3,5-Dimethyl-1-phenyl-1H-pyrazole
Also known as: 3,5-Dimethyl-1-phenylpyrazole, 1-Phenyl-3,5-dimethyl-1H-pyrazole, Dimethylphenylpyrazole, Phenyldimethylpyrazole, AKOS B006749, MFCD00020728, EINECS 214-462-8, Pyrazole, 3,5-dimethyl-1-phenyl-
3,5-Dimethyl-1-phenyl-1H-pyrazole (CAS 1131-16-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H12N2 and a molecular weight of 172.226 g/mol. Key properties include a melting point of 144-145ºC, a boiling point of 272.5±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 118.6±18.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1131-16-4
- Jingsj CID
- J-390-7
- Molecular Formula
- C11H12N2
- Molecular Weight
- 172.226 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 144-145ºC |
|---|---|
| Boiling Point | 272.5±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 118.6±18.7 °C |
| Exact Mass | 172.100052 |
| PSA | 17.82000 |
| LogP | 3.04 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.573 |
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 3,5-Dimethyl-1-phenyl-1H-pyrazole?
The CAS number of 3,5-Dimethyl-1-phenyl-1H-pyrazole is 1131-16-4.
What are the molecular formula and molecular weight of 3,5-Dimethyl-1-phenyl-1H-pyrazole?
3,5-Dimethyl-1-phenyl-1H-pyrazole has molecular formula C11H12N2 and molecular weight 172.226 g/mol.
What are the upstream and downstream products of 3,5-Dimethyl-1-phenyl-1H-pyrazole?
For 3,5-Dimethyl-1-phenyl-1H-pyrazole, Upstream Products: Phenylhydrazine, 2,4-Pentanedione, 3,5-Dimethylpyrazole; Downstream Products: 3,5-Pyrazoledicarboxylic acid, 3,5-Dimethylpyrazole, 3,5-dimethyl-1-phenyl-1H-pyrazole-4-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Dimethyl-1-phenyl-1H-pyrazole (CAS 1131-16-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-390-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.