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ACID BLUE 92

Basic information Safety Supplier Related

ACID BLUE 92 Basic information

Product Name:
ACID BLUE 92
Synonyms:
  • 2,7-naphthalenedisulfonicacid,4-((4-anilino-5-sulfo-1-naphthyl)azo)-5-hydroxy
  • 2,7-naphthalenedisulfonicacid,4-hydroxy-5-[[4-(phenylamino)-5-sulfo-1-naphtha
  • 4-((4-anilino-5-sulfo-1-naphthyl)azo)-5-hydroxy-2,7-naphthalenedisulfonicaci
  • acidblue2k
  • acidleatherbluer
  • AcidnavyblueR
  • acidwoolbluerl
  • acilanfastnavybluer
CAS:
3861-73-2
MF:
C26H20N3NaO10S3
MW:
653.63
EINECS:
223-378-0
Product Categories:
  • Organics
  • Dyes and Pigments
  • Azo
Mol File:
3861-73-2.mol
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ACID BLUE 92 Chemical Properties

Melting point:
>300°C
solubility 
Solubility Soluble in water, acetone; slightly soluble in ethanol, glycerol
Colour Index 
13390
pka
11.22(at 25℃)
form 
powder
color 
Dark bluish-black
PH Range
Blue (11.0) to pink (12.0)
λmax
571nm, 585nm, 580–590nm
Merck 
14,628
Major Application
color filter, fuel cells, thin films, inks, markers, lithographic printingplates, textiles, cosmetics, neural network
EPA Substance Registry System
2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[[4-(phenylamino)-5-sulfo-1-naphthalenyl]azo]-, trisodium salt (3861-73-2)
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Safety Information

Safety Statements 
24/25
WGK Germany 
3
RTECS 
QJ6300000
HS Code 
32041200
Toxicity
LD50 i.v. in mice: 450 mg/kg (Taylor, Thorp)

MSDS

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ACID BLUE 92 Usage And Synthesis

Chemical Properties

purple-blue fine powder

Uses

Diagnostic aid (blood volume and cardiac output determination).

Uses

Solvent Blue 37 (cas# 3861-73-2) is a compound useful in organic synthesis.

Definition

Blue protein stain.

Preparation

4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?diazo, and ?8-Aminonaphthalene-1-sulfonic acid? coupling.

Properties and Applications

red light blue. Dark even powder. Soluble in water (purple) and soluble fiber element, slightly soluble in ethanol (red light blue), insoluble in other organic solvents. Meet strong sulfuric acid in deep dark, it will be diluted to appear blue; Nitric acid in a Purple dark reddish brown change after the orange. Its water solution meet strong hydrochloric acid is blue, in thick red orange brown in sodium hydroxide solution. Can dyeing wool, silk, viscose, leather, paper and soap.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 1 3 2 1 2 3-4 1
AATCC 4 2 2 4 4 4 1 1

ACID BLUE 92 Preparation Products And Raw materials

Raw materials

ACID BLUE 92Supplier

J & K SCIENTIFIC LTD.
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