Leptophos
[CAS# 21609-90-5]

Identification

• Classification: Chemical pesticide >> Insecticide >> Organochlorine insecticide
• Name: Leptophos
• Synonyms: MBCP; NK 711; O-(4-Bromo-2,5-dichlorophenyl) O-methyl phenylphosphonothioate; Oleophosvel; Phosvel; VCS 506; Velsicol 506; Velsicol VCS 506
• Molecular Formula: C₁₃H₁₀BrCl₂O₂PS
• Molecular Weight: 412.07
• CAS Registry Number: 21609-90-5
• EC Number: 244-472-8

Properties

• Solubility: Insoluble (1.3E^-4 g/L) (25 ºC), Calc.^*
• Density: 1.53 g/cm³ (25 ºC)^**
• Melting point: 72 ºC^***

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

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

^*** Chiou, Cary T.; Environmental Science and Technology 2005, V39(22), P8840-8846.

Safety Data

• Hazard Symbols: GHS06;GHS08;GHS09 Danger
• Hazard Statements: H301-H312-H370-H400-H410
• Safety Description: S25;S36/37/39;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Specific target organ toxicity - single exposure	STOT SE	1	H370
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	1	H310
Acute toxicity	Acute Tox.	2	H300

• Transport Information: UN 3464 6.1/PG 2