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Mordant Black 7

Name:C.I.Mordant Black 7,C.I.16505

Molecular Structure: Single azo class

C.I.Mordant Black 7,C.I.16505,CAS 3618-60-8,416.77,C16H10ClN2NaO6S,Mordant Black P2B,Chrome Black P2B

C.I.Mordant Black 7,C.I.16505,CAS 3618-60-8,416.77,C16H10ClN2NaO6S,Mordant Black P2B,Chrome Black P2B

Molecular Formula:C16H10ClN2NaO6S

Molecular Weight: 416.77

CAS Registry Number:3618-60-8

Manufacturing Methods :  3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazotization, and Naphthalene-1,5-diol coupling.

Properties and Applications: blue black. Soluble in water for red light purple to bordeaux red, slightly soluble in ethanol and Acetone as dark blue light red to magenta. In concentrated sulfuric acid to blue light purple to black, dilution after dark red wine. Dye aqueous solution with concentrated hydrochloric acid for brown light red precipitation; Join concentrated sodium hydroxide solution for purple.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 4-5 7-8 5 4-5 5 5 5
AATCC 5 7 5 5 5 5

List of Suppliers:

Acid Mordant Black PBB( Dandong Jinlong Dyestuff Chemical Co Ltd )

Chrome Black P2B( Kaseihin Kogyo Kyokai )

Diamond Black PBB ( Bayer Group )

Lerui Mordant Black P2B( Rosi Chemical Co Ltd )

Mitsui Chrome Black P2B ( Mitsui Toatsu Chemicals Ltd )

Sunchromine Black PBB extra conc.( Sumitomo Chemical Co. Ltd )


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