SPECTRUM

Chemical Fact Sheet

Chemical Abstract Number (CAS #) 22248799
CASRN 22248-79-9
SynonymsTetrachlorvinphos
Gardona
Stirofos
Phosphoric acid, 2-chloro-1-(2,4,5-trichlorophenyl) vinyl dimethyl ester
Rabon
Appex
Analytical Method EPA Method 8141
Molecular FormulaC10H9Cl4O4P

Link to the National Library of Medicine's Hazardous Substances
Database for more details on this compound.

Use INSECTICIDE FOR LIVESTOCK, POULTRY, & LIVESTOCK PREMISES Insecticide for crop control Medication (Vet) The additive 2-chloro-1-(2,4,5-trichlorophenyl) vinyl dimethylphosphate may be safely used in accordance with the following prescribed conditions: (a) used as a feed additive in feed of beef, dairy cattle, and horses at 0.00015 lb (0.07 g) and swine at 0.00011 lb (0.05 g)/100 lb of bw/day; (b) used for control of fecal flies on manure of treated cattle, horses, and swine. (c) to assure safe use of the additive, the label and labeling of pesticide formulation containing the feed additive shall conform to the label and labeling registered by the US EPA. RECOMMENDED FOR PROTECTION AGAINST STORED PRODUCT PESTS (EG FLOUR BEETLES, WEEVILS, GRAIN MOTHS), FABRIC PESTS & FORESTRY PESTS. FOR CROP CONTROL, EFFECTIVE AGAINST CODLING MOTH, PEACH TWIG BORER, MEDITERRANEAN FRUIT FLY, CABBAGE WORMS, DIAMOND-BACK MOTH, COLORADO BEETLE & RICE PESTS. SELECTIVE INSECTICIDE CONTROLLING: LEPIDOPTEROUS & DIPTEROUS PESTS OF FRUIT; LEPIDOPTEROUS PESTS OF RICE, & OF COTTON & MAIZE; LEPIDOPTEROUS PESTS OF VEGETABLES & OF TOBACCO. WITH CERTAIN EXCEPTIONS, IT DOES NOT EXHIBIT HIGH ACTIVITY AGAINST HEMIPTEROUS INSECTS & OTHER SUCKING PESTS. IT IS USED AGAINST FLIES IN DAIRIES & LIVESTOCK BARNS & AGAINST PESTS OF STORED PRODUCTS. IT IS ALSO USED FOR PASTURE & FORESTRY. USED EXPTL TO CONTROL EXTERNAL PARASITES ON CATTLE & POULTRY (ESP NORTHERN FOWL MITE), SINCE RAPIDLY ELIMINATED. CONCN OF 24-36 PPM IN FEED OF DAIRY CATTLE FOR 1 WK GIVE MANURE FLY LARVAE CONTROL WITHOUT MILK CONTAMINATION. USE OF MICROSCOPIC ENCAPSULATED MATERIAL IS NOW BEING EXPLORED 0.45% SPRAY AGAINST TICKS.
Apparent Color Off-white crystalline solid
Melting Point 97-98 DEG C
Molecular Weight 365.95
Environmental Fate Terrestrial fate: Tightly bound to organic matter in soil and considered immobile. If the compound is applied to land the main route to water will probably be through soil particles washed down because of heavy precipitation or water from melting snow or ice.

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