Sulfur trioxide triethylamine complex
Sulfur trioxide triethylamine complex (CAS 761-01-3), molecular formula (CH3CH2)3N · SO3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis 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
- NSC 68185,NSC 8168,Triethylamine sulfur trioxide complex

| Molecular weight | 181.25 |
|---|---|
| Linear formula | (CH3CH2)3N · SO3 |
| Assay | ≥95% sulfur basis (ICP) |
| Grade | technical |
| Storage temperature | 2-8°C |
| Application | Reactant for reagent for synthesis of:• Anticoagulant and antiplatelet persulfated glycosides1 or flavonoids containing an oligopolysulfated moiety2• Narciclasine derivatives for use as anticancer agents3• Sulfate-conjugated methylprednisolone for use as a colon-specific prodrug4• Tetrasaccharide substrates of heparanase by glycosylation of disaccharides5• Synthetic heparin oligosaccharide microarrays for analysis of heparin-protein interactions6• Dexamethasone 21-sulfate sodium for use as a colon-specific prodrug7 |
| Melting point | ~85 °C |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 Sulfur trioxide triethylamine complex?
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Sulfur trioxide triethylamine complex (CAS 761-01-3), molecular formula (CH3CH2)3N · SO3, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Sulfur trioxide triethylamine complex does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sulfur trioxide triethylamine complex 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 Sulfur trioxide triethylamine complex?
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Sulfur trioxide triethylamine complex has CAS number 761-01-3 and molecular formula (CH3CH2)3N · SO3. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Sulfur trioxide triethylamine complex?
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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 Sulfur trioxide triethylamine complex 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 Sulfur trioxide triethylamine complex be stored?
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Store Sulfur trioxide triethylamine complex 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 Sulfur trioxide triethylamine complex used for?
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Sulfur trioxide triethylamine complex is used in chemical synthesis 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 Sulfur trioxide triethylamine complex?
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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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