Chlormephos
[CAS# 24934-91-6]

Identification

• Classification: Analytical chemistry >> Standard >> Pesticides, veterinary drugs and fertilizers
• Name: Chlormephos
• Synonyms: Dotan; MC 2188; O,O-Diethyl S-(chloromethyl) dithiophosphate; S-Chloromethyl O,O-diethyl phosphorothiolothionate
• Molecular Formula: C₅H₁₂ClO₂PS₂
• Molecular Weight: 234.70
• CAS Registry Number: 24934-91-6
• EC Number: 246-538-1

Properties

• Solubility: Very slightly soluble (0.26 g/L) (25 ºC), Calc.^*
• Density: 1.260 g/cm³ (20 ºC)^**
• Melting point: <25 ºC^***
• Boiling point: 113-115 ºC (2.5 Torr)^****
• Refractive index: 1.5244^**
• Flash point: 104.7±27.9 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

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

^*** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

^**** Pianka, Max; DE 1925468 A 1970.

Safety Data

• Hazard Symbols: GHS06;GHS09 Danger
• Hazard Statements: H310-H300-H400-H410

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	2	H300
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute toxicity	Acute Tox.	1	H310
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400