Xylenol Orange tetrasodium salt
Xylenol Orange tetrasodium salt (CAS 3618-43-7), molecular formula C31H28N2Na4O13S, 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
- 3,3′-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein tetrasodium salt

| Molecular weight | 760.58 |
|---|---|
| Empirical formula | C31H28N2Na4O13S |
| Melting point | 195 °C (dec.)(lit.) |
| Protective equipment | Eyeshields, 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.
| Absorption | λmax 580 nm |
|---|
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.
What is Xylenol Orange tetrasodium salt?
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Xylenol Orange tetrasodium salt (CAS 3618-43-7), molecular formula C31H28N2Na4O13S, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.
What grades of Xylenol Orange tetrasodium salt does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Xylenol Orange tetrasodium 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 Xylenol Orange tetrasodium salt?
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Xylenol Orange tetrasodium salt has CAS number 3618-43-7 and molecular formula C31H28N2Na4O13S. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Xylenol Orange tetrasodium 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 Xylenol Orange tetrasodium 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 Xylenol Orange tetrasodium salt be stored?
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Store Xylenol Orange tetrasodium 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 Xylenol Orange tetrasodium salt used for?
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Xylenol Orange tetrasodium 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 Xylenol Orange tetrasodium 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.
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