Molekula
3-Bromothiophene
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
3-Bromothiophene is a brominated heterocyclic compound used in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. It is a yellow to amber liquid with a pungent odor. CAS: 872-31-1, Molecular Formula: C4H3BrS, Molecular Weight: 163.04 g/mol. Store at ambient temperature. Hazard classification: Danger. Molekula supplies 3-Bromothiophene from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £57.00 per pack ex VAT · £68.40 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless to pale yellow clear liquid |
| Purity | min 97% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Flash Point | 52 °C |
| Transport Class | 6.1 (3) |
| Packing Group | I |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 61276618 |
| CAS Number | 872-31-1 |
| IUPAC Name | 3-bromothiophene |
| EC Number | 212-821-3 |
| Molecular Formula | C4H3BrS |
| Molecular Weight | 163.04 |
| Exact Mass | 161.9139 |
| SMILES | C1=CSC=C1Br |
| InChIKey | XCMISAPCWHTVNG-UHFFFAOYSA-N |
| InChI | InChI=1S/C4H3BrS/c5-4-1-2-6-3-4/h1-3H |
| PubChem CID | 13383 |
| UN Number | UN2929 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2934.99.9001 |
| Tariff Code | 2934999090 |
Safety & GHS
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Flammable
GHS02
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Toxic
GHS06
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Hazardous to the Environment
GHS09
Hazard statements
- H226 Flammable liquid and vapour
- H301 Toxic if swallowed
- H310 Fatal in contact with skin
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H330 Fatal if inhaled
- H335 May cause respiratory irritation
- H411 Toxic to aquatic life with long lasting effects
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 3-Bromothiofuran
- 3-bromothiphene
- 3-bromthiophene
- 3-Thienyl bromide
- beta-Bromothiophene
- Thiophene, 3-bromo-
- XCMISAPCWHTVNG-UHFFFAOYSA-N
Frequently asked questions
What is 3-Bromothiophene used for?
3-Bromothiophene is primarily used as a building block in organic synthesis, particularly in the development of pharmaceuticals and functional materials like organic semiconductors.
What is the chemical formula and molecular weight of 3-Bromothiophene?
The chemical formula is C4H3BrS and the molecular weight is 163.04 g/mol.
How should 3-Bromothiophene be stored?
It should be stored at ambient temperature, away from moisture and incompatible materials, and kept in a tightly sealed container.
What grade is available for 3-Bromothiophene?
Molekula supplies 3-Bromothiophene in technical grade; custom purity levels may be available upon request.
Can Molekula supply 3-Bromothiophene in bulk?
Yes, Molekula can supply 3-Bromothiophene in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of 3-Bromothiophene?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.