Difference between revisions of "Potassium chloroplatinate"
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A yellow crystalline powder. Potassium chloroplatinate was sold for a short time in the late 18th and early 19th century as an artists pigment, called platina yellow. It was initially called lemon yellow. Potassium chloroplatinate is now used in photography. | A yellow crystalline powder. Potassium chloroplatinate was sold for a short time in the late 18th and early 19th century as an artists pigment, called platina yellow. It was initially called lemon yellow. Potassium chloroplatinate is now used in photography. | ||
| − | + | [[[SliderGallery rightalign|potassium chloroplatinate.jpg~Chemical structure]]] | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
lemon yellow; platina yellow; platinum potassium chloride; potassium platinichloride | lemon yellow; platina yellow; platinum potassium chloride; potassium platinichloride | ||
| − | [ | + | == Risks == |
| + | |||
| + | * Toxic by ingestion and inhalation. | ||
| + | * Contact may cause irritation or allergic reactions. | ||
| + | * Fisher Scientific: [https://fscimage.fishersci.com/msds/01217.htm MSDS] | ||
| − | == | + | ==Physical and Chemical Properties== |
Slightly soluble in water. Insoluble in ethanol. | Slightly soluble in water. Insoluble in ethanol. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 250 (dec) | + | | 250 C (dec) |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 3.499 | + | | 3.499 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 | ||
Latest revision as of 07:23, 26 July 2022
Description
A yellow crystalline powder. Potassium chloroplatinate was sold for a short time in the late 18th and early 19th century as an artists pigment, called platina yellow. It was initially called lemon yellow. Potassium chloroplatinate is now used in photography.
Synonyms and Related Terms
lemon yellow; platina yellow; platinum potassium chloride; potassium platinichloride
Risks
- Toxic by ingestion and inhalation.
- Contact may cause irritation or allergic reactions.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Slightly soluble in water. Insoluble in ethanol.
| Composition | K2PtCl6 |
|---|---|
| CAS | 16921-30-5 |
| Melting Point | 250 C (dec) |
| Density | 3.499 g/ml |
| Molecular Weight | mol. wt. = 485.9946 |
| Refractive Index | 1.827 |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- R.D. Harley, Artists' Pigments c. 1600-1835, Butterworth Scientific, London, 1982
- CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.827