5-Iodo-1-methyl-1H-pyrazole
5-碘-1-甲基-1H-吡唑
Also known as: 1-Methyl-5-iodopyrazole, 5-Iodo-1-methylpyrazole, 1H-Pyrazole, 5-iodo-1-methyl-
5-Iodo-1-methyl-1H-pyrazole (CAS 34091-51-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5IN2 and a molecular weight of 208.000 g/mol. It is also known as 1-Methyl-5-iodopyrazole, 5-Iodo-1-methylpyrazole and 1H-Pyrazole, 5-iodo-1-methyl-. Key properties include a melting point of 78 °C, a boiling point of 226.9±13.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 91.1±19.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34091-51-5
- Jingsj CID
- J-1067942-9
- Molecular Formula
- C4H5IN2
- Chinese Name
- 5-碘-1-甲基-1H-吡唑
- Molecular Weight
- 208.000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 78 °C |
|---|---|
| Boiling Point | 226.9±13.0 °C at 760 mmHg |
| Density | 2.1±0.1 g/cm3 |
| Flash Point | 91.1±19.8 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 5-Iodo-1-methyl-1H-pyrazole?
The CAS number of 5-Iodo-1-methyl-1H-pyrazole is 34091-51-5.
What are the molecular formula and molecular weight of 5-Iodo-1-methyl-1H-pyrazole?
5-Iodo-1-methyl-1H-pyrazole has molecular formula C4H5IN2 and molecular weight 208.000 g/mol.
Is 5-Iodo-1-methyl-1H-pyrazole hazardous?
5-Iodo-1-methyl-1H-pyrazole has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Iodo-1-methyl-1H-pyrazole (CAS 34091-51-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1067942-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.