Basic information Safety Supplier Related

C.I. Direct brown 13

Basic information Safety Supplier Related

C.I. Direct brown 13 Basic information

Product Name:
C.I. Direct brown 13
Synonyms:
  • C.I. Direct brown 13
  • C.I.Direct Brown 13:C.I.35710
  • Direct Brown 13
CAS:
8003-82-5
MF:
C45H32N10O9S2.3Na
MW:
989.91
Mol File:
Mol File
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C.I. Direct brown 13 Chemical Properties

EPA Substance Registry System
C.I. Direct Brown 13 (8003-82-5)
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C.I. Direct brown 13 Usage And Synthesis

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid diazo, and Benzene-1,3-diamine coupled to a product matches.

Properties and Applications

brown. Soluble in water is palm red light, soluble in alcohol. The strong sulfuric acid for purple. The dye solution to join strong hydrochloric acid for red orange solution; With strong sodium hydroxide solution have brown light orange precipitation.

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

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