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3383-96-8

Supplier Related Products Identification Chemical Properties Hazard Information Safety Data Material Safety Data Sheet(MSDS) Well-known Reagent Company Product Information

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Identification

Name
O,O,O',O'-Tetramethyl O,O'-(thiodi-4,1-phenylene) phosphorothioate
CAS
3383-96-8
Synonyms
ABAPHOS(R)
ABATE
ABATE (TM)
ABATHION(R)
AC 52160
BIOTHION(R)
NIMITEX(R)
O,O,O',O'-Tetramethyl O,O'-(thiodi-4,1-phenylene) phosphorothioate
O,O,O',O'-TETRAMETHYL-O,O'-(THIODI-P-PHENYLENE)DIPHOSPHOROTHIOATE
O,O,O',O'-TETRAMETHYL-O,O'-THIO-DI-P-PHENYLENE PHOSPHOROTHIOATE
phosphorothioic acid o,o'-(thiodi-4,1-phenylene) o,o,o',o'-tetramethyl ester
SWEBATE(R)
TEMEGUARD
TEMEPHOS
Temophos
TETRAFENPHOS
abaphos
Abat
Abate 1-SG, 2-CG, 4-E, 5CG
abate4-e
EINECS(EC#)
222-191-1
Molecular Formula
C16H20O6P2S3
MDL Number
MFCD00128034
Molecular Weight
466.47
MOL File
3383-96-8.mol

Chemical Properties

Description
Abate is the trade name for Temephos, the known organophosphate larvicide. Abate is used to treat water infested with disease-carrying fleas and control mosquito, midge, and black fly larvae. Abate quickly controls mosquito and other insect populations because it kills insect larvae before they mature, and the residual activity of abate prevents insect populations. On decomposition, abate produces oxides of carbon, phosphorous, and sulphur. Exposures to abate in workplaces cause adverse health effects (refer to Temephos for details).
mp 
30-31°C
storage temp. 
2-8°C
Water Solubility 
0.003 g/100 mL
Merck 
13,9214
CAS DataBase Reference
3383-96-8(CAS DataBase Reference)
NIST Chemistry Reference
Temefos(3383-96-8)
EPA Substance Registry System
3383-96-8(EPA Substance)

Hazard Information

Chemical Properties
Abate is the trade name for Temephos, the known organophosphate larvicide. Abate is used to treat water infested with disease-carrying fl eas, to control mosquito, midge, and black fl y larvae. Abate quickly controls mosquito and other insect populations because it kills insect larvae before they mature, and the residual activity of abate prevents further insect populations. On decomposition, abate produces oxides of carbon, phosphorous, and sulfur.
Chemical Properties
Temephos is a solid at room temperature and is composed of colorless crystals. As a liquid, it is brown and viscous. Temephos is a non-systemic insecticide. It is insoluble in water, hexane, and methyl cyclohexane, but soluble in common organic solvents. It is combustible and the liquid formulations contain organic solvents that may be flammable. Temophos decomposes on heating or burning, producing toxic fumes such as phosphorus oxides and sulfur oxides. Temephos reacts with strong acids and strong bases. The US EPA has grouped temephos as a GUP. Temephos is used for the control of mosquito, midge, and black fl y larvae. It is used in lakes, ponds, and wetlands. It may also be used to control fl eas on dogs and cats and to control lice on humans.
General Description
White crystalline solid or liquid. Boiling point 87°F. Used as an insecticide. Technical grade is a viscous brown liquid.
Reactivity Profile
Organothiophosphates 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.
Health Hazard
to avoid contamination of water, food, or feed, abate should be stored in a secure, dry,
Health Hazard
Exposures to high concentrations of temephos for a prolonged period of time cause poisoning to occupational workers. The symptoms include, but are not limited to, nausea, salivation, headache, loss of muscle coordination, and diffi culty breathing. Workers exposed to a combination of temephos and malathion suffer potentiation of toxicity of temephos. Exposures to granules of temephos formulation may cause irritation. Prolonged and repeated skin contact may cause irritation. Inhalation may cause respiratory irritation and chemical pneumonities. There are no reports on the prolonged effects of temephos.

Safety Data

Hazard Codes 
Xn,N
Risk Statements 
R21/22:Harmful in contact with skin and if swallowed .
R51/53:Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S22:Do not breathe dust .
S37:Wear suitable gloves .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
S60:This material and/or its container must be disposed of as hazardous waste .
RIDADR 
UN 3077
RTECS 
TF6890000
storage
During use and handling of abate, occupational workers/applicators should wear long- sleeved shirts, long pants, shoes, and socks, chemical-resistant gloves, and protective eyewear, goggles, or safety glasses. Flaggers must wear chemical-resistant headgear and protective eyewear.
Safety Profile
Posion by ingestion Moderately toxic by intraperitoneal, subcutaneous, and skin contact routes. An experimental teratogen. A skin irritant. A cholinesterase inhibitor type of insecticide. When heated to decomposition it emits toxic fumes of POx and SOx. See also PARATHION,
Hazardous Substances Data
3383-96-8(Hazardous Substances Data)

Material Safety Data Sheet(MSDS)

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