| Melting point |
42-44°C |
| Boiling point |
200°C |
| Density |
1.398 |
| vapor pressure |
5.03 x 10-5 mmHg at 25 °C (subcooled liquid vapor pressure calculated from GC retention time data,Hinckley et al., 1990) |
| Flash point |
2 °C |
| storage temp. |
APPROX 4°C |
| solubility |
(At 25 °): 6.5, 7.9, 6.3, and 0.45 kg/kg in acetone, benzene, chloroform, and methanol, respectively
(Worthing and Hance, 1991) |
| pka |
-5.28±0.10(Predicted) |
| form |
solid |
| color |
White to off-white |
| Water Solubility |
Insoluble. 0.00013 g/100 mL |
| Merck |
13,2208 |
| BRN |
1545756 |
| Henry's Law Constant |
8.19 at 5 °C, 20.7 at 15 °C, 22.7 at 20 °C, 35.5 at 25 °C, 146 at 35 °C:in 3% NaCl solution: 32.3
at 5 °C, 82.9 at 15 °C, 301 at 25 °C, 535 at 35 °C (gas stripping-GC, Cetin et al., 2006) |
| Exposure limits |
OSHA PEL: TWA 0.2 mg/m3, STEL 0.6 mg/m3; ACGIH TLV: TWA
0.2 mg/m3, STEL 0.6 mg/m3 |
| Stability |
Stable. Incompatible with strong oxidizing agents. |
| InChIKey |
SBPBAQFWLVIOKP-UHFFFAOYSA-N |
| LogP |
5.21 at 20℃ |
| CAS DataBase Reference |
2921-88-2(CAS DataBase Reference) |
| NIST Chemistry Reference |
o,o-Diethyl-o-(3,5,6-trichloro-2-pyridyl)phosphorothioate(2921-88-2) |
| EPA Substance Registry System |
Chlorpyrifos (2921-88-2) |
