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C.I. Direct Orange 71

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C.I. Direct Orange 71 Basic information
Product Name:C.I. Direct Orange 71
Synonyms:C.I. Direct Orange 71;Direct Orange 71;C.I.Direct Orange 71:C.I.40205
CAS:1325-51-5
MF:
MW:0
EINECS:603-625-2
Product Categories:
Mol File:Mol File
C.I. Direct Orange 71 Structure
C.I. Direct Orange 71 Chemical Properties
Safety Information
MSDS Information
C.I. Direct Orange 71 Usage And Synthesis
Preparationin 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 Applicationsred 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 materials4-Aminobenzoic acid-->Aniline
Tag:C.I. Direct Orange 71(1325-51-5) Related Product Information
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