Ethyl p-toluenesulfonate
Ethyl p-toluenesulfonate (CAS 80-40-0), molecular formula CH3C6H4SO3C2H5, 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 | 200.25 |
|---|---|
| Linear formula | CH3C6H4SO3C2H5 |
| Assay | ≥99.0% (GC) |
| Boiling point | 158-162 °C/10 mmHg(lit.) |
| Density | 1.174 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.511(lit.) |
| Application | Ethyl p-toluenesulfonate was used in a study to develop a fast and accurate method for determination of residues of some common alkylating agents employed in drug synthesis by in situ derivatization–headspace–gas chromatography–mass spectrometry1. Ethyl p-toluenesulfonate was used to develop an extraction method for methyl and ethyl esters of various sulfonic acids in active pharmaceutical ingredients using solid-phase microextraction coupled to GC/MS in the selected ion monitoring mode2. |
| Melting point | 29-33 °C(lit.)29-33 °C |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 158 °C / 316.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 Ethyl p-toluenesulfonate?
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Ethyl p-toluenesulfonate (CAS 80-40-0), molecular formula CH3C6H4SO3C2H5, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.
What grades of Ethyl p-toluenesulfonate does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl p-toluenesulfonate 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 Ethyl p-toluenesulfonate?
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Ethyl p-toluenesulfonate has CAS number 80-40-0 and molecular formula CH3C6H4SO3C2H5. Full specifications appear in the table above and in the Certificate of Analysis.
What is the typical minimum order quantity and lead time for Ethyl p-toluenesulfonate?
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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 Ethyl p-toluenesulfonate 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 Ethyl p-toluenesulfonate be stored?
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Store Ethyl p-toluenesulfonate 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 Ethyl p-toluenesulfonate used for?
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Ethyl p-toluenesulfonate 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 Ethyl p-toluenesulfonate?
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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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