Difference between revisions of "Bismuth oxide"
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== Description == | == Description == | ||
− | A heavy yellow powder that occurs naturally as the mineral bismite. Bismuth oxide, also called bismuth yellow, is used as a [ | + | A heavy yellow powder that occurs naturally as the mineral bismite. Bismuth oxide, also called bismuth yellow, is used as a [[pigment]] for [[enamel%2C%20inorganic|enamels]], [[glass]], [[ceramic|ceramics]], and [[porcelain]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
− | bismuth trioxide; | + | bismuth trioxide; óxido de bismuto (Esp., Port.); oxyde de bismuth (Fr.); ossido di bismuto (It.); bismite; bismuth yellow |
[[[SliderGallery rightalign|bismuth oxide.jpg~Chemical structure]]] | [[[SliderGallery rightalign|bismuth oxide.jpg~Chemical structure]]] | ||
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Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/b3456.htm MSDS] | Mallinckrodt Baker: [http://www.jtbaker.com/msds/englishhtml/b3456.htm MSDS] | ||
− | == | + | == Sources Checked for Data in Record == |
− | * | + | * 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 1314 | * ''The Merck Index'', Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 1314 |
Revision as of 14:07, 29 April 2016
Description
A heavy yellow powder that occurs naturally as the mineral bismite. Bismuth oxide, also called bismuth yellow, is used as a Pigment for enamels, Glass, ceramics, and Porcelain.
Synonyms and Related Terms
bismuth trioxide; óxido de bismuto (Esp., Port.); oxyde de bismuth (Fr.); ossido di bismuto (It.); bismite; bismuth yellow
Other Properties
Soluble in acid. Insoluble in water. Color is yellow to green
Composition | Bi2O3 |
---|---|
CAS | 1304-76-3 |
Mohs Hardness | 4-5 (for bismite) |
Melting Point | 820 |
Density | 8.8 - 8.9 |
Molecular Weight | mol. wt. = 465.96 |
Boiling Point | 1890 |
Hazards and Safety
Ingestion may cause slight discomfort. Chronic ingestion may produce black lines on gums and bad breath. Inhalation and contact are not expected to be hazardous.
Mallinckrodt Baker: MSDS
Sources Checked for Data in Record
- 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 1314
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Bismuth_oxide (Accessed Mar. 20, 2006)