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Reference substances

Currently viewing:
IUPAC name:
lambda4-praseodymium(4+) silicon(4+) zirconium(4+) dipraseodymium(3+) nonaoxidandiide

Inventory

EC number:
269-075-7
EC name:
Zirconium praseodymium yellow zircon
CAS number:
68187-15-5
Description:
An inorganic pigment that is the reaction product of high temperature calcination in which praseodymium (III) oxide, praseodymium (IV) oxide, silicon oxide, and zirconium (IV) oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of zircon. Its composition may include any one or a combination of the modifiers alkali or alkaline earth halides.
CAS number:
68187-15-5
Synonyms
Names:
Identifier:
IUPAC name
Zirconium praseodymium silicon zircon (tetragonal)
Identifier:
Colour Index
Colour Index™ Constitution Number: C.I. 77997 Colour Index™ Generic Name: C.I. Pigment yellow 159
Identifier:
other: Molecular formula
ZrxPrySiO4, x=0.91-0.97, y=0.03-0.09
Zirconium praseodymium yellow zircon

Molecular and structural information

Molecular formula:
(Zr,Pr)SiO4
Molecular weight:
ca. 185.91
Structural formula:
Chemical structure

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