ALPHA-HCH

Melting point :156-161 °C(lit.)
Boiling point :373.64°C (rough estimate)
Density :1.9 g/cm³
vapor pressure :173 at 25 °C (subcooled liquid vapor pressure calculated from GC retention time data, Hinckley etal., 1990)
refractive index :1.60-1.626 (589.3 nm 20℃)
Flash point :11 °C
storage temp. :APPROX 4°C
solubility :Soluble in ethanol, benzene, chloroform (Weast, 1986), cod liver oil, and octanol (Montgomery, 1993)
form :Solid
color :White
Water Solubility :2mg/L(25 ºC)
BRN :7073451
Henry's Law Constant :0.888 at 5 °C, 1.58 at 15 °C, 2.27 at 20 °C, 2.96 at 25 °C, 6.02 at 35 °C:in 3% NaCl solution: 1.48 at 5 °C, 2.76 at 15 °C, 5.23 at 25 °C, 7.20 at 35 °C (gas stripping-GC, Cetin et al., 2006)
Stability :Stable. Incompatible with strong oxidizing agents.
EPA Substance Registry System :.alpha.-Hexachlorocyclohexane (319-84-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H312 Harmful in contact with skin Acute toxicity,dermal Category 4 Warning P280,P302+P352, P312, P322, P363,P501 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P352 IF ON SKIN: wash with plenty of soap and water. P308+P313 IF exposed or concerned: Get medical advice/attention. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P330 Rinse mouth. P391 Collect spillage. Hazardous to the aquatic environment P405 Store locked up. P501 Dispose of contents/container to..…