Difference between revisions of "Hartshorn"
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== Description == | == Description == | ||
| − | A common name for ammonium carbonate, which is a combined salt of [[ammonium carbamate]] and [[ammonium bicarbonate]]. Ammonium carbonate is a white powder that smells strongly of [[ammonia (anhydrous)|ammonia]]. It slowly decomposes in air to form ammonia and carbon dioxide. Ammonia carbonate is used in smelling salts, baking powder, fire extinguishers, casein glue, ceramics, and textile dyeing. It is also used as an aqueous neutralization/alkalization agent for paper (Book and Paper catalog). Ammonium carbonate is commonly called hartshorn because it was historically prepared by the destructive distillation of the antlers from harts (red deer). | + | A common name for ammonium carbonate, which is a combined salt of [[ammonium carbamate]] and [[ammonium bicarbonate]]. Ammonium carbonate is a white powder that smells strongly of [[ammonia (anhydrous)|ammonia]]. It slowly decomposes in air to form ammonia and carbon dioxide. Ammonia carbonate is used in smelling salts, baking powder, fire extinguishers, casein glue, ceramics, and textile dyeing. It is also used as an aqueous neutralization/alkalization agent for paper (Book and Paper catalog). Ammonium carbonate is commonly called hartshorn because it was historically prepared by the destructive distillation of the antlers from harts (red deer). Hartshorn was a chemical leavener for cooking that was used before baking powder and baking soda became available. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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ammonium carbonate; hartshorn salt | ammonium carbonate; hartshorn salt | ||
| − | == | + | == Risks == |
| + | |||
| + | * Noncombustible. | ||
| + | * Sigma Aldrich: [https://www.sigmaaldrich.com/US/en/sds/SIGALD/379999 Ammonium carbonate SDS] | ||
| + | |||
| + | == Physical and Chemical Properties == | ||
Soluble in water. Partially soluble in ethanol. | Soluble in water. Partially soluble in ethanol. | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | 60 | + | | 60 C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
| − | |||
| − | |||
| − | |||
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* R. Mayer, ''The Artist's Handbook of Materials and Techniques'', Viking Press, New York, 1981 | * R. Mayer, ''The Artist's Handbook of Materials and Techniques'', Viking Press, New York, 1981 | ||
Latest revision as of 15:38, 3 August 2022
Description
A common name for ammonium carbonate, which is a combined salt of Ammonium carbamate and Ammonium bicarbonate. Ammonium carbonate is a white powder that smells strongly of ammonia. It slowly decomposes in air to form ammonia and carbon dioxide. Ammonia carbonate is used in smelling salts, baking powder, fire extinguishers, casein glue, ceramics, and textile dyeing. It is also used as an aqueous neutralization/alkalization agent for paper (Book and Paper catalog). Ammonium carbonate is commonly called hartshorn because it was historically prepared by the destructive distillation of the antlers from harts (red deer). Hartshorn was a chemical leavener for cooking that was used before baking powder and baking soda became available.
Synonyms and Related Terms
ammonium carbonate; hartshorn salt
Risks
- Noncombustible.
- Sigma Aldrich: Ammonium carbonate SDS
Physical and Chemical Properties
Soluble in water. Partially soluble in ethanol.
| Composition | (NH4)HCO3-(NH4)CO2NH2 |
|---|---|
| CAS | 506-87-6 |
| Boiling Point | 60 C |
Resources and Citations
- R. Mayer, The Artist's Handbook of Materials and Techniques, Viking Press, New York, 1981
- 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
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
- Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 534