Insecticide Pesticide Larvicide 50% Ec 1%Sg Insecticide Temephos

Common name: Temephos

Product category: Insecticide

Chemical name: O,O,O',O'-tetramethylO,O'-thiodi-p-phenylenebis(phosphorot-hioate),

CAS No: 3383-96-8

Molecular formula: C₁₆H₂₀O₆P₂S₃

Density: 1.4g/cm³

Melting Point: 30.0-30.5°C

Boiling Point: 518.5°C at 760 mmHg

Flash Point: 267.4°C

Solubility: In water 0.03 mg/l (25 °C). Soluble in commonganic solvents such as diethyl ether, aromatic chlorinated hydrocarbons. In hexane 9.6 g/l.

Stability: Hydrolysed by strong acids alkalis (optimum stability is at pH 5 to pH 7).

1. emephos is an organophosphate (OP) pesticide registered by EPA in 1965 to control 

    mosquito larvae, and it is the only organophosphate with larvicidal use.                         

2. It is an important resistance management tool for mosquito control programs; 

   its use helps prevent mosquitoes from developing resistance to the bacterial larvicides.

3. Temephos is used in areas of standing water, shallow ponds, swamps, marshes, 

     and intertidal zones. 

4. It may be used along with other mosquito control measures in an IPM program. 

    Abate is the trade name of the temephos product used for mosquito control. 

5. Temephos is applied most commonly by helicopter but can be applied by backpack 

   sprayers, fixed-wing aircraft, and right-of way sprayers 

    in either liquid or granular form.

ITEM OF TEST

SPECIFICATION

RESULT

APPEARANCE

Brown liquid

Brown liquid

CONTENT

90.0% MIN

90.2%

WATER

0.2% MAX

0.1%

ACIDITY

0.2% MAX

0.08%

ITEM OF TEST

SPECIFICATION

RESULTS OF TEST

APPEARANCE

BROWN OR YELLOW TRANSPARENT

OILY LIQUID

BROWN TRANSPARENT OILY

LIQUID

CONTENT %

50%

50.2%

WATER  %

0.4 MAX

0.1

PH

5-8

6.4

EMULSION STABILITY

CONFORM

CONFORM

CONCLUSION

                         QUALIFIED