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7782-91-4

Name Molybdic acid
CAS 7782-91-4
EINECS(EC#) 231-970-5
Molecular Formula H2MoO4
MDL Number MFCD00010882
Molecular Weight 161.95
MOL File 7782-91-4.mol
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Chemical Properties

Definition Molybdic acid of commerce iseither ammonium molybdate (molybdic acid 85%)or molybdenum trioxide. The use of the term inter-changeably for these compounds has caused con-fusion. Solutions of molybdic acid are very com-plex chemically since they show a great tendencyto polymerize.
Appearance white to slightly yellow powder
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
color  White powder
Specific Gravity 3.1
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 7782-91-4(EPA Substance)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S24/25:Avoid contact with skin and eyes .
S22:Do not breathe dust .
WGK Germany  3
TSCA  Yes
HS Code  28111990

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