4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt

Product Name
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
CAS No.
6405-98-7
Chemical Name
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
Synonyms
C.I.23515;Direct Red 68;C.I.Direct Red 68;C.I.Direct Red 68:C.I.23515;4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
CBNumber
CB92222773
Molecular Formula
C30H26N5NaO5S
Formula Weight
591.62
MOL File
6405-98-7.mol
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Hazard and Precautionary Statements (GHS)

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4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt Chemical Properties,Usage,Production

Preparation

3,3′-Dimethylbenzidine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and Resorcinol coupling .

Properties and Applications

red. Soluble in water is palm red light. The strong sulfuric acid for blue, purple precipitation after diluted; In a dilute acetic acid with brown in the precipitation. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution no change.

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

4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt Suppliers