Terbufos supplier | CasNO.13071-79-9

Name
Terbufos
EINECS 235-963-8
CAS No. 13071-79-9
Density 1.105
Solubility Insoluble
Melting Point -29 ºC
Formula C9H21 O2 P S3
Boiling Point 69 ºC (0.01 mmHg)
Molecular Weight 288.436
Flash Point 88 ºC
Transport Information UN 2810
Appearance Technical product is a clear, colorless to pale yellow liquid.
Safety Deadly poison by ingestion and skin contact. An insecticide. When heated to decomposition it emits very toxic fumes of SO_x and PO_x. See also ESTERS.
Risk Codes R27/28;R50/53
Molecular Structure
Hazard Symbols
Synonyms Phosphorodithioicacid, S-[(tert-butylthio)methyl] O,O-diethyl ester (6CI,7CI,8CI); Methanethiol,(tert-butylthio)-, S-ester with O,O-diethyl phosphorodithioate (8CI); AC 92100;Counter; Counter 15G; Cyanater; O,O-Diethyl S-(tert-butylthio)methylphosphorodithioate; O,O-Diethyl S-[[(1,1-dimethylethyl)thio]methyl]phosphorodithioate; S-[(tert-Butylthio)methyl] O,O-diethyl phosphorodithioate;Terbufos; Terbuphos; Terbutifos
PSA 110.96000
LogP 5.15690

Terbufos Chemical Properties

Molecular Formula: C₉H₂₁O₂PS₃
Molar mass: 288.4306 g/mol
EINECS: 202-353-8
Density: 1.154 g/cm³
Flash Point: 132.3 °C
Index of Refraction: 1.531
Boiling Point: 319.6 °C at 760 mmHg
Vapour Pressure: 0.000628 mmHg at 25°C
Melting point: -29°C
Storage temp: Approx 4°C
Water solubility: Insoluble
Appearance: clear and colorless to pale yellow liquid
Product categories: Insecticides;Nematicides Pesticides;Alpha sort;Organophorous Alphabetic;Pesticides & Metabolites Specific;Organophorous Pesticides & Metabolites;Q-ZAlphabetic;European Community: ISO and DIN
Structure of Terbufos (13071-79-9):

XLogP3-AA: 4.5
H-Bond Donor: 0
H-Bond Acceptor: 2
Systematic Name: Tert-butylsulfanylmethylsulfanyl-diethoxy-thioxo-phosphorane
SMILES: S=P(OCC)(SCSC(C)(C)C)OCC
InChI: InChI=1/C9H21O2PS3/c1-6-10-12(13,11-7-2)15-8-14-9(3,4)5/h6-8H2,1-5H3
InChIKey: XLNZEKHULJKQBA-UHFFFAOYAH
Std. InChI: InChI=1S/C9H21O2PS3/c1-6-10-12(13,11-7-2)15-8-14-9(3,4)5/h6-8H2,1-5H3
Std. InChIKey: XLNZEKHULJKQBA-UHFFFAOYSA-N

Terbufos Uses

Terbufos (13071-79-9) is used as a soil insecticide.

Terbufos Toxicity Data With Reference

1.	orl-rat LD50:1600 µg/kg	MEIEDD Merck Index. 10 (1983),1310.
2.	orl-mus LD50:3500 µg/kg	FMCHA2 Farm Chemicals Handbook .(Meister Publishing, 37841 Euclid Ave.,Willoughy, OH.: 44094)1983,C63.
3.	orl-dog LD50:4500 µg/kg	FMCHA2 Farm Chemicals Handbook .(Meister Publishing, 37841 Euclid Ave.,Willoughy, OH.: 44094)1983,C63.
4.	skn-rbt LD50:1100 µg/kg/24H	FMCHA2 Farm Chemicals Handbook .(Meister Publishing, 37841 Euclid Ave.,Willoughy, OH.: 44094)1983,C63.
5.	orl-qal LD50:15 mg/kg	EESADV Ecotoxicology and Environmental Safety. 8 (1984),551.

Terbufos Consensus Reports

EPA Genetic Toxicology Program. EPA Extremely Hazardous Substances List.

Terbufos Safety Profile

Deadly poison by ingestion and skin contact. An insecticide. When heated to decomposition it emits very toxic fumes of SO_x and PO_x. See also ESTERS.

Hazard Codes: T+;N,
Risk Statements:
27: Very Toxic in contact with skin
28: Very Toxic if swallowed
50: Very Toxic to aquatic organisms
53: May cause long-term adverse effects in the aquatic environment
Safety Statements:
36: Wear suitable protective clothing
37: Wear suitable gloves
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60: This material and/or its container must be disposed of as hazardous waste
61: Avoid release to the environment. Refer to special instructions safety data sheet

Terbufos Standards and Recommendations

ACGIH TLV: TWA 0.01 mg/m³ (skin); Not Classifiable as a Human Carcinogen

Terbufos Specification

Terbufos (13071-79-9) also can be called Counter ; O,O-Diethyl-S-{[(2-methyl-2-propanyl)sulfanyl]methyl}dithiophosphat ; Dithiophosphate de O,O-diéthyle et de S-{[(2-méthyl-2-propanyl)sulfanyl]méthyle} and Phosphorodithioic acid, S-[(tert-butylthio)methyl] O,O-diethyl ester .

Product Name

Terbufos