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Reference substances

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IUPAC name:
oxo[(oxochromio)oxy]chromium; oxo[(oxoferrio)oxy]iron; oxo[(oxomanganio)oxy]manganese

Inventory

EC number:
271-411-2
EC name:
Spinels, chromium iron manganese brown
CAS number:
68555-06-6
Description:
An inorganic pigment that is the reaction product of high temperature calcination in which chromium (III) oxide, iron (III) oxide, and manganese (III) oxide in varying amounts are homogeneously and ionically interdiffused to form a crystalline matrix of spinel.
CAS number:
68555-06-6
Synonyms
Names:
Identifier:
IUPAC name
Spinels, chromium iron manganese brown
Identifier:
Colour Index
C.I. 774945, Pigment Brown 46
Identifier:
Colour Index
Colour Index™ Constitution Number: C.I. 774945 Colour Index™ Generic Name: C.I. Pigment brown 46
Identifier:
other: Molecular formula
(Mn1-x, Fex)(Mn1-y-z, Fey, Crz)2O4 0
Chromium iron manganese spinel

Molecular and structural information

Molecular formula:
(Mn, Fe)(Mn, Fe, Cr)2O4
Molecular weight:
ca. 227.1
Structural formula:
Chemical structure

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