Phenyl methanesulfonate
Phenyl methanesulfonate (CAS: 16156-59-5), with the molecular formula CH3SO3C6H5 and a molar mass of 172.20 g/mol, is a sulfur-containing organic compound. It serves as a valuable building block in chemical synthesis. Primarily utilised in organic chemistry research and the development of new compounds, it functions as a reagent in various synthetic pathways.

Chemical Synthesis Reagent
Phenyl methanesulfonate is employed as a key intermediate and reagent in diverse organic synthesis reactions. Its structure allows for various chemical transformations, contributing to the creation of complex molecules.
Organic Building Block
As an organic building block, this compound facilitates the construction of more intricate chemical structures. It is frequently used in academic and industrial research settings for novel compound development.
Sulfonate Chemistry
This chemical is relevant in the study and application of sulfonate compounds. It can be used to introduce the phenylmethanesulfonyl group into other molecules.
| Molecular weight | 172.20 |
|---|---|
| Linear formula | CH3SO3C6H5 |
| Assay | 98% |
| Boiling point | 279 °C(lit.) |
| Melting point | 58-61 °C(lit.) |

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 |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets 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 Phenyl methanesulfonate used for?
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Phenyl methanesulfonate is used as a building block and reagent in chemical synthesis, particularly in organic chemistry research for the development of new compounds.
What is the CAS number and formula for Phenyl methanesulfonate?
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The CAS number is 16156-59-5 and the linear formula is CH3SO3C6H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Phenyl methanesulfonate with an assay of 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
How should Phenyl methanesulfonate be handled safely?
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Handle Phenyl methanesulfonate with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Ensure adequate ventilation, and avoid breathing dust, fumes, or vapours. It is classified as causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Is Phenyl methanesulfonate a controlled substance?
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The provided data does not indicate that Phenyl methanesulfonate is a controlled substance.
How is Phenyl methanesulfonate packed and exported?
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Tech Serve Solutions specialises in the global supply and export of fine chemicals. Specific packing and shipping details can be provided upon request, adhering to international regulations.
How can I request a quote or sample for Phenyl methanesulfonate?
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To request a quote or a sample of Phenyl methanesulfonate, please contact our sales department via the website or direct inquiry channels.
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