorothioic acid O,O'-(thiodi-4,1-phenylene) O,O,O',O'-tetramethyl ester
• Molecular Formula: C₁₆H₂₀O₆P₂S₃
• Molecular Weight: 466.46
• CAS Registry Number: 3383-96-8
• EC Number: 222-191-1

Properties

• Melting point: 30-31 ºC
• Water solubility: 0.003 g/100 mL

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R21/22
• Safety Description: S22;S37

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	3	H311
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Specific target organ toxicity - repeated exposure	STOT RE	2	H373

• Transport Information: UN 3077