Melting point :117～123℃
Boiling point :342.09°C (rough estimate)
Density :1.1390
vapor pressure :0Pa at 25℃
refractive index :1.5000 (estimate)
solubility :Acetonitrile (Slightly), Chloroform (Slightly), Methanol (Slightly)
form :Solid
pka :3.11±0.10(Predicted)
color :Red to Very Dark Brown
Water Solubility :348.393mg/L at 30℃
LogP :2.715 at 25℃
CAS DataBase Reference :495-54-5
EPA Substance Registry System :C.I. Solvent Orange 3 (495-54-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger 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. P281 Use personal protective equipment as required. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. P308+P313 IF exposed or concerned: Get medical advice/attention. P321 Specific treatment (see … on this label). P330 Rinse mouth. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P362 Take off contaminated clothing and wash before reuse. P391 Collect spillage. Hazardous to the aquatic environment P405 Store locked up. P501 Dispose of contents/container to..…