Melting point :113 °C (lit.)
Boiling point :184 °C (lit.)
Density :1.32 g/mL at 25 °C
vapor density :9 (vs air)
vapor pressure :0.31 mm Hg ( 25 °C)
Flash point :<10℃
storage temp. :Store at RT.
solubility :Miscible with chloroform, carbon tetrachloride, carbon disulfide, cyclohexane, methanol, ethyl acetate, toluene, benzene, n-hexane, butan-2-ol, bromoethane, n-heptane, glycerol and diethyl ether.
form :particles (round)
color :Red-brown
Specific Gravity :4.93
Odor :Sharp, characteristic odor
PH :5.4 (H2O)(saturated solution)
Resistivity :1.3E15 μΩ-cm
Water Solubility :0.3 g/L (20 ºC)
Crystal Structure :Rhombic
Merck :14,5014
BRN :3587194
Exposure limits :Ceiling 0.1 ppm (～1mg/m³) (ACGIH, MSHA, OSHA, and NIOSH); IDLH 10 ppm (NIOSH).
InChIKey :PNDPGZBMCMUPRI-UHFFFAOYSA-N
LogP :2.49 at 20℃
CAS DataBase Reference :7553-56-2(CAS DataBase Reference)
NIST Chemistry Reference :
EPA Substance Registry System :

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P314 Get medical advice/attention if you feel unwell.