A7703612
1,2,3,4-Tetrachlorobenzene , StandardforGC , 634-66-2
CAS NO.：634-66-2
Empirical Formula: C6H2Cl4
Molecular Weight: 215.89
MDL number: MFCD00000538
EINECS: 211-214-0
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 44 °C |
| Boiling point: | 254 °C761 mm Hg(lit.) |
| Density | 1,73 g/cm3 |
| vapor pressure | 1.5 (extrapolated from vapor pressures determined at higher temperatures, Tesconi andYalkowsky, 1998) |
| refractive index | 1.5348 (estimate) |
| Flash point: | >230 °F |
| storage temp. | APPROX 4°C |
| solubility | 0.0028g/l |
| form | chunks |
| color | White crystals or needles |
| Water Solubility | 5.92mg/L(25 ºC) |
| BRN | 1910025 |
| Henry's Law Constant | 3.6 at 10 °C (Koelmans et al., 1999) |
| Dielectric constant | 3.2000000000000002 |
| CAS DataBase Reference | 634-66-2(CAS DataBase Reference) |
| EPA Substance Registry System | 1,2,3,4-Tetrachlorobenzene (634-66-2) |
Description and Uses
Component of dielectric fluids, synthesis.
Safety
| Symbol(GHS) |   GHS07,GHS09 |
| Signal word | Warning |
| Hazard statements | H302-H410 |
| Precautionary statements | P264-P270-P273-P301+P312-P391-P501 |
| Hazard Codes | Xn,T,F |
| Risk Statements | 22-39/23/24/25-23/24/25-11 |
| Safety Statements | 22-24/25-45-16-7-36/37 |
| RIDADR | 3077 |
| WGK Germany | 3 |
| RTECS | DB9440000 |
| HS Code | 29039990 |
| Hazardous Substances Data | 634-66-2(Hazardous Substances Data) |
| Toxicity | Acute oral LD50 for rats 1,167 mg/kg (quoted, RTECS, 1985). |
