Melting point :325 °C (dec.)(lit.)
Density :2.975 g/mL at 25 °C(lit.)
solubility :very soluble in H2O
form :Powder
Specific Gravity :3.15
color :Yellow to brown
Water Solubility :Soluble in water (blue color), acetone (deep green color), and glacial acetic acid (blue-green color)
Sensitive :Moisture Sensitive
Exposure limits :ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3; Ceiling 0.05 mg/m3 CAS DataBase Reference :10049-16-8(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Warning
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
Precautionary statements:	P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P312 Call a POISON CENTER or doctor/physician if you feel unwell.