Melting point :235 °C (dec.)(lit.)
Boiling point :2262°C
Density :1.2171 (rough estimate)
refractive index :1.6110 (estimate)
storage temp. :room temp
solubility :Soluble in water, ethanol, acetone, methyl cellosolve, xylene; practically insoluble in Ibenzene
Colour Index :11270
form :Crystalline Powder
color :Bordeaux to deep purple
PH Range :Orange (4.0) to yellow (7.0)
Odor :Odorless
λmax :449nm
Merck :13,2279
BRN :3724653
Major Application :Recording materials, waveguides, thin solid films, photographic materials, printing plates, inks, toners, detergents, corrosion inhibitors, rubber, textiles, hair dyes
InChIKey :MCTQNEBFZMBRSQ-GEEYTBSJSA-N
CAS DataBase Reference :532-82-1(CAS DataBase Reference)
IARC :3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System :C.I. Basic Orange 2, monohydrochloride (532-82-1)

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 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 H341 Suspected of causing genetic defects Germ cell mutagenicity 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:	P201 Obtain special instructions before use. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P308+P313 IF exposed or concerned: Get medical advice/attention.