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Acid Black 26

Basic information Safety Supplier Related

Acid Black 26 Basic information

Product Name:
Acid Black 26
Synonyms:
  • 2-Naphthalenesulfonic acid, 6-hydroxy-5-4-4-(phenylamino)-3-sulfophenylazo-1-naphthalenylazo-, disodium salt
  • Benzenesulfonic acid, 2-(phenylamino)-5-[[4-[(2-hydroxy-6-sulfonaphth-1-yl)azo]naphth-1-yl]azo]-, disodium salt
  • Atul Acid Cyanine Black VL
  • Daedo Acid Black NB
  • Folan Fast Black VL
  • Kayanol Milling Black VLG
  • Polan Black RB
  • Triacid Light Black VLN.
CAS:
6262-07-3
MF:
C32H21N5O7S2.2Na
MW:
697.658
EINECS:
228-412-8
Product Categories:
  • Organics
Mol File:
6262-07-3.mol
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Acid Black 26 Chemical Properties

Boiling point:
280℃[at 101 325 Pa]
Density 
1.364-1.471[at 20℃]
vapor pressure 
0-0Pa at 25℃
Water Solubility 
67.3-92.84g/L at 20℃
LogP
-2.5--1.984 at 20℃
EPA Substance Registry System
C.I. Acid Black 26, disodium salt (6262-07-3)
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Acid Black 26 Usage And Synthesis

Preparation

5-Amino-2-(phenylamino)benzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

navy blue light to dark. Blue-ray black powder. Soluble in water, in 90 ℃ water solubility of 100 g/L, slightly soluble in ethanol and acetone. The strong sulfuric acid dyes for purple, diluted to blue. The water solution is blue. Discharge sex is good. Used for wool, polyamide fiber, silk and wool blended fabric dyeing, also can be used for leather color. This product is suitable for the dye scattered hair, tops, yarn. Dye, is the best.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 3-4 1 4-5 4 1 4-5 3
AATCC 5 3 3 4-5 4 4 4 4

Acid Black 26 Preparation Products And Raw materials

Raw materials

Acid Black 26Supplier

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