Difference between revisions of "Iron dichromate"
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== Description == | == Description == | ||
| − | A reddish-brown crystalline material occasionally used as a transparent pigment in oil and watercolor paints. Iron dichromate is prepared by heating [ | + | A reddish-brown crystalline material occasionally used as a transparent pigment in oil and watercolor paints. Iron dichromate is prepared by heating [[ferric hydroxide]] in [[chromic acid]] or by mixing [[potassium chromate]] with [[ferrous sulfate|iron sulfate]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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basic iron chromate; ferric dichromate; dicromato de ferro (Port.) | basic iron chromate; ferric dichromate; dicromato de ferro (Port.) | ||
| − | == | + | == 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/msds?productName=AC197760050 SDS] | ||
| + | ==Physical and Chemical Properties== | ||
Soluble in water and acids. | Soluble in water and acids. | ||
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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 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 10:25, 21 September 2022
Description
A reddish-brown crystalline material occasionally used as a transparent pigment in oil and watercolor paints. Iron dichromate is prepared by heating Ferric hydroxide in Chromic acid or by mixing Potassium chromate with iron sulfate.
Synonyms and Related Terms
basic iron chromate; ferric dichromate; dicromato de ferro (Port.)
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 water and acids.
| Composition | Fe2(CrO7)3 |
|---|
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