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Direct Violet 12

Product Name
Direct Violet 12
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
Formula Weight
708.7
MOL File
2429-75-6.mol
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Direct Violet 12 Property

EPA Substance Registry System
2-Naphthalenesulfonic acid, 3,3'-[[1,1'-biphenyl]-4,4'-diylbis(azo)]bis[7-amino-4-hydroxy-, disodium salt (2429-75-6)
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Hazard and Precautionary Statements (GHS)

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Direct Violet 12 Chemical Properties,Usage,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

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Direct Violet 12 Suppliers

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2429-75-6, Direct Violet 12Related Search:

Direct Violet 107 DIRECT VIOLET 14 7,7'-(Carbonyldiimino)bis[4-hydroxy-3-[(2-hydroxyphenyl)azo]-2-naphthalenesulfonic acid]disodium salt Direct Violet 104 disodium 7-amino-4-hydroxy-3-[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]azo]naphthalene-2-sulphonate 1-Naphthalenesulfonic acid, 3-[[4'-[(2,4-diamino-5-methylphenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4,6-dihydroxy-, monosodium salt 4-Hydroxy-3-[[4'-[(1-hydroxy-6-phenylamino-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Direct Violet 108 4-Hydroxy-3-[[5-methyl-2-methoxy-4-[(2-sodiosulfo-1-naphthalenyl)azo]phenyl]azo]-7-(phenylamino)naphthalene-2-sulfonic acid sodium salt

  • 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