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SIRIUS SUPRA RED VIOLET B

SIRIUS SUPRA RED VIOLET B Structure
CAS No.
7198-99-4
Chemical Name:
SIRIUS SUPRA RED VIOLET B
Synonyms
C.I.25400;Direct Violet 62;C.I.Direct Violet 62;SIRIUS SUPRA RED VIOLET B;C.I.Direct Violet 62:C.I.25400;SIRIUS SUPRA RED VIOLET B ISO 9001:2015 REACH;5,5'-[Carbonylbis[imino(5-methoxy-2-sulfo-4,1-phenylene)azo]]bis[6-amino-4-hydroxy-2-naphthalenesulfonic acid]tetrasodium salt
CBNumber:
CB4330958
Molecular Formula:
C35H31N8NaO17S4
Molecular Weight:
986.9
MOL File:
7198-99-4.mol

SIRIUS SUPRA RED VIOLET B Chemical Properties,Uses,Production

Preparation

2-Amino-4-methoxy-5-acetamidobenzenesulfonic acid?diazo, in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid coupling, and then hydrolysis amino acylation and light gasification.

Properties and Applications

red light purple. Soluble in water for red light purple, slightly soluble in alcohol. The strong sulfuric acid for blu-ray black, diluted for purple. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution for wine red, have precipitation.

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

SIRIUS SUPRA RED VIOLET B Preparation Products And Raw materials

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Direct Violet 62 SIRIUS SUPRA RED VIOLET B 5,5'-[Carbonylbis[imino(5-methoxy-2-sulfo-4,1-phenylene)azo]]bis[6-amino-4-hydroxy-2-naphthalenesulfonic acid]tetrasodium salt C.I.25400 C.I.Direct Violet 62 SIRIUS SUPRA RED VIOLET B ISO 9001:2015 REACH C.I.Direct Violet 62:C.I.25400 7198-99-4 C35H26N8O17S4Na4