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
Rice	thrips	480-720 g/ha	water 750kg and spraying
wheat	armyworms	240 g/ha	water 600kg and spraying
wheat	aphids	300-450 g/ha	water 600kg and spraying
cotton	aphids	300 g/ha	water 600kg and spraying
cotton	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
fruit	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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