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Terbufos
Terbufos
- CAS:
- 13071-79-9
- MF:
- C9H21O2PS3
- MW:
- 288.43
Properties
- Melting point:
- -29°C
- Boiling point:
- 69°C (0.01 mmHg)
- Density
- 1.105
- vapor pressure
- 3.46×10-2 Pa (25 °C)
- Flash point:
- 88°C
- storage temp.
- APPROX 4°C
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- form
- Liquid
- color
- Colorless, pale
- Water Solubility
- Insoluble
- Merck
- 13,9233
- BRN
- 1710115
Safety Information
- Symbol(GHS)
GHS06,GHS09
- Signal word
- Danger
- Hazard statements
- H300+H310-H410
- Precautionary statements
- P262-P264-P273-P280-P301+P310-P302+P352+P310
- Hazard Codes
- T+;N,N,T+
- Risk Statements
- 27/28-50/53
- Safety Statements
- 36/37-45-60-61
- RIDADR
- UN 2810
- WGK Germany
- 3
- RTECS
- TD7200000
- HazardClass
- 6.1(a)
- PackingGroup
- I
- HS Code
- 29309090
- Toxicity
- LD50 orally in quail: 15 mg/kg (Hill, Camardese)
Use
Soil. Oxidized in soil to its primary and secondary oxidation products, terbufos sul- foxide and terbufos sulfone, respectively (Bowman and Sans, 1982; Chapman et al., 1982; Wei, 1990). Both metabolites were formed due to micobial activity and chemical oxidation (Chapman et al., 1982). Incubation of terbufos (5 μg/g) in a loamy sand containing Nitrosomonas sp. and Nitrobacter sp. gave terbufos sulfoxide and terbufos sulfone as the primary products. After 2 weeks, the sulfoxide increased the bacterial population >55% and the sulfone increased the fungal population at least 66% (Tu, 1980). The half-life in soil is 9–27 days (Worthing and Hance, 1991).Chemical/Physical. Terbufos and its degradation products terbufos sulfoxide and ter- bufos sulfone followed first-order disappearance in natural, sterilized natural and distilled water at 20°C. In natural and distilled water, the sulfoxide and su
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