Skip to Content
Merck
All Photos(2)

Key Documents

View All Documentation

A2918

Sigma-Aldrich

Azure A chloride

Dye content, ≥75%, certified by the Biological Stain Commission, powder

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C14H14ClN3S
CAS Number:
531-53-3
Molecular Weight:
291.80
Colour Index Number:
52005
Beilstein:
3922287
EC Number:
208-510-7
MDL number:
MFCD00012112
UNSPSC Code:
12171500
PubChem Substance ID:
24890705
NACRES:
NA.47

product name

Azure A chloride, certified by the Biological Stain Commission

grade

certified by the Biological Stain Commission

Quality Level

200

form

powder

composition

Dye content, ≥75%

color

dark brown
 green to very dark green

mp

290 °C (dec.) (lit.)

solubility

water: 1 mg/mL

suitability

suitable for (Certified for use in Lillie′s modified Nocht′s method for paraffin sections and the NCCLS method for blood smears.)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

NC1=CC(SC(C2=N3)=CC(C=C2)=[N+](C)C)=C3C=C1.[Cl-]

InChI

1S/C14H13N3S.ClH/c1-17(2)10-4-6-12-14(8-10)18-13-7-9(15)3-5-11(13)16-12;/h3-8,15H,1-2H3;1H

InChI key

NALREUIWICQLPS-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Suitability

Certified for use in Lillie′s modified Nocht′s method for paraffin sections and the NCCLS method for blood smears.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Shuhua Bai et al.
Journal of pharmaceutical sciences, 96(8), 2090-2106 (2007-02-09)
This study was designed to test the hypothesis that positively charged dendrimers form a complex with enoxaparin, a low-molecular weight heparin (LMWH), and that the resulting drug-dendrimer complex is effective in preventing deep vein thrombosis after pulmonary administration. Fourier Transform
P Chieco et al.
The Histochemical journal, 25(8), 569-577 (1993-08-01)
Mitotic index is a clinically important parameter in cancer pathology. We developed a staining method using Toluidine Blue to detect efficiently and rapidly mitotic figures in sections of formalin-fixed paraffin-embedded human and rat tissues. Sections were stained at acid pH
Q Chen et al.
Analytical and bioanalytical chemistry, 382(7), 1513-1519 (2005-06-14)
The interaction between azur A (AA) and hyaluronic acid (HA) at AA concentrations from 3.430 x 10(-5) to 8.575 x 10(-5) M and sodium chloride concentrations from 0 to 0.01 M was investigated spectrophotometrically at 620 nm at temperatures from
C H van de Lest et al.
Analytical biochemistry, 221(2), 356-361 (1994-09-01)
A rapid, sensitive, and nonradioactive method has been developed for the quantification and characterization of glycosaminoglycans. The method is based on the separation of different types of glycosaminoglycans in agarose gel and subsequent fixation and staining with the cationic dye
F Battaglini et al.
Bioconjugate chemistry, 5(5), 430-435 (1994-09-01)
The bimolecular rate constants for the reactions of five organic two-electron redox mediators with reduced glucose oxidase (GOx) were determined by measuring voltammetric electrocatalytic currents at glassy carbon electrodes in the presence of excess glucose under anaerobic conditions. The mediators
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service