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必应染料-您身边的染料专家

Direct Black 24

Name:C.I.Direct Black 24,C.I.31925

Molecular Structure: trisazo class

C.I.Direct Black 24,C.I.31925,1014.9,C44H29N6Na3O13S3,Benzo Chrome Black N

C.I.Direct Black 24,C.I.31925,1014.9,C44H29N6Na3O13S3,Benzo Chrome Black N

Molecular Formula:C44H29N6Na3O13S3

Molecular Weight: 1014.9

CAS Registry Number:

Manufacturing Methods :  3,3′-Dimethylbenzidine double nitriding, first with 8-Aminonaphthalene-2-sulfonic acid coupling, product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.

Properties and Applications:  black. Soluble in water for dark purple, soluble in ethanol. The strong sulfuric acid for blue, shallow purple for diluted. The dye solution to join strong hydrochloric acid have dark purple precipitation; Add thick sodium hydroxide solution have dark purple precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4-5 1 3 1-2 2-3

List of Suppliers:

Benzo Chrome Black N(  Bayer Group )


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