4-(Methylsulfonyl)toluene
4-(Methylsulfonyl)toluene (CAS: 3185-99-7; C8H10O2S) is a sulfone compound with a molecular weight of 170.23 g/mol. This chemical is typically supplied at a purity of 97% and serves as a valuable building block in organic synthesis. Its applications span chemical research and the development of novel organic molecules, leveraging its distinct sulfonyl group for various chemical transformations.
- IUPAC
- Methyl p-tolyl sulfone
- Synonyms
- Methyl p-tolyl sulfone

Organic Synthesis Intermediate
4-(Methylsulfonyl)toluene is utilised as a key intermediate in the synthesis of more complex organic molecules. Its sulfone functionality allows for participation in a range of chemical reactions, facilitating the construction of diverse molecular architectures.
Research and Development
This compound finds application in research laboratories for exploring new synthetic pathways and developing novel chemical entities. It is a useful reagent for chemists investigating sulfone chemistry and its applications.
Building Block for Specialty Chemicals
As an organic building block, 4-(Methylsulfonyl)toluene can be incorporated into the synthesis of specialty chemicals. The presence of the methylsulfonyl group offers specific chemical properties that can be advantageous in targeted applications.
| Molecular weight | 170.23 |
|---|---|
| Empirical formula | C8H10O2S |
| Assay | 97% |
| Melting point | 85-89 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-37/38-41 |
| 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 4-(Methylsulfonyl)toluene used for?
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4-(Methylsulfonyl)toluene is used as a building block in organic synthesis and in research and development for creating new chemical entities and exploring synthetic pathways.
What are the CAS number and formula for 4-(Methylsulfonyl)toluene?
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The CAS number for 4-(Methylsulfonyl)toluene is 3185-99-7, and its empirical formula is C8H10O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Methylsulfonyl)toluene with an assay of 97%. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
What are the main safety hazards associated with 4-(Methylsulfonyl)toluene?
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4-(Methylsulfonyl)toluene is classified as dangerous. It can cause serious eye damage (H318), is harmful if swallowed (H302), causes skin irritation (H315), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (NIOSH N95), should be used.
How is 4-(Methylsulfonyl)toluene packed, shipped, and exported?
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Tech Serve Solutions packs and ships chemicals according to industry best practices and international regulations. We are experienced exporters serving a global clientele.
How can I request a sample or quote for 4-(Methylsulfonyl)toluene?
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To request a sample or a quotation for 4-(Methylsulfonyl)toluene, please contact our sales department through the website or by phone.
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