포노포스 C화학적 특성, 용도, 생산
화학적 성질
Fonofos is a highly toxic compound. It is sparingly soluble in water, but soluble in acetone, ethanol, xylene, and kerosene. It has been grouped by the US EPA under RUP and hence requires special handling by qualifi ed, certifi ed, and trained workers. Fonofos was used as a soil insecticide, which resulted in its direct release to the environment. It was primarily used on corn crops, sugar cane, peanuts, tobacco, turf, and some vegetable crops. It controls aphids, corn borer, corn root-worm, corn wire-worm, cutworms, white grubs, and some maggots. Formulations of fonofos include granular, microgranular, emulsifi able concentrate, suspension concentrate, microcapsule suspension, and for seed treatment
용도
Fonofos is used to control soil insects in a number of crops and in
turf.
일반 설명
Light-yellow liquid with a pungent mercaptan-like odor. Used primarily as an insecticide for corn.
공기와 물의 반응
Very slightly soluble in water.
반응 프로필
Organothiophosphates, such as FONOFOS, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides. It is sparingly soluble in water but soluble in acetone, ethanol, xylene, and kerosene.
위험도
Cholinesterase inhibitor.
건강위험
FONOFOS is a cholinesterase inhibitor. It can cause severe symptoms and death from respiratory arrest.
화재위험
When FONOFOS is heated to decomposition, FONOFOS can emit highly toxic fumes of phosphorus oxides.
농업용
Insecticide: It is a soil organophosphate insecticide primarily
used on corn. It was also used on maize, cereals, sorghum,
fruit, olives, potatoes, sugar cane, peanuts, tobacco, turf,
and some vegetable crops. It controls aphids, corn borer,
corn rootworm, corn wireworm, cutworms, white grubs,
symphylins, and other soil pests including some maggots. It was available in granular, microgranular, emusifiable concentrate, suspension concentrate, microcapsule
suspension, and seed treatment. Not registered for use
in the U.S. or in EU countries. There are 16 global
suppliers.
상품명
CAPFOS®; CUDGEL®; DIFONATE®;
DYFONATE®[C]; DYPHONATE®; DOUBLE DOWN®;
STAUFFER-2790
Safety Profile
Poison by ingestion and
skin contact. An insecticide. When heated to
decomposition it emits very toxic fumes of POx and SOx.
잠재적 노출
A potential danger to those involved
in the manufacture, formulation and application of this soil
insecticide which is used for control of corn rootworms,
wireworms, cutworms, symphylins, and other soil pests.
Incompatibilities: Strong acids, alkalies.
환경귀착
Soil. The half-life for fonofos in soil incubated in the laboratory under aerobic conditions ranged was 25 days (Lichtenstein et al., 1977). In field soils, the half-lives for fonofos ranged from 24 to 102 days (Kiigemgi and Terriere, 1971; Schulz and Lichtenstein, 1971; Mathur et al., 1976; Talekar et al., 1977).
Plant. In plants, fonofos is oxidized to the phosphonothioate (Hartley and Kidd, 1987). Oat plants were grown in two soils treated with [14C]fonofos. Most of the residues remained bound to the soil. Less than 2% of the applied [14C]fonofos was re
Chemical/Physical. The hydrolysis half-lives of fonofos in a sterile 1% ethanol/water solution at 25°C and pH values of 4.5, 5.0, 6.0, 7.0 and 8.0, were 87, 50, 41, 22 and 6.9 weeks, respectively (Chapman and Cole, 1982). Emits toxic nitrogen and
신진 대사 경로
The metabolism of fonofos in plants and animals follows similar pathways,
with both activation and degradative steps occurring as primary
metabolic events. The former involves oxidative desulfuration to the
active acetylcholinesterase inhibitor fonofos oxon. The oxon is hydrolysed
rapidly in most biological systems and the resulting thiophenol is very
rapidly metabolised via S-methylation, thiooxidation, ring hydroxylation
and conjugation.
운송 방법
UN2783 Organophosphorus pesticides, solid,
toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
폐기물 처리
This phosphono compound is
reported to be satisfactorily decomposed by hypochlorite.
In accordance with 40CFR165, follow recommendations
for the disposal of pesticides and pesticide containers. Must
be disposed properly by following package label directions
or by contacting your local or federal environmental control
agency, or by contacting your regional EPA office.
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