Molecular formula: NH4HCO3
Molecular weight: 79.06
CAS NO: 1066-33-7
Properties: White crystalline powder or block with ammoniacal odor. It breaks up into ammonia, carbon dioxide and water if heated to 60℃. It is soluble in water and insoluble in ethyl alcohol and acetone.
Uses: As analytical reagent. In preparing ammonium salts, synthesizing dyestuffs and plastic foaming.
Standard: The maximum content of impurities is in percentage content
Standard/item |
Analytical pure-AR
|
Chemical pure-CP
|
Assay(NH3) /%
|
21.0-22.0
|
21.0-22.0
|
Clarity test
|
Qualified
|
Qualified
|
Water insoluble matter
|
≤0.002
|
≤0.01
|
Ignition residue(Sulfate)
|
≤0.002
|
≤0.01
|
Chloride(Cl)
|
≤0.0005
|
≤0.003
|
Sulfur compound(SO4)
|
≤0.002
|
≤0.005
|
Iron (Fe)
|
≤0.0001
|
≤0.0005
|
Heavy metal(Pb)
|
≤0.0005
|
≤0.001
|
Packing: Woven bag, kraft bag or fiber drum lined with plastic, net weight is 25kg.
|