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 2000 · 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.
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.