Melting point :≥300 °C
Boiling point :373.64°C (rough estimate)
Density :1.9 g/cm³
vapor pressure :4.66 at 25 °C (Banerjee et al., 1990)
refractive index :1.630 (589.3 nm)
Flash point :11 °C
storage temp. :APPROX 4°C
solubility :Soluble in ethanol, benzene, and chloroform (Weast, 1986)
form :Solid
Water Solubility :0.24mg/L(25 ºC)
BRN :1907338
Henry's Law Constant :0.53 at 5 °C, 0.91 at 10 °C, 2.17 at 20 °C, 5.23 at 30 °C, 8.68 at 35 °C:in 3% NaCl solution: 1.09 at 5 °C, 1.48 at 15 °C, 2.76 at 25 °C, 4.24 at 35 °C (dynamic headspace-GC, Sahsuvar et al., 2003
EPA Substance Registry System :.beta.-Hexachlorocyclohexane (319-85-7)

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 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:	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. 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.