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Omethoate (80TC, 40 EC, 50SL)

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COMMON NAME:Omethoate
CHEMICAL NAME:O, O-dimethyl S-methylcarbamoylmethyl phosphorothioate.
STRUCTURAL FORMULA:
 
PHYSICAL AND CHEMICAL PROPERTIES:
Colorless to slightly yellowish oil, b.p. ca. 135°C (decomposes when distilled); v.p. 2.5 × 10 -5 mm Hg at 20°C; volatility at 20°C, 0.29mg/m 3 ; d 20 1.32; n D 20 1.4987; readily soluble in water, alcohol and acetone; slightly soluble in ethyl ether; almost insoluble in petroleum ether. Stability to hydrolysis: half-life period, 611 hours at pH 7 and 24°C. The velocity of decomposition of the active ingredient is essentially greater at higher temperatures or at Ph values 8-10.
TOXICOLOGY:
Acute oral LD 50 to rat is 30-60mg/kg, for mouse 30-40mg/kg; acute dermal LD 50 for rats is 1400mg/kg; Dreathing-in LD 50 for rat is 1520mg/kg 3 hour, TLM for fish (carp) is more than 500 ppm (96 hours).
REGISTRATION NO.:PD84142-10  PD84111-5
SPECIFICATION AND FORMULATION:

Items

EC

Technical

 SL

Content of Omethoate %(m/m)

40.0 min

90 min

50.0min

Moisture,%(m/m)

0.4 max

0.5 max

0.5max

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

0.5 max

0.5 max

0.5max

Emulsion Stability

Qualified

 

Qualified

PACKING:
(1). 40EC, 50SL: 0.5kg×20bottles/case, 0.45kg×20bottles/case; 200kg/drum;or on the client's requirement;
(3). Technical: 200kg/drum, 250kg/drum, or on the client's requirement.
CHARACTERISTICS AND USES:
Omethoate is a broad-spectrum systemic in secticide and acaricide effective against aphids, woolly aphids, trips, sacle insects, caterpillars and beetles, especially on hops, and against wheat bulb fly. It also can be used on cotton, rice, fruit-trees, tobacco and other crops. the recommend at ory rate of it's application is in table followed.

Crop

Insects

Recommendatory rate

Method of application

cotton

aphid,red spider

900-1500g/ha

spraying

rice

borer,trip

900-1500g/ha

spraying

wheat

Aphid

750-1125g/ha

spraying

forest

den drolimus

water 500 times

spraying or smear trunk

remarks

water 70-100kg when spraying

PRECAUTION:
1.Do not mix with alkline substance.
2.Send to the hospital whenever poisoned symptoms found, can be used.
3.Stored in normal condition, the period of guarantee quality is two years.

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