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1066-33-7

Name Ammonium bicarbonate
CAS 1066-33-7
EINECS(EC#) 213-911-5
Molecular Formula CH5NO3
MDL Number MFCD00012138
Molecular Weight 79.06
MOL File 1066-33-7.mol

Chemical Properties

Appearance Ammonium bicarbonate is a white crystalline solid with a faint ammonia odor.
Melting point  105 °C
Boiling point  143.04°C (rough estimate)
density  1,586 g/cm3
vapor density  2.7 (vs air)
vapor pressure  67 hPa (20 °C)
refractive index  1.4164 (estimate)
storage temp.  Store at RT.
solubility  H2O: 1 M at 20 °C, clear, colorless
form  Solid
color  White
Odor faint ammonia odor
PH 7.0-8.5 (25℃, 1M in H2O)
Stability: Stable. Incompatible with strong acids, alkali metals.
Water Solubility  220 g/L (20 ºC)
λmax λ: 260 nm Amax: ≤0.030
λ: 280 nm Amax: ≤0.020
Merck  14,497
BRN  4329606
LogP -0.809 (est)
Uses
White crystals made by carbonate salts acting upon ammonium hydroxide followed by crystallization. Also known as hartshorn and rock ammonia, ammonium bicarbonate is soluble in water but decomposes when heated. It was used in place of ammonia when making ammonia-ripened gelatin emulsions.
Dissociation constant 6.49 at 20℃
CAS DataBase Reference 1066-33-7(CAS DataBase Reference)
EPA Substance Registry System 1066-33-7(EPA Substance)

Safety Data

Hazard Codes  Xn,Xi
Risk Statements 
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S22:Do not breathe dust .
WGK Germany  1
RTECS  BO8600000
TSCA  Yes
HS Code  28369990
Safety Profile
Poison by intravenous route. When heated to decomposition it emits toxic fumes of NO, and NH3
Hazardous Substances Data 1066-33-7(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1576 mg/kg

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