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Insecticide

Trichlorfon TC

Chemical Name: dimethyl (2,2,2-trichloro-1-hydroxyethyl)phosphonate.

Formula: C4H8Cl3O4P.

Molecular weight: 257.45.

CAS No. : 52-68-6.

Structure:
Structural formula
Description:
Appearance : White crystalline powder
Melting   Point: 83-84 °C.
Vapour Pressure: 0.30m Pa  at  25°C.
Stability : It is soluble in water (15.4 g/1000 ml  in water at 25°C)and some organic solvents.It hydrolyzes into dichlorvos in alkaline medium.It is umstable at high temperature.
Specification : 97%Tech,80%SP.
Uses: It is a broad spectrum insecticide with stomach poisoning,contact action.It is mainly used on vetetables,fruit trees,tea,mulberry,cotton and rice against various pests,also against public health pests and parasites of domestic animal.In practise,the product has rather better effectiveness on diseases of fish.

 

TRICHLORPHON( 97TC,95TC,90SP,80SP,50SP )
COMMON NAME:Tirchlorphon
CHEMICAL NAME:O,O-dimethyl-(2,2,2-trichloro-l-hydroxyethyl)phosphonate
STRUCTURAL FORMULA:
PHYSICAL AND CHEMICAL PROPERTIES: Pure product is white crystal, m.p.83~84oC.Technical product m.p.78~80oC,d4201.73.It is soluble in water and some organic solvents.It hydrolyzes into dichlorvos in alkaline medium.It is umstable at high temperature.
TOXICITY:Acute oral LD50 of technical to male rats is 630 mg/kg,acute dermal LD50 is more than 2,000 mg/kg.It's no harm to rats for using 500 ppm trichlorphon to feed them for two years.
FPRMULATION AND SPECIFICATION:

 

Super

80 SP

Appearance

white powder

white powder

Trichlorphon

97.0 min

80.0 min

Acidity(as H2SO4),%(m/m)

0.3 max

 

Moisture,%(m/m)

0.4 max

2.0 max

PACKING:For Technical,woven bag lined in plastic bag,25 kg or 250kg iron drum;For 80 SP,1 kg×20 bags/case or 0.5 kg×40 bags/case or in drums,150 kg et weight.
REGISTRATION NO.:Technical,PD84108-9;80 SP,Q/XND021-94(1998)
USES:It is a broad spectrum insecticide with stomach poisoning,contact action.It is mainly used on vetetables,fruit trees,tea,mulberry,cotton and rice against various pests,also against public health pests and parasites of domestic animal.In practise,the product has rather better effectiveness on diseases of fish.
PRECAUTION:
1.It is generally not harmful to crops with a concentration of 0.1%.The product should not apply on corn,apple,sorghum and soybean for it may sause some phytotoxicity.
2.The diluting solution of the product isn't preservative,It should be compounded at the using time.
3.There is a good agricultural practice in the use of pesticide(GB4285-84)for 90% technical product on rice,vegetables,orange and tobacco.Stop applying it ten days before tobacco harvest and seven days before rice and vegetable harvest.
THE SCALE,METHOD AND RECOMMENDATORY RATE OF APPLICATION: (A.I.)


Crop

insects

recommendatory

method of application

rice

borers

2250-3000g/ha

water 400 times,spraying

vegetable

cabbage worm

900-1350g/ha

water 500 times,spraying

orange

leafroller

 

water 1500 times,spraying

tobacco

budworms

 

water 1000 times,spraying

tea

geometrids,slug moth

 

water 1000 times,spraying

tree

den drolimus

 

water 1500 times,spraying

(livestock)

ectoparasite

 

water 400 times,spraying

(fish)

ring-like worm anchor-head-like-flea

0.2-0.3ppm 0.2ppm

put solution into pond put solution into pond,one time a day,contining for 3~4 days

 

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