3-Bromothiophenol
3-Bromothiophenol (CAS: 6320-01-0, Formula: BrC6H4SH) is an organic sulfur compound with a molecular weight of 189.07 g/mol. This chemical is primarily utilised as a building block in organic synthesis. Its applications include the preparation of specific organometallic reagents and the synthesis of complex organic molecules featuring sulfonium functionalities. Available at a purity of 95%, it serves as a valuable reagent for research and development in chemistry.
- IUPAC
- 3-Bromobenzenethiol
- Synonyms
- 3-Bromobenzenethiol

Organic Synthesis Intermediate
3-Bromothiophenol serves as a key intermediate in the synthesis of various organic compounds. It is particularly useful for introducing brominated thiophenyl moieties into molecular structures.
Preparation of Organometallic Reagents
This compound has been employed in the preparation of specific organometallic reagents, such as 3-lithium-O-lithiophenoxide, facilitating advanced synthetic pathways.
Synthesis of Functionalised Molecules
It is used in the synthesis of complex molecules, including those functionalised with sulfonium groups, such as bis[(diarylamino)styryl]benzene derivatives.
| Molecular weight | 189.07 |
|---|---|
| Linear formula | BrC6H4SH |
| Assay | 95% |
| Boiling point | 123-124 °C/40 mmHg(lit.) |
| Density | 1.832 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.634(lit.) |
| Application | 3-Bromothiophenol has been used in the preparation of:• 3-lithium-O-lithiophenoxide1• bis[(diarylamino)styryl]benzene functionalized with sulfonium groups2 |

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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 105 °C / 221 °F |
| Transport (UN / ADR) | UN 3334 |
| 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
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 3-Bromothiophenol used for?
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3-Bromothiophenol is used as a building block in organic synthesis, including the preparation of organometallic reagents and functionalised molecules.
What is the CAS number and formula for 3-Bromothiophenol?
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The CAS number is 6320-01-0 and the chemical formula is BrC6H4SH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Bromothiophenol with an assay of 95%. This product is not represented as USP, BP, or EP grade.
How should 3-Bromothiophenol be handled safely?
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3-Bromothiophenol is classified with GHS07 symbol and a Warning signal word, with hazard statements H315, H319, and H335. It can cause skin irritation, serious eye irritation, and may cause respiratory irritation. Appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator should be used. Store in a well-ventilated place.
How is 3-Bromothiophenol packed and shipped?
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3-Bromothiophenol is packed and exported by Tech Serve Solutions in compliance with international shipping regulations for chemicals. Specific packaging details can be provided upon request.
How can I request a quote or sample of 3-Bromothiophenol?
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To request a quote or a sample of 3-Bromothiophenol, please contact the Tech Serve Solutions sales team via our website or by phone.
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