C.I. Direct Red 112
- CAS No.12262-21-4
- Chemical Name:C.I. Direct Red 112
- CBNumber:CB82078816
- Molecular Formula:
- Formula Weight:0
- MOL File:Mol file
- Symbol(GHS)
- Signal word
- Hazard statements
- Precautionary statements
C.I. Direct Red 112 Chemical Properties,Usage,Production
- Preparation in reflux conditions (or a little take pressure), in sodium hydroxide solution ?(E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid?with ?2-Aminobenzenesulfonic acid sodium diazotization and Naphthalen-1-amine coupled with heating products. Reaction to the different proportion of material that get different commodity dye.
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Properties and Applications
dark red yellow light. Soluble in water for orange brown, slightly soluble in alcohol. The strong sulfuric acid for blue-ray in black and Gray light black, dilute for yellow brown to olive after brown. The dye solution with strong hydrochloric acid have yellow olive brown precipitation; Add thick sodium hydroxide solution for palm light orange.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain ISO 4-5 4-5 5-6 3-4 3-4
C.I. Direct Red 112 Preparation Products And Raw materials
Raw materials
Preparation Products
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12262-21-4, C.I. Direct Red 112Related Search:
- disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[3-methyl-4-[(3-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate sodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-(phenylazo)naphthalene-2-sulphonate DIRECT RED 122 Naphtho[2,1-d]thiazole-8-sulfonic acid, 2-(4-aminophenyl)-6-hydroxy-7-[(2-methylphenyl)azo]-, monosodium salt 2-Naphthalenesulfonic acid, 3,3'-[carbonylbis(imino-3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt trisodium 2-[4-[[6-[[[[4-(acetamido)phenyl]amino]carbonyl]amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-sulphonatophenyl]-6-methylbenzothiazole-7-sulphonate disodium 7-[(4-aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate DIRECT RED 111 2-Naphthalenesulfonic acid, 7-[[[[4-(acetylamino)phenyl]amino]carbonyl]amino]-3-[[4-[(2,4-dichloro-6-sulfophenyl)azo]-3-methylphenyl]azo]-4-hydroxy-, disodium salt
- 12262-21-4
- C.I.Direct Red 112:C.I.40290
- Direct Red 112
- C.I. Direct Red 112
