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C.I. Direct Orange 71

C.I. Direct Orange 71 Structure
CAS No.
1325-51-5
Chemical Name:
C.I. Direct Orange 71
Synonyms
Direct Orange 71;C.I. Direct Orange 71;C.I.Direct Orange 71:C.I.40205
CBNumber:
CB04772240
Molecular Formula:
Molecular Weight:
0
MOL File:
Mol file
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C.I. Direct Orange 71 Chemical Properties,Uses,Production

Preparation

in reflux conditions, sodium hydroxide solution in (E)-2-(2-sulfo-4-nitrostyryl)-5-nitrobenzenesulfonic acid with 4-Aminobenzoic acid diazo with aniline?coupled with product heating, then use glucose and sodium hydroxide treatment.

Properties and Applications

red light orange. Soluble in water for palm light orange, soluble in ethanol for light golden brown. In the strong sulfuric acid as dark blue, diluted for brown. The dye solution to join strong hydrochloric acid have dark brown precipitation, add thick sodium hydroxide solution have brown light orange precipitation. Used for cellulose fiber dyeing, 90 ℃ maximum when affinity, Exhaust dyeing.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 4 6 3-4 3
AATCC 5 3 6 2-3 2

C.I. Direct Orange 71 Preparation Products And Raw materials

Raw materials

4-Aminobenzoic acid Aniline

Preparation Products

1325-51-5(C.I. Direct Orange 71)Related Search:

Benzoic acid, 5-[[4'-[(2,6-diamino-3-methyl-5-sulfophenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-2-hydroxy-3-methyl-, disodium salt DIRECT ORANGE 61 Direct Orange 5 Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-nitro-, reaction products with 3-[(4-amino-3-methoxyphenyl)azo]benzenesulfonic acid monosodium salt Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[2-[2-methoxy-5-methyl-4-[2-(4-sulfophenyl)diazenyl]phenyl]-2-oxidodiazenyl]-, sodium salt (1:4)
Direct orange 60 C.I. Direct Orange 63 DIRECT ORANGE 6 1,-Naphthalenedisulfonic acid, 4,4'-[carbonylbis[imino(5-methoxy-2-methyl-4,1-phenylene)azo]]bis-, tetrasodium salt
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C.I. Direct Orange 71 Direct Orange 71 C.I.Direct Orange 71:C.I.40205 1325-51-5