Difference between revisions of "Iron chromate"
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| + | [[File:Chrome yellow-E3243CR-d1.jpg|thumb|Chrome yellow background<br>MFA# 40.777]] | ||
== Description == | == Description == | ||
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siderin yellow; Pigment Yellow 45; CI 77505; chromate de fer (Fr.); cromato de ferro (Port.); chromate of iron; ferric chromate | siderin yellow; Pigment Yellow 45; CI 77505; chromate de fer (Fr.); cromato de ferro (Port.); chromate of iron; ferric chromate | ||
| − | == | + | == Risks == |
| + | |||
| + | * Human carcinogen. | ||
| + | * Skin contact may cause allergies. Acute ingestion may cause fatal chromium poisoning. | ||
| + | * Chronic inhalation may cause lung cancer and respiratory irritation. | ||
| + | * ThermoFisher: [https://www.fishersci.com/store/msds?partNumber=AC233300010&productDescription=IRON%28II%29SULFIDE%2CC.P.%2C+FU+1KG&vendorId=VN00032119&countryCode=US&language=en SDS] | ||
| + | |||
| + | == Physical and Chemical Properties == | ||
Soluble in acids. Insoluble in water, and ethanol. | Soluble in acids. Insoluble in water, and 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 10:22, 21 September 2022
Description
A yellow powder occasionally used as a pigment called siderin yellow. 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 gray or brown ceramic glaze and as a colorant in glass and enamel.
Synonyms and Related Terms
siderin yellow; Pigment Yellow 45; CI 77505; chromate de fer (Fr.); cromato de ferro (Port.); chromate of iron; ferric chromate
Risks
- Human carcinogen.
- Skin contact may cause allergies. Acute ingestion may cause fatal chromium poisoning.
- Chronic inhalation may cause lung cancer and respiratory irritation.
- ThermoFisher: SDS
Physical and Chemical Properties
Soluble in acids. Insoluble in water, and ethanol.
| Composition | Fe2(CrO4)3 |
|---|---|
| CAS | 10294-52-7 |
| Molecular Weight | mol. wt. = 459.73 |
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