Melting point :300 °C
Density :3.1 g/mL at 25 °C (lit.)
vapor density :6.2 (vs air)
storage temp. :Store at +5°C to +30°C.
solubility :slightly soluble in H2O; soluble in alkaline solutions
form :white powder
Specific Gravity :3.1
color :White powder
Odor :Odorless
PH :3.46(1 mM solution);2.94(10 mM solution);2.43(100 mM solution)
Water Solubility :70 g/l (20 ºC)
Merck :13,6263
Exposure limits :ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 1000 mg/m3 CAS DataBase Reference :7782-91-4(CAS DataBase Reference)
EPA Substance Registry System :Molybdate (MoO42-), dihydrogen, (T-4)- (7782-91-4)

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 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.