Melting point :100°C (dec.)
Boiling point :1473°C
Density :5.5 g/mL at 25 °C (lit.)
refractive index :2.24
Flash point :1473°C
storage temp. :Sealed in dry,Room Temperature
solubility :insoluble in H2O, acid solutions; soluble in alkaline solutions
form :powder
color :Yellow to yellow-greenish
Specific Gravity :5.5
Water Solubility :insoluble
Merck :14,9818
Exposure limits :ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 Stability :Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference :7783-03-1(CAS DataBase Reference)
NIST Chemistry Reference :Tungstic acid(7783-03-1)
EPA Substance Registry System :Tungstate (WO42-), dihydrogen, (T-4)- (7783-03-1)

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.