Ammonium bicarbonate
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Description
Shiny, hard, white, prism-shaped crystal. Ammonium bicarbonate is used in baking powder and fire-extinguishers. It is also used for degreasing textiles, for chrome leather tanning and as an additive in ceramics. Hartshorn, or Ammonium carbonate, is a double salt of Ammonium carbamate and ammonium bicarbonate.
Synonyms and Related Terms
ammonium acid carbonate; ammonium hydrogen carbonate; hartshorn; powdered baking ammonia; hjortetakssalt (Dan.); Ammoniumhydrogencarbonat (Deut.); ABC-Trieb (Deut.); bicarbonate d'ammonium (Fr.);
Risks
- Contact and inhalation may cause irritation
- Fisher Scientific: SDS
Physical and Chemical Properties
Soluble in water. pH = 7.8 Insoluble in ethanol.
| Composition | NH4HCO3 |
|---|---|
| CAS | 1066-33-7 |
| Melting Point | 36-60 C (dec) |
| Density | 1.586 g/ml |
| Molecular Weight | mol. wt. = 79.06 |
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 57
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 522
- Wikipedia: http://en.wikipedia.org/wiki/Ammonium_bicarbonate (Accessed Mar. 20, 2006) -for non-English terms
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998