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Acid Blue 249

Name:C.I.Acid Blue 249,C.I.74220

Molecular Structure: Phthalocyanine class

C.I.Acid Blue 249,C.I.74220,CAS 27360-85-6,984.25,C32H12CuN8Na4O12S4,Fastogen Blue SBL

C.I.Acid Blue 249,C.I.74220,CAS 27360-85-6,984.25,C32H12CuN8Na4O12S4,Fastogen Blue SBL

Molecular Formula:C32H12CuN8Na4O12S4

Molecular Weight: 984.25

CAS Registry Number:27360-85-6

Manufacturing Methods :  in C.I. Pigment Blue 15 (C.I. 74160) points out the method (2) use 4-Sulfophthalic acid preparation phthalocyanine. The sun and alkali resistance is better than the fastness of the products directly Copper phthalocyanine, but for cellulose low affinity.

Properties and Applications:  blue. Soluble in water to blue. The strong sulfuric acid for yellow-green, in strong hydrochloric acid for green, precipitation; In the nitric acid decomposition; In the green light for sodium hypochlorite red; In insurance powder solution for palm red.

List of Suppliers:

Fastogen Blue SBL( Dainippon Ink & Chemicals Inc. )


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