4-(Methylthio)benzyl bromide
4-(Methylthio)benzyl bromide (CAS 38185-19-2), with the molecular formula C8H9BrS and a molecular weight of 217.13 g/mol, is a key organic building block. This sulfur-containing compound is valuable in chemical synthesis for introducing the 4-(methylthio)benzyl moiety into various molecular structures. It is primarily utilised in research and development settings for the creation of novel chemical entities.

Organic Synthesis Intermediate
Serves as a versatile intermediate in organic synthesis, enabling the formation of carbon-carbon or carbon-heteroatom bonds. Its benzyl bromide functionality allows for straightforward alkylation reactions.
Pharmaceutical Research
Potentially used in the early stages of drug discovery and development for the synthesis of novel pharmaceutical candidates. The thioether and benzyl bromide functionalities offer diverse derivatisation opportunities.
Material Science Applications
Can be employed in the development of specialised polymers or functional materials where the incorporation of sulfur-containing aromatic groups is desired.
| Molecular weight | 217.13 |
|---|---|
| Empirical formula | C8H9BrS |
| Assay | 97% |
| Melting point | 43-47 °C(lit.) |


Hazard statements
- H301Toxic 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
- P301IF SWALLOWED
- 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 | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 2923 8/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 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.
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-(Methylthio)benzyl bromide used for?
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4-(Methylthio)benzyl bromide (CAS 38185-19-2) is primarily used as a building block in organic synthesis and in pharmaceutical research for creating novel chemical structures.
What are the CAS number and formula for 4-(Methylthio)benzyl bromide?
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The CAS number is 38185-19-2 and the empirical formula is C8H9BrS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-(Methylthio)benzyl bromide with a minimum assay of 97%. This product is intended for research and laboratory use and is not represented as USP, BP, or EP grade.
How should 4-(Methylthio)benzyl bromide be handled safely?
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4-(Methylthio)benzyl bromide is classified as Danger, with hazards including H301 (Toxic if swallowed) and H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, is essential. Always consult the Safety Data Sheet before handling.
Is 4-(Methylthio)benzyl bromide a controlled substance?
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Based on the provided data, there is no indication that 4-(Methylthio)benzyl bromide is a controlled substance.
How is 4-(Methylthio)benzyl bromide packed, shipped, and exported?
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This chemical is shipped under UN 2923, Hazard Class 8, Packing Group II. Tech Serve Solutions is experienced in global export and adheres to all international shipping regulations for hazardous materials.
How can I request a sample or a quote for 4-(Methylthio)benzyl bromide?
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To request a sample or a quote, please contact our sales department through the website or by calling us directly. Our team will be pleased to assist you.
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