Skip to Content
Merck
All Photos(2)

Key Documents

More Documents

201464

Sigma-Aldrich

Variamine Blue RT Salt

Synonym(s):

4-Aminodiphenylamine diazonium sulfate, 4-Diazodiphenylamine sulfate, Azoic Diazo Component 22, Azoic Diazo No. 22

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

About This Item

Linear Formula:
C6H5NHC6H4N2 · HSO4
CAS Number:
4477-28-5
Molecular Weight:
293.30
Colour Index Number:
37240
EC Number:
224-756-8
MDL number:
MFCD00011895
UNSPSC Code:
12171500
PubChem Substance ID:
24852009
NACRES:
NA.47

form

solid

solubility

1 M HCl: 10 mg/mL

λmax

377 nm

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

OS([O-])(=O)=O.N#[N+]c1ccc(Nc2ccccc2)cc1

InChI

1S/C12H10N3.H2O4S/c13-15-12-8-6-11(7-9-12)14-10-4-2-1-3-5-10;1-5(2,3)4/h1-9,14H;(H2,1,2,3,4)/q+1;/p-1

InChI key

FMRQRWPEQSPSDG-UHFFFAOYSA-M

Related Categories

Application

Variamine Blue RT Salt has been used as a dye in ultraviolet-visible spectrophotometric method based-uricase enzyme for the detection of uric acid in normal urine. It is also used in combination with naphthol AS-MX phosphate-variam to determine the cytochemical visualization of alkaline phosphatase activity.

Signal Word

Danger

Hazard Statements

H315 - H318 - H341 - H400

Hazard Classifications

Aquatic Acute 1 - Eye Dam. 1 - Muta. 2 - Skin Irrit. 2

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

Manasvi Verma et al.
Nature communications, 10(1), 5774-5774 (2019-12-20)
Translation initiation is a major rate-limiting step for protein synthesis. However, recent studies strongly suggest that the efficiency of protein synthesis is additionally regulated by multiple factors that impact the elongation phase. To assess the influence of early elongation on
Localization Mechanisms in Enzyme Cytochemistry
Studied with Alkaline Phosphatase-loaded
Erythrocyte Ghosts?
RAAP A K
The Journal of Histochemistry and Cytochemistry, 32, 815-820 (1984)

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