Tech Serve Solutions

Variamine Blue RT Salt

CAS 4477-28-5C6H5NHC6H4N2 · HSO4Cell Biology

Variamine Blue RT Salt (CAS 4477-28-5), molecular formula C6H5NHC6H4N2 · HSO4, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
4-Aminodiphenylamine diazonium sulfate,4-Diazodiphenylamine sulfate,Azoic Diazo Component 22,Azoic Diazo No. 22
Variamine Blue RT Salt
Cell BiologyHematology and HistologyStains & DyesA to ZStains and DyesT-U-V
01 /Properties
Molecular weight293.30
Linear formulaC6H5NHC6H4N2 · HSO4
02 /Safety & handling
Protective equipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
4477-28-5
MDL number
MFCD00011895
PubChem substance
24852009
04 /Additional specifications
Colour Index Number37240
Absorptionλmax 377 nm
05 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Variamine Blue RT Salt?

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Variamine Blue RT Salt (CAS 4477-28-5), molecular formula C6H5NHC6H4N2 · HSO4, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.

What grades of Variamine Blue RT Salt does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Variamine Blue RT Salt in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of Variamine Blue RT Salt?

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Variamine Blue RT Salt has CAS number 4477-28-5 and molecular formula C6H5NHC6H4N2 · HSO4. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Variamine Blue RT Salt?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of Variamine Blue RT Salt ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should Variamine Blue RT Salt be stored?

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Store Variamine Blue RT Salt in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is Variamine Blue RT Salt used for?

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Variamine Blue RT Salt is used in cell biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for Variamine Blue RT Salt?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need Variamine Blue RT Salt in a specific grade or volume?

Request a quote