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Direct Violet 12

Direct Violet  12 Structure
CAS No.
2429-75-6
Chemical Name:
Direct Violet 12
Synonyms
C.I.22550;Direct Violet O;Direct Violet 12;Oiacotton Ciolet X;Japanol Violet Extra;C.I. Direct violet 12;Mitsui Direct Violet R;C.I.Direct Violet 12:C.I.22550;Direct Violet 12 ISO 9001:2015 REACH;3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[7-amino-4-hydroxy-2-naphthalenesulfonic acid sodium] salt
CBNumber:
CB5968585
Molecular Formula:
C32H25N6NaO8S2
Molecular Weight:
708.7
MOL File:
2429-75-6.mol
MSDS File:
SDS

Direct Violet 12 Chemical Properties,Uses,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.

Properties and Applications

purple. Deep smoked uniform powder. Soluble in water for violet black, soluble in ethanol for product red. In the strong sulfuric acid as dark blue, diluted into dark purple. The dye solution to join strong hydrochloric acid for Red sauce or violet black, precipitation; Add thick sodium hydroxide solution for violet black, precipitation. Cellulose fiber of dyeing, the dye devoured the gender is good, in the 80 ~ 100 ℃ maximum when affinity. Hard to more sensitive. Mainly used for cotton, cellulose fiber fabrics such as glue of dyeing, also can be used for paper dyeing.

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

Direct Violet 12 Preparation Products And Raw materials

Raw materials

Preparation Products

Direct Violet 12 Suppliers

Global( 7)Suppliers
Supplier Tel Country ProdList Advantage Inquiry
Hefei TNJ Chemical Industry Co.,Ltd. 0551-65418671 China 34571 58 Inquiry
Dideu Industries Group Limited +86-29-89586680 +86-15129568250 China 25196 58 Inquiry
Alfa Chemistry 1-516-6625404 United States 9171 60 Inquiry
Dynasty Colourants Co., Ltd. 86 0574 27862107 27862719 China 3306 51 Inquiry
Shanghai New Union Textra Import & Export Co., Ltd +861-348-227-9455 China 2752 60 Inquiry
C.I. Direct violet 12 Japanol Violet Extra Mitsui Direct Violet R Oiacotton Ciolet X 3,3'-[(1,1'-Biphenyl-4,4'-diyl)bis(azo)]bis[7-amino-4-hydroxy-2-naphthalenesulfonic acid sodium] salt C.I.22550 Direct Violet O Direct Violet 12 Direct Violet 12 ISO 9001:2015 REACH C.I.Direct Violet 12:C.I.22550 2429-75-6