Difference between revisions of "Bismuth oxide"
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== Description == | == Description == | ||
| − | + | [[[SliderGallery rightalign|bismuth oxide.jpg~Chemical structure]]] | |
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]]. | 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]]. | ||
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bismuth trioxide; óxido de bismuto (Esp., Port.); oxyde de bismuth (Fr.); ossido di bismuto (It.); bismite; bismuth yellow | bismuth trioxide; óxido de bismuto (Esp., Port.); oxyde de bismuth (Fr.); ossido di bismuto (It.); bismite; bismuth yellow | ||
| − | [ | + | == Risks == |
| + | |||
| + | * 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. | ||
| + | * ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AA4631414&productDescription=BISMUTH%28III%29+OXIDE%2C+99.9%25+25G&vendorId=VN00024248&countryCode=US&language=en SDS] | ||
| − | == | + | ==Physical and Chemical Properties== |
Soluble in acid. Insoluble in water. Color is yellow to green | Soluble in acid. Insoluble in water. Color is yellow to green | ||
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|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 820 | + | | 820 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 8.8 - 8.9 | + | | 8.8 - 8.9 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | 1890 | + | | 1890 C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
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* ''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 | ||
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Bismuth_oxide (Accessed Mar. 20, 2006) |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 15:05, 7 May 2022
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
Risks
- 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.
- ThermoFisher: SDS
Physical and Chemical 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 C |
| Density | 8.8 - 8.9 g/ml |
| Molecular Weight | mol. wt. = 465.96 |
| Boiling Point | 1890 C |
Resources and Citations
- 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: http://en.wikipedia.org/wiki/Bismuth_oxide (Accessed Mar. 20, 2006)