4,5-Dibromo-1-methyl-1H-imidazole
Also known as: 4,5-DIBROMO-1-METHYLIMIDAZOLE, 1H-Imidazole, 4,5-dibromo-1-methyl-, 4,5-Dibromo-1-methylimidazole, MFCD00955568
4,5-Dibromo-1-methyl-1H-imidazole (CAS 1003-50-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4Br2N2 and a molecular weight of 239.89600 g/mol. Key properties include a melting point of 68-71ºC, a boiling point of 339ºC at 760mmHg, a density of 2.22g/cm3 and a flash point of 158.8ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-50-5
- Jingsj CID
- J-1358008-0
- Molecular Formula
- C4H4Br2N2
- Molecular Weight
- 239.89600 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 68-71ºC |
|---|---|
| Boiling Point | 339ºC at 760mmHg |
| Density | 2.22g/cm3 |
| Flash Point | 158.8ºC |
| Exact Mass | 237.87400 |
| PSA | 17.82000 |
| LogP | 1.94510 |
| Vapor Pressure | 0.000186mmHg at 25°C |
| Refractive Index | 1.671 |
| Storage Conditions | Keep Cold |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 4,5-Dibromo-1-methyl-1H-imidazole?
The CAS number of 4,5-Dibromo-1-methyl-1H-imidazole is 1003-50-5.
What are the molecular formula and molecular weight of 4,5-Dibromo-1-methyl-1H-imidazole?
4,5-Dibromo-1-methyl-1H-imidazole has molecular formula C4H4Br2N2 and molecular weight 239.89600 g/mol.
Is 4,5-Dibromo-1-methyl-1H-imidazole hazardous?
4,5-Dibromo-1-methyl-1H-imidazole has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Dibromo-1-methyl-1H-imidazole (CAS 1003-50-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1358008-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.