Chromic phosphate

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Contents

Description

Chromic phosphate exists in two hydrated forms. The hexahydrate form of chromic phosphate is a violet powder. The hemiheptahydrate form is a bluish green powder that has been used as a paint pigment called Arnaudon's green and Plessy's green.

Synonyms and Related Terms

chromium phosphate; Arnaudon's green; Arnaudon's chrome green; Plessy's green; Mathieu-Plessy's green; vert Arnaudon;

Other Properties

Both forms are insoluble in water and acids.

Composition CrPO4
CAS 7789-04-0
Density 2.12
Molecular Weight mol. wt. = 146.97

Hazards and Safety

Material Safety Data Sheet: Chromium phosphate

Additional Information

R. Newman, "Chromium Oxide Greens", Artists Pigments, Volume 3, E. West FitzHugh (ed.), Oxford University Press: Oxford, 1997.

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 611
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2284

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