Difference between revisions of "Potassium bicarbonate"
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== Description == | == Description == | ||
| − | Colorless crystals or white powder. Potassium bicarbonate is used to add [http://cameo.mfa.org/materials/fullrecord.asp?name=carbon | + | Colorless crystals or white powder. Potassium bicarbonate is used to add [http://cameo.mfa.org/materials/fullrecord.asp?name=carbon%20dioxide carbon dioxide] to water, as in soft drinks. It is also used in baking powders, [http://cameo.mfa.org/materials/fullrecord.asp?name=fire%20extinguisher fire extinguishers], and to adjust the [http://cameo.mfa.org/materials/fullrecord.asp?name=pH pH] of [http://cameo.mfa.org/materials/fullrecord.asp?name=detergent detergents]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 40: | Line 40: | ||
== Authority == | == Authority == | ||
| − | * | + | * 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 7770 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7770 | ||
Revision as of 06:33, 24 July 2013
Description
Colorless crystals or white powder. Potassium bicarbonate is used to add carbon dioxide to water, as in soft drinks. It is also used in baking powders, fire extinguishers, and to adjust the pH of detergents.
Synonyms and Related Terms
potassium acid carbonate; baking soda
Other Properties
Soluble in water, pH = 8.2 (0.1 M solution). Insoluble in ethanol. Slightly alkaline.
| Composition | KHCO3 |
|---|---|
| CAS | 298-14-6 |
| Melting Point | 100-120 (dec) |
| Density | 2.17 |
| Molecular Weight | mol. wt. = 100.1 |
| Refractive Index | 1.380, 1.482, 1.578 |
Hazards and Safety
Fisher Scientific: MSDS
Authority
- 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 7770
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.380, 1.482, 1.578