Tech Serve Solutions

Methyl p-toluenesulfonate

CAS 80-48-8CH3C6H4SO3CH3Organic Building Blocks

Methyl p-toluenesulfonate (CAS 80-48-8), molecular formula CH3C6H4SO3CH3, is a high-purity chemical supplied by Tech Serve Solutions for organic building blocks 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.

Methyl p-toluenesulfonate
Building BlocksChemical SynthesisOrganic Building BlocksSulfur CompoundsTosylates
01 /Properties
Molecular weight186.23
Linear formulaCH3C6H4SO3CH3
Assay98%
Boiling point144-145 °C/5 mmHg(lit.)
Density1.234 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.5172(lit.)
Vapour pressure1 mmHg (20 °C)
Melting point25-28 °C(lit.)
Vapour density6.45 (vs air)
Autoignition temp896 °F
Storage temperature2-8°C
02 /Safety & handling
Corrosive
Corrosive
Harmful / irritant
Harmful / irritant
Danger

Hazard statements

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H317May cause an allergic skin reaction

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentEyeshields, 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 point113 °C / 235.4 °F
Transport (UN / ADR)UN 3261 8 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)C
Risk statements (R)22-34-43
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.

03 /Identifiers & registry
CAS number
80-48-8
MDL number
MFCD00008417
PubChem substance
24849783
Beilstein registry
609209
04 /Quality & supply

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.

05 /Frequently asked questions

What is Methyl p-toluenesulfonate?

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Methyl p-toluenesulfonate (CAS 80-48-8), molecular formula CH3C6H4SO3CH3, is a high-purity chemical supplied by Tech Serve Solutions for organic building blocks applications, to USP, BP and EP standards.

What grades of Methyl p-toluenesulfonate does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Methyl 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 Methyl p-toluenesulfonate?

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Methyl p-toluenesulfonate has CAS number 80-48-8 and molecular formula CH3C6H4SO3CH3. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Methyl 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 Methyl 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 Methyl p-toluenesulfonate be stored?

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Store Methyl 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 Methyl p-toluenesulfonate used for?

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Methyl p-toluenesulfonate is used in organic building blocks 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 Methyl 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.

Need Methyl p-toluenesulfonate in a specific grade or volume?

Request a quote