Melting point :>300 °C(lit.)
Boiling point :437.66°C (rough estimate)
Density :1.8324 (rough estimate)
refractive index :1.7610 (estimate)
storage temp. :Sealed in dry,Room Temperature
Water Solubility :Completely soluble in water
form :powder to crystal
pka :pK1: 0.68;pK2: 2.21;pK3: 3.52;pK4: 5.09;pK5: 6.32; pK6: 7.49 (25°C)
color :White to Light yellow
Merck :14,5825
BRN :2228443

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:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.