5-Bromo-1-methyl-1H-imidazole
5-溴-1-甲基-1H-咪唑
Also known as: 5-Bromo-1-methylimidazole, 1H-Imidazole, 5-bromo-1-methyl-, 5-BROMO-1-METHYLIMIDAZOLE, 5-BROMO-N-METHYLIMIDAZOLE, MFCD01632218
5-Bromo-1-methyl-1H-imidazole (CAS 1003-21-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5BrN2 and a molecular weight of 161.000 g/mol. It is also known as 5-Bromo-1-methylimidazole, 1H-Imidazole, 5-bromo-1-methyl- and 5-BROMO-1-METHYLIMIDAZOLE. Key properties include a melting point of 40-44 °C(lit.), a boiling point of 271.7±13.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 118.1±19.8 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1003-21-0
- Jingsj CID
- J-25987-1
- Molecular Formula
- C4H5BrN2
- Chinese Name
- 5-溴-1-甲基-1H-咪唑
- Molecular Weight
- 161.000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 40-44 °C(lit.) |
|---|---|
| Boiling Point | 271.7±13.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 118.1±19.8 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 5-Bromo-1-methyl-1H-imidazole?
The CAS number of 5-Bromo-1-methyl-1H-imidazole is 1003-21-0.
What are the molecular formula and molecular weight of 5-Bromo-1-methyl-1H-imidazole?
5-Bromo-1-methyl-1H-imidazole has molecular formula C4H5BrN2 and molecular weight 161.000 g/mol.
Is 5-Bromo-1-methyl-1H-imidazole hazardous?
5-Bromo-1-methyl-1H-imidazole has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Bromo-1-methyl-1H-imidazole (CAS 1003-21-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25987-1 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.