Fenthion
[CAS# 55-38-9]

Identification

• Classification: Organic raw materials >> Organic phosphine compound
• Name: Fenthion
• Synonyms: O,O-Dimethyl O-3-methyl-4-methylthiophenyl phosphorothioate; O,O-Dimethyl O-(3-methyl-4-methylthiophenyl) thiophosphate
• Molecular Formula: C₁₀H₁₅O₃PS₂
• Molecular Weight: 278.32
• CAS Registry Number: 55-38-9
• EC Number: 200-231-9

Properties

• Density: 1.25
• Melting point: 7.5 °C
• Boiling point: 87 °C (0.01 mmHg)
• Water solubility: 0.0055 g/100 mL

Safety Data

• Hazard Symbols: GHS06;GHS08;GHS09 Danger
• Risk Statements: H341-H331-H312-H302-H372-H400-H410
• Safety Statements: S36/37;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Germ cell mutagenicity	Muta.	2	H341
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	3	H331
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	2	H310
Acute toxicity	Acute Tox.	3	H311
Specific target organ toxicity - single exposure	STOT SE	1	H370
Acute toxicity	Acute Tox.	2	H330
Reproductive toxicity	Repr.	2	H361

• Transport Information: UN 2810; UN 3017