C.I. Direct Red 112

Product Name
C.I. Direct Red 112
CAS No.
12262-21-4
Chemical Name
C.I. Direct Red 112
Synonyms
Direct Red 112;C.I. Direct Red 112;C.I.Direct Red 112:C.I.40290
CBNumber
CB82078816
Formula Weight
0
MOL File
Mol file
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Hazard and Precautionary Statements (GHS)

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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.

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

  • C.I. Direct Red 112
  • Direct Red 112
  • C.I.Direct Red 112:C.I.40290
  • 12262-21-4