Melting point :60 °C(lit.)
Density :2.43 g/mL at 25 °C(lit.)
storage temp. :2-8°C
solubility :H₂O: 0.5 M at 20 °C, clear, orange
form :powder and chunks
Specific Gravity :2.43
color :orange
Water Solubility :Soluble in water, ethanol, ether, ethyl acetate and acetone. Insoluble in nitric acid.
Sensitive :Hygroscopic
Merck :14,7526
Exposure limits :ACGIH: TWA 0.002 mg/m3
NIOSH: IDLH 4 mg/m3; TWA 0.002 mg/m3 CAS DataBase Reference :26023-84-7(CAS DataBase Reference)

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 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.