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必应染料-您身边的染料专家

Direct Green 57

Name:C.I.Direct Green 57,C.I.24130

Molecular Structure: Double azo class

C.I.Direct Green 57,C.I.24130,CAS 6428-95-1,621.60,C30H24N5NaO7S,Pam Green B

C.I.Direct Green 57,C.I.24130,CAS 6428-95-1,621.60,C30H24N5NaO7S,Pam Green B

Molecular Formula:C30H24N5NaO7S

Molecular Weight: 621.60

CAS Registry Number:6428-95-1

Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, first, and then in phenol coupled with alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications: green. Soluble in water for Red sauce, easily soluble in ethanol for purple. In the dark for the strong sulfuric acid, diluted light gray light purple. The dye solution to join strong hydrochloric acid colored light unchanged, precipitation; Add thick sodium hydroxide solution discoloration.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 5 2 2-3 3-4

List of Suppliers:

Pam Green B( Bayer Group )


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