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- Region :China/Henan
- Tel : 15137105706
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- Details for Chlorpyrifos
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Chlorpyrifos 2921-88-2
Category : Agrochemicals/Insecticide
CAS NO : 2921-88-2 EC NO : 220-864-4 MF : C9H11Cl3NO3PS MW : 350.5863 Specification : 98TC 40EC 20EC Packing : 25kg or 200kg drum Product description : COMMON NAME:Chlorpyrifos (97TC, 48EC)
CHEMICAL NAME:O.O-dimethyl-O-(3.5.6-trichloro-2-pyridyl) phosphorothicate
STRUCTURAL FORMULA: ?
PHYSICAL AND CHEMICAL PROPERTIES:
Technical product is white granular crystal with mercaptan-like odour,stable at normal temperature,m.p.41.5~43.5,It's easily soluble in many organic solvents such as acetone,benzene,dimethyl benzene,dichloroethane,trichloromethane and so on.
TOXICITY:
Acute oral LD50 of technical to mouse is 163 mg/kg,acute dermal LD50 is more than 2000mg/kg.It is lightly irritative to animal eyes. Touching for a long time will lead to be burned.It has no teratoge nicity,carcinogenicity and mutagenicity effect.It's high toxic to fish and aquatic animal,poisonous to bees.FORMULATION AND SPECIFICATION:
?Technical EC Carbofuran content,%(m/m) 94.0 min 40.,20 Moisture(%,m/m) 0.1 max 0.3 max Acidity(as H2SO4),% (m/m) X0.1 max 0.3 max PRECAUTION:
1.Avoid using it during the blossom period in order to protect bees.
2.Don't mix it with alkaline pesticides.It can't be used on tobacco.
3.Ceasing period of using on crops before harvest:cotton,21 days;rice,7 days; sugarcane, 7 days;soybean,14 days;peanut,21 days; corn,10 days.
THE SCALE,METHOD AND RECOMMENDATORY RATE OF APPLICTION:Crop insects recommendatory rate method of application Rice leaf rollers 360-600 g/ha water 750kg and spraying thrips 480-720 g/ha water 750kg and spraying wheat armyworms 240 g/ha water 600kg and spraying aphids 300-450 g/ha water 600kg and spraying cotton aphids 300 g/ha water 600kg and spraying pinkworms 700-1020 g/ha water 600kg and spraying vegetable small diamond,black moth 600-900 g/ha water 1350kg and spraying fruit peach pod borer 200-400 ppm spraying orange leaf miner 200-500 ppm spraying Uses : USES:It's phosphorathicate insecticide with contact, stomach and fumigation poisoning effect. It has a short residual time in leaves but a longer residual time in soil.So,it is well effective to control underground pests. Synonyms : O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate;ANSI;ISO;BSI;Dowco179;ENT27311;O,O-diethyl-O-(3,5,6-trichloro-2-pyridyl)phos-phorothioate;Clorpyrifos;Phosphorothioic acid O,O-diethyl O-(3,5,6-trichloro-2-pyridinyl) ester;Chlorpyritos;Eradex;Lorsban;Trichlorpyrphos;Chlorpyriphos;O,O-diethyl O-(3,5,6-trichloropyridin-2-yl) phosphorothioate;O,O-diethyl S-(3,5,6-trichloropyridin-2-yl) thiophosphate; Molecular Structure : 
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Chlorpyrifos