Melting point :100°C (dec.)
Density :2.39
vapor pressure :1 mm Hg ( 100 °C)
storage temp. :Store at +15°C to +25°C.
solubility :water: soluble0.5g/10 mL, clear, colorless
form :Solid
Specific Gravity :2.398
color :White To Light Yellow
PH :2.5 (50g/l, H2O, 20℃)
Odor :Odorless
PH Range :2.5 - 3.5
Water Solubility :477 g/L (20 ºC)
Sensitive :Moisture Sensitive
Merck :14,337
Exposure limits :NIOSH: TWA 2 mg/m3
Stability :Stable, but may decompose upon exposure to moist air or water. Incompatible with acids.Note that decomposition of the anhydrous product, possibly caused by moisture leaking into the container or being trapped within it, may cause a pressure rise in a sealed container, potentially leading to explosive rupture.
LogP :-1.380 (est)
CAS DataBase Reference :7784-13-6(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. 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.