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Chlorpyrifos

Identification

Synonyms: O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
CAS No.: 2921-88-2
EC No.: 220-864-4
Molecular Weight: 350.6
Molecular Formula: C9H11Cl3NO3PS
Structural Formula: chlorpyrifos

Appearance: May form Colourless crystals, with mild mercaptan odor.
M.P.: 42–43.5 °C
B.P. :>400 °C
V.P.: 2.7 mPa (25 °C)
S.G.: 1.44 (20 °C)
Solubility In water c. 1.4 mg/l (25 °C), Acetone 6500mg/l, Benzene 7900mg/l, Chloroform 6300mg/l

Application

Chlorpyrifos is a cholinesterase inhibiting insecticide with contact, stomach, and respiratory action. Used to control Coleoptera, Homoptera, Diptera and Lepidoptera in soil or on foliage. Also used for control of household pests (Blattellidae, Isoptera, Muscidae), mosquitoes (larvae and adults) .

Specification*

TC, EC, SL

Standard Packaging

200L drum, Bottles

Packaging photos coming soon

Risks and Safety Information

Class 6, Toxic

Acute oral LD50 ( rats) 135 to 163, Skin and eye Acute dermal LD50 (rabbits) >5000 mg/kg; (tech. for rats) >2000 mg/kg.

Mild skin and moderate eye irritant (rabbits). Birds Acute oral LD50 (mallard ducks) 490. Fish LC50 (96h for bluegill sunfish) 0.002 to 0.010. Algae NOEC (Selenastrum capricornutum) >0.4 mg/l.

Toxic to bees! LD50 (oral) 360 ng/bee; (contact) 70 ng/bee.

Warning,Toxic

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