Chlorpyrifos(98,94tech,40.7ec)

COMMON NAME:Chlorpyrifos
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:

REGISTRATION NO.:Technical,LS94826;EC,LS94827

LICENSE NO.: Technical,HNP42010-A1819;EC,HNP42010-A1296

QUALITY STANDARD NO.: Technical,Q/SND022-94(1998);EC,Q/SND-94(1998)

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.

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:(3G)