Terbufos
| Names | |
|---|---|
| Preferred IUPAC name
S-[(tert-Butylsulfanyl)methyl] O,O-diethyl phosphorodithioate | |
Other names
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| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.032.679 |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C9H21O2PS3 | |
| Molar mass | 288.42 g·mol−1 |
| Appearance | clear, colorless to pale yellow or reddish-brown liquid |
| Density | 1.105 g/mL (at 24 °C) |
| Melting point | −29.2 °C (−20.6 °F; 244.0 K) |
| Boiling point | 69 °C (156 °F; 342 K) |
| < 1 mg/mL | |
| Solubility | Freely soluble in organic compounds |
| Vapor pressure | 0.0003 mmHg |
| Hazards | |
| GHS labelling: | |
| Danger | |
| H227, H300, H310, H330, H361, H370, H372, H410 | |
| P201, P202, P210, P233, P235, P260, P262, P264, P270, P271, P273, P280, P281, P284, P301, P302, P304, P307, P308, P310, P311, P313, P314, P320, P321, P322, P330, P340, P350, P361, P363, P370, P378, P391, P403, P405, P501 | |
| NFPA 704 (fire diamond) | |
| Flash point | 88 °C (190 °F; 361 K) |
| Lethal dose or concentration (LD, LC): | |
LD50 (median dose) |
Rat (male), Oral LD50 = 13 mg/kg
Rat (female), Oral LD50 = 8 mg/kg Rat (male), Dermal LD50 = 123 mg/kg Rat (female), Dermal LD50 = 71 mg/kg |
LC50 (median concentration) |
Rat (male), Inhalation (4 hr): 0.017 mg/L
Rat (female), Inhalation(4 hr): 0.015 mg/L Rat (male), Inhalation (1 hr calculated): 0.068 mg/L Rat (female), Inhalation (1 hr): 0.06 mg/L |
| NIOSH (US health exposure limits): | |
PEL (Permissible) |
0 ppm |
REL (Recommended) |
0 ppm |
| Safety data sheet (SDS) | |
| Pharmacology | |
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| Pharmacokinetics: | |
| Urine (86.9 - 96 %) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
Terbufos is a chemical compound used in insecticides and nematicides. It is part of the chemical family of organophosphates. It is a clear, colourless to pale yellow or reddish-brown liquid and sold commercially as granulate.