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C.I. Direct orange 25

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C.I. Direct orange 25 Basic information
Product Name:C.I. Direct orange 25
Synonyms:1-Naphthalenesulfonic acid, 4-amino-3-((4'-((4-hydroxy-3-methylphenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, monosodium salt;C.I. Direct orange 25;Direct Orange 25;C.I.Direct Orange 25:C.I.22135
CAS:6486-43-7
MF:C29H24N5NaO4S
MW:561.59
EINECS:
Product Categories:
Mol File:6486-43-7.mol
C.I. Direct orange 25 Structure
C.I. Direct orange 25 Chemical Properties
EPA Substance Registry SystemC.I. Direct Orange 25 (6486-43-7)
Safety Information
MSDS Information
C.I. Direct orange 25 Usage And Synthesis
Preparation4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and o-Cresol coupling.
Properties and Applicationsred light orange. Moderate soluble in water for orange brown, slightly soluble in ethanol for gold orange. In the dark for the strong sulfuric acid, diluted for dark purple. The dye solution to join strong hydrochloric acid for violet black, precipitation; Add thick sodium hydroxide solution for yellow orange brown.
Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 4 1-2 2 2-3
C.I. Direct orange 25 Preparation Products And Raw materials
Raw materialso-Cresol-->Benzidine-->1-Naphthol-4-sulfonic acid
Tag:C.I. Direct orange 25(6486-43-7) Related Product Information
Direct Orange 17 CALCOMINE ORANGE 5RE Direct Orange 121 Direct Orange 18 Direct Orange 119 2,7-Naphthalenedisulfonic acid, 3-amino-4-[[4'-[(4-ethoxyphenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, disodium salt C.I. Direct Orange 22 C.I. Direct orange 2 [2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[[2,6-diamino-3-sulfo-5-[(3-sulfophenyl)azo]phenyl]azo]phenyl]-6-methyl-, trisodium salt