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2021/02/18
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Chlorpyrifos

 

Chlorpyrifos 

Common name: Chlorpyrifos

CAS No.:  2921–88–2 
Chemical name: O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) phosphorothioate   
Molecular Formula:    C9H11Cl3NO3PS 
Chemical structure: 

Mode of action:  Non-systemic insecticide with contact, stomach, and respiratory action.

Specification for Chlorpyrifos Tech:

Technical specifications

Tolerance

Appearance

White to off-white powder

Active Ingredient Content, %

98 min

Acidity

0.1% max calculated as H2SO4

Sulfotep, %

0.3 max

Acetone insolubles

Retained on a 45 µm test sieve 0.5%max

Water, %

0.2 max


Specification for Chlorpyrifos EC:

Technical specifications

Tolerance

40%

45%

Active Ingredient Content, %

40 ± 2.0

40 ± 2.2

Water, %

0.8

Sulfotep, %

0.2

pH

4.5-6.5

Storage stability

Qualified


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