Methoxychlor
[CAS# 72-43-5]

Identification

• Classification: Chemical pesticide >> Insecticide >> Organochlorine insecticide
• Name: Methoxychlor
• Synonyms: Di(p-methoxyphenyl)(trichloromethyl)methane; Dimethoxy-DDT; Marlate; Mesox K; Methoxcide; Methoxy-DDT
• Molecular Formula: C₁₆H₁₅Cl₃O₂
• Molecular Weight: 345.65
• CAS Registry Number: 72-43-5
• EC Number: 200-779-9

Properties

• Density: 1.41 g/cm³ (25 ºC)^*
• Melting point: 94 ºC^**

^* "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

^** Harris, E. E.; Journal of the American Chemical Society 1926, V48, P3144-50.

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R20/21/22;R40;R50/53
• Safety Description: S7;S23;S36/37/39;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	2	H371
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	4	H332
Reproductive toxicity	Repr.	2	H361
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute toxicity	Acute Tox.	4	H312
Carcinogenicity	Carc.	2	H351

• Transport Information: UN 3077 9 / PGIII