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| CHEMICAL
NAME: |
O,O-diethyl
O-2-quinoxalinyl phosphorothioate (CAS). |
| CAS NO.: |
13593-03-8 |
| CLASS: |
Organophosphate, quinoxaline. |
| PROPERTIES: |
Made by the reaction of ophenylenediamine,
chloroacetic acid & O,O-diethyl phosphorochloridothioate;
pure compound is a colorless crystalline solid. Melting
point 31¡ã-32¡ãC, boiling at 142¡ãC at 3.10-4 Torr under
decomposition, vapor pressure 3 x 10-6 Torr at 20¡ãC; specific
gravity d 20/4¡ãC = 1.235, refractive index 1.5624 (supercooled
melt). It is stable under ambient storage conditions,
when diluted in nonpolar organic solvents, and in presence
of stabilizing agents. Susceptible to hydrolysis.
Half-life periods in aqueous buffer systems at 24¡ãC, 56
days at pH 5, 40 days at pH 7, 30 days at pH 9. Soluble
in toluene, xylene, and other aromatic hydrocarbons, diethyl
ether, ethylacetate, acetone, acetonitrile, methanol,
and ethanol slightly soluble in light petroleum. |
| ACTION: |
Acaricide, insecticide. |
| USE: |
For many insect pests belonging to the
orders Coleoptera, Diptera, Hemiptera, Lepidoptera, etc.
For caterpillars on vegetables, ground nuts, and cotton,
as well as scales and caterpillars on fruit trees. |
| FORMULATIONS: |
Emulsifiable concentrate,
ULV, granular, dust, wettable powder.Environmental Guidelines |
| SOLUBILITY (IN WATER): |
22 ppm at 24¡ãC. |
| TOXICITY: |
(Rat): Oral LD50 71 mg/kg.
Dermal 1750 mg/kg. |
| TOXICITY CLASS: |
II |
| HANDLING/STORAGE
CAUTIONS: |
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