Difference between revisions of "Siderin yellow"
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== Description == | == Description == | ||
| − | A yellow pigment composed of iron chromate. Iron chromate is precipitated from a solution of a chromate salt, such as [ | + | A yellow pigment composed of [[iron chromate]]. Iron chromate is precipitated from a solution of a chromate salt, such as [[potassium%20dichromate|potassium dichromate]] by the addition of [[ferric%20chloride|ferric chloride]]. The pure pigment is bright yellow, but some residual impurities, such as [[ferric%20oxide|iron oxide]], may result in a dull orange pigment color. Siderin yellow is compatible with all paint binders. It has also been used as a brown ceramic glaze and as a colorant in glass and enamel. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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iron chromate; ferric chromate; Pigment Yellow 45; CI 77505 | iron chromate; ferric chromate; Pigment Yellow 45; CI 77505 | ||
| − | == | + | == Risks == |
| + | |||
| + | * Human carcinogen. | ||
| + | * Skin contact may cause allergies. | ||
| + | * Acute ingestion may cause fatal chromium poisoning. | ||
| + | * Chronic inhalation may cause lung cancer and respiratory irritation | ||
| + | * Ceramic Shop: [https://www.theceramicshop.com/sds/IronChromate.pdf SDS] | ||
| + | |||
| + | ==Physical and Chemical Properties== | ||
Soluble in acids. Insoluble in water, ethanol. | Soluble in acids. Insoluble in water, ethanol. | ||
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| − | == | + | ==Resources and Citations== |
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| − | + | * H. Kuhn, M.Curran, "Chrome Yellow and Other Chromate Pigments", ''Artists Pigments'', Volume 1, R. Feller (ed.), Cambridge University Press: Cambridge, 1986. | |
* 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 07:28, 31 May 2022
Description
A yellow pigment composed of Iron chromate. Iron chromate is precipitated from a solution of a chromate salt, such as Potassium dichromate by the addition of Ferric chloride. The pure pigment is bright yellow, but some residual impurities, such as iron oxide, may result in a dull orange pigment color. Siderin yellow is compatible with all paint binders. It has also been used as a brown ceramic glaze and as a colorant in glass and enamel.
Synonyms and Related Terms
iron chromate; ferric chromate; Pigment Yellow 45; CI 77505
Risks
- Human carcinogen.
- Skin contact may cause allergies.
- Acute ingestion may cause fatal chromium poisoning.
- Chronic inhalation may cause lung cancer and respiratory irritation
- Ceramic Shop: SDS
Physical and Chemical Properties
Soluble in acids. Insoluble in water, ethanol.
| Composition | Fe2(CrO4)3 |
|---|---|
| CAS | 10294-52-7 |
Resources and Citations
- H. Kuhn, M.Curran, "Chrome Yellow and Other Chromate Pigments", Artists Pigments, Volume 1, R. Feller (ed.), Cambridge University Press: Cambridge, 1986.
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983