Difference between revisions of "Iron chromate"

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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
  
== Other Properties ==
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== Risks ==
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Human carcinogen. Skin contact may cause allergies. Acute ingestion may cause fatal chromium poisoning. Chronic inhalation may cause lung cancer and respiratory irritation.
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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]
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== Physical and Chemical Properties ==
  
 
Soluble in acids. Insoluble in water, and ethanol.
 
Soluble in acids. Insoluble in water, and ethanol.
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== Hazards and Safety ==
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==Resources and Citations==
 
 
Human carcinogen. Skin contact may cause allergies. Acute ingestion may cause fatal chromium poisoning. Chronic inhalation may cause lung cancer and respiratory irritation.
 
 
 
== Additional Information ==
 
 
 
H. Kuhn, M.Curran, "Chrome Yellow and Other Chromate Pigments", ''Artists Pigments'', Volume 1, R. Feller (ed.), Cambridge University Press: Cambridge, 1986.
 
  
== Sources Checked for Data in Record ==
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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

Revision as of 14:39, 31 August 2020

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

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