Ammonium bicarbonate

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.);

Other Properties

Soluble in water. pH = 7.8 Insoluble in ethanol.

Composition	NH4HCO3
CAS	1066-33-7
Melting Point	36-60 (dec)
Density	1.586
Molecular Weight	mol. wt. = 79.06

Hazards and Safety

Contact and inhalation may cause irritation

Mallinckrodt Baker: MSDS 11/02/01

Authority

• 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, the free encyclopedia, at http://www.wikipedia.com Comment: 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