3-Methylpyrazole
Also known as: 3-Methyl-1H-pyrazole, 5-Methylpyrazole, 3(5)-Methylpyrazole, 3-Methyl-1,2-diazole, 1H-Pyrazole, 3-methyl-, 1H-Pyrazole, 5-methyl-, Pyrazole, 3-methyl, Pyrazole, 5-methyl, AKOS B022230, AKOS PAO-1147, ART-CHEM-BB B022230, MFCD00005240, EINECS 215-925-7
3-Methylpyrazole (CAS 1453-58-3) 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 melting point of 36 - 37ºC, a boiling point of 204.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 87.4±11.7 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H314 — Causes severe skin burns and eye damage and H361 — Suspected of damaging fertility or the unborn child. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1453-58-3
- Jingsj CID
- J-19319-1
- 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
| Melting Point | 36 - 37ºC |
|---|---|
| Boiling Point | 204.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 87.4±11.7 °C |
| Exact Mass | 82.053101 |
| PSA | 28.68000 |
| LogP | 0.78 |
| Vapor Pressure | 0.4±0.3 mmHg at 25°C |
| Refractive Index | 1.523 |
| Additional Property | miscible |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
- H361 — Suspected of damaging fertility or the unborn child
Activity & Biological Data
| Additional Information | [1]. G.W. McCarty, et al. Inhibition of nitrification in soil by heterocyclic nitrogen compounds. Biol Fertil Soils (1989) 8:204-211. [2]. Fiala ES, et al. Differential effects of 4-iodopyrazole and 3-methylpyrazole on the metabolic activation of methylazoxymethanol to a DNA methylating species by rat liver and rat colon mucosa in vivo. J Cancer Res Clin Oncol. 1987;113(2):145-50. |
|---|
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 3-Methylpyrazole?
The CAS number of 3-Methylpyrazole is 1453-58-3.
What are the molecular formula and molecular weight of 3-Methylpyrazole?
3-Methylpyrazole has molecular formula C4H6N2 and molecular weight 82.104 g/mol.
Is 3-Methylpyrazole hazardous?
3-Methylpyrazole has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage; H361 — Suspected of damaging fertility or the unborn child.
What are the upstream and downstream products of 3-Methylpyrazole?
For 3-Methylpyrazole, Upstream Products: 1,2-dichloroethane, 4,4-Dimethoxy-2-butanone, Diacetylene; Downstream Products: 3-Methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-(4-Chlorophenyl)-3-methyl-1H-pyrazole, 3-Methyl-1H-pyrazole-1-carboxamide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Methylpyrazole (CAS 1453-58-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19319-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.