Difference between revisions of "Potassium oxalate"
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oxalate of potash | oxalate of potash | ||
| − | + | == Risks == | |
| − | == | + | * Toxic by ingestion and inhalation. |
| + | * Skin contact may cause irritation. | ||
| + | * Fisher Scientific: [https://fscimage.fishersci.com/msds/96431.htm MSDS] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Soluble in water. Insoluble in ethanol. Decomposes when heated to form potassium carbonate. | Soluble in water. Insoluble in ethanol. Decomposes when heated to form potassium carbonate. | ||
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! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2.08 | + | | 2.08 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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| − | == | + | ==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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* Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979 | * Michael McCann, ''Artist Beware'', Watson-Guptill Publications, New York City, 1979 | ||
| − | * | + | * Photographic chemicals: www.jetcity.com/~mrjones/chemdesc.htm |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:26, 25 August 2022
Description
Transparent, odorless crystals. Potassium oxalate is used as a water soluble source of oxalate for removing of rust stains and iron gall inks. It is also used as a cleaner for metals and wood, as a mordant in dyeing and as a photographic chemical.
Synonyms and Related Terms
oxalate of potash
Risks
- Toxic by ingestion and inhalation.
- Skin contact may cause irritation.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Soluble in water. Insoluble in ethanol. Decomposes when heated to form potassium carbonate.
| Composition | K2C2O4 - H2O |
|---|---|
| CAS | 6487-48-5 |
| Density | 2.08 g/ml |
| Molecular Weight | mol. wt. = 166.22 |
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 7820
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Photographic chemicals: www.jetcity.com/~mrjones/chemdesc.htm