4,4′-Diamino-2,2′-stilbenedisulfonic acid

4,4′-Diamino-2,2′-stilbenedisulfonic acid (CAS 81-11-8), molecular formula C14H14N2O6S2, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

Tech Serve Solutions supplies 4,4′-Diamino-2,2′-stilbenedisulfonic acid in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

4,4′-Diamino-2,2′-stilbenedisulfonic acid has CAS number 81-11-8 and molecular formula C14H14N2O6S2. Full specifications appear in the table above and in the Certificate of Analysis.

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.

Yes. Every batch of 4,4′-Diamino-2,2′-stilbenedisulfonic acid 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.

Store 4,4′-Diamino-2,2′-stilbenedisulfonic acid 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.

4,4′-Diamino-2,2′-stilbenedisulfonic acid is used in chemical synthesis applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

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.