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Pigment Green 37

Catalog Number DYE-PIG-0276
CAS Number 1330-37-6
Structure
Synonyms polymo Sky Blue G
Molecular Weight 851.63
Molecular Formula C32H8Cl8CuN8
CI Number C.I.74255
Color blue light green.
Main Molecular Structure Phthalocyanine
Preparation Method with C.I. pigment blue 15 (C.I. 74160) stated in (b) method, will Dichlorophthalic acid (or Dichloro phthalic anhydride) into Octachloro copper phthalocyanine.
Properties In concentrated sulfuric acid for olive solution, after dilution blue-green precipitation, fast good fastness.

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