Molekula
4-Bromo-1H-imidazole
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
4-Bromo-1H-imidazole is a brominated heterocyclic compound primarily used as a synthetic intermediate in pharmaceuticals, agrochemicals, and materials science for its reactive imidazole core. It enables the creation of biologically active molecules and functional polymers. This chemical has a CAS number of 2302-25-2, a molecular formula of C3N2H3Br, and a molecular weight of 146.97. It is stored at ambient temperatures and carries a **Danger** signal word due to its hazardous properties. Molekula supplies 4-Bromo-1H-imidazole 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
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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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
Specifications available on request — see Documents below or contact our sales team.
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Base |
Identification
| Property | Value |
|---|---|
| SKU | 90027160 |
| CAS Number | 2302-25-2 |
| IUPAC Name | 5-bromo-1H-imidazole |
| Molecular Formula | C3N2H3Br |
| Molecular Weight | 146.97 |
| Exact Mass | 145.948 |
| SMILES | C1=C(NC=N1)Br |
| InChIKey | FHZALEJIENDROK-UHFFFAOYSA-N |
| InChI | InChI=1S/C3H3BrN2/c4-3-1-5-2-6-3/h1-2H,(H,5,6) |
| PubChem CID | 96125 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 29332990 |
| Tariff Code | 2933299090 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 1H-Imidazole, 4-bromo-
- 1H-Imidazole, 5-bromo-
- 3kqm
- 4-Bromoimidazole
- 4(or 5)-Bromoimidazole
- 5-bromo-1H-imidazole
- 5-bromoimidazole
- Imidazole, 4-bromo-
- Imidazole, 4(or 5)-bromo-
- Imidazole, 4(or 5)-bromo-(6CI,7CI)
Frequently asked questions
What is 4-Bromo-1H-imidazole commonly used for?
4-Bromo-1H-imidazole is primarily used as a building block in organic synthesis, particularly for the preparation of pharmaceuticals, agrochemicals, and heterocyclic compounds.
What is the molecular formula and molecular weight of 4-Bromo-1H-imidazole?
The molecular formula is **C₃N₂H₃Br** and the molecular weight is **146.97 g/mol**.
How should 4-Bromo-1H-imidazole be stored?
Store at **ambient temperature** in a cool, dry place, away from incompatible substances and moisture.
What purity grades are available for this product?
Molekula supplies 4-Bromo-1H-imidazole in **analytical (98%+)** and **synthetic (97%+)** grades.
Can Molekula supply 4-Bromo-1H-imidazole in bulk quantities?
Yes, we offer bulk quantities (typically ≥5 kg) for industrial and research applications—please contact us for pricing and lead times.
What documentation comes with an order of 4-Bromo-1H-imidazole?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
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.