Lawesson reagent
Lawesson reagent (CAS 19172-47-5), molecular formula C14H14O2P2S4, 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
- 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane,2,4-Bis-(4-methoxyphenyl)-1,3-dithia-2,4-diphosphetane 2,4-disulfide,4-Methoxyphenylthiophosphoric cyclic di(thioanhydride),LR
| Molecular weight | 404.47 |
|---|---|
| Empirical formula | C14H14O2P2S4 |
| Assay | 97% |
| Application | Thiation reagent used recently to generate tropothione in situ at room temperature and trapping it with dieneophiles.1 |
| Melting point | 228-230 °C(lit.) |
Hazard statements
- H261In contact with water releases flammable gas
Precautionary statements
- P231Handle under inert gas
- P422
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | F |
| Risk statements (R) | 15/29 |
| Safety statements (S) | 7/8-43 |
| Supplemental hazards | Contact with water liberates toxic gas. |
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 Lawesson reagent?
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Lawesson reagent (CAS 19172-47-5), molecular formula C14H14O2P2S4, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Lawesson reagent does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lawesson reagent 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 Lawesson reagent?
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Lawesson reagent has CAS number 19172-47-5 and molecular formula C14H14O2P2S4. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Lawesson reagent?
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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 Lawesson reagent 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 Lawesson reagent be stored?
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Store Lawesson reagent 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 Lawesson reagent used for?
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Lawesson reagent 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 Lawesson reagent?
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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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