O-Acetylsalicyloyl chloride
O-Acetylsalicyloyl chloride (CAS 5538-51-2), molecular formula 2-(CH3CO2)C6H4COCl, 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.
| Molecular weight | 198.60 |
|---|---|
| Linear formula | 2-(CH3CO2)C6H4COCl |
| Assay | 95% |
| Boiling point | 107-110 °C/0.1 mmHg(lit.) |
| Refractive index | n20/D 1.536(lit.) |
| Application | • O-Acetylsalicyloyl chloride was used in the synthesis of enantiomerically pure bidentate heteroorganic ligands built on simple achiral skeletons and containing an aziridine moiety1.• It was used in the general synthesis of acetoxybenzamides2.• It was used in the chemical synthesis of 2,2,6,6-tetramethyl-1-piperidinyloxy(TEMPO)-aspirin conjugate via condensation reaction with 4-hydroxy-TEMPO3.• It was used as reagent in acylation of cyclobutenediones4. |
| Melting point | 45-49 °C(lit.) |
Hazard statements
- H302Harmful if swallowed
- 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 |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Transport (UN / ADR) | UN 3261 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 22-34-37 |
| 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 O-Acetylsalicyloyl chloride?
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O-Acetylsalicyloyl chloride (CAS 5538-51-2), molecular formula 2-(CH3CO2)C6H4COCl, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of O-Acetylsalicyloyl chloride does Tech Serve Solutions supply?
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Tech Serve Solutions supplies O-Acetylsalicyloyl chloride 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 O-Acetylsalicyloyl chloride?
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O-Acetylsalicyloyl chloride has CAS number 5538-51-2 and molecular formula 2-(CH3CO2)C6H4COCl. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for O-Acetylsalicyloyl chloride?
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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 O-Acetylsalicyloyl chloride 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 O-Acetylsalicyloyl chloride be stored?
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Store O-Acetylsalicyloyl chloride 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 O-Acetylsalicyloyl chloride used for?
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O-Acetylsalicyloyl chloride 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 O-Acetylsalicyloyl chloride?
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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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