ACID BLUE 92

CAS NO.：3861-73-2
Empirical Formula: C26H20N3NaO10S3
Molecular Weight: 653.63
MDL number: MFCD00003967
EINECS: 223-378-0
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-14 18:30:21

What is ACID BLUE 92?

Chemical properties

purple-blue fine powder

The Uses of ACID BLUE 92

Diagnostic aid (blood volume and cardiac output determination).

The Uses of ACID BLUE 92

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
Standard	Light Fastness	Fading	Stain	Persperation Fastness	Fading	Stain	Fading	Stain
ISO	5	1	3	2	1	2	3-4	1
AATCC	4	2	2	4	4	4	1	1

Properties of ACID BLUE 92

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)