ChemicalBook > CAS DataBase List > Direct Violet 12
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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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