1-Methylpyrazole
Also known as: 1-Methyl-1H-pyrazole, N-Methylpyrazole, 1-Methylpyrazol, 1H-Pyrazole, 1-methyl-, Methylpyrazole
1-Methylpyrazole (CAS 930-36-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6N2 and a molecular weight of 82.104 g/mol. Key properties include a boiling point of 127.0±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 26.2±18.7 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 930-36-9
- Jingsj CID
- J-40820-8
- Molecular Formula
- C4H6N2
- Molecular Weight
- 82.104 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 127.0±0.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 26.2±18.7 °C |
| Exact Mass | 82.053101 |
| PSA | 17.82000 |
| LogP | 0.17 |
| Vapor Pressure | 13.8±0.2 mmHg at 25°C |
| Refractive Index | 1.525 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole 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 1-Methylpyrazole?
The CAS number of 1-Methylpyrazole is 930-36-9.
What are the molecular formula and molecular weight of 1-Methylpyrazole?
1-Methylpyrazole has molecular formula C4H6N2 and molecular weight 82.104 g/mol.
Is 1-Methylpyrazole hazardous?
1-Methylpyrazole has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1-Methylpyrazole?
For 1-Methylpyrazole, Upstream Products: Pyrazole, Chloromethane, Iodoethane; Downstream Products: 4-Iodo-1-methyl-1H-pyrazole, 4-Chloro-1-methyl-1H-pyrazole, 5-Iodo-1-methyl-1H-pyrazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methylpyrazole (CAS 930-36-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40820-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.