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12054-85-2

Name Ammonium molybdate tetrahydrate
CAS 12054-85-2
EINECS(EC#) 234-320-9
Molecular Formula H16MoN2O8
MDL Number MFCD00167059
Molecular Weight 268.08
MOL File 12054-85-2.mol
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Chemical Properties

Appearance white crystalline powder
Melting point  190 °C
Boiling point  190°C
density  2.498 g/mL at 25 °C(lit.)
storage temp.  Inert atmosphere,Room Temperature
solubility  H2O: 0.05 M at 20 °C, clear, colorless
form  Solid
color  White to yellow-green
Odor Odorless
PH 4.0-5.5 (25℃, 0.05M in H2O)
PH Range 5 - 5.5
Stability: Stable. Incompatible with strong acids, strong oxidizing agents.
Water Solubility  400 g/L (20 ºC)
Merck  14,533
Exposure limits ACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 1000 mg/m3
CAS DataBase Reference 12054-85-2(CAS DataBase Reference)
EPA Substance Registry System 12054-85-2(EPA Substance)

Safety Data

Hazard Codes  Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S36/37:Wear suitable protective clothing and gloves .
S36:Wear suitable protective clothing .
RIDADR  3288
WGK Germany  1
RTECS  QA5076000
TSCA  Yes
HS Code  28417000

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