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Langfang Tianke Biotechnology Co., Ltd.
Langfang Tianke Biotechnology
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Ammonium carbonate

Ammonium carbonate

Molecular formula: (NH4)2CO3·H2O
Molecular weight: 157.12
CAS NO: 10361-29-2
Properties: White or colorless translucent lump or powder with irritating ammonia taste. It gradually turns ammonium bicarbonate in the air. It breaks up into ammonia and carbon dioxide if it is heated to 550℃. Soluble in water, insoluble in stronger ammonia water and ethyl alcohol.
Uses: as analytical reagent, In preparing carbonate. In spot analysis of radium, lithium and thorium.
Standard: maximum assay of impurities is in 百分比

Specification/item

Analytically pure-AR

Chemically pure-CP

Assay (NH3) /百分比

≥40.0

≥40.0

Clarity test

Qualified

Qualified

Water insoluble matter

≤0.002

≤0.01

Ignition residue (as sulfate)

≤0.002

≤0.01

Chloride (Cl)

≤0.0005

≤0.01

Sulfur compounds (SO4)

≤0.002

≤0.005

Iron (Fe)

≤0.0001

≤0.0005

Heavy metal (Pb)

≤0.0005

≤0.001

Packing: woven bag lined with plastic bag, kraft paper bag, or fiber drum, net weight is 25kg.

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