1,5-Dimethyl-1H-pyrazole
1,5-二甲基-1H-吡唑
Also known as: 1,5-Dimethylpyrazole, 1,5-dimethylpyrazole, 1,5-dimethyl-1H-pyrazole, 1,5-Dimethyl-1H-pyrazol
1,5-Dimethyl-1H-pyrazole (CAS 694-31-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H10Cl2N2 and a molecular weight of 277.149 g/mol. It is also known as 1,5-Dimethylpyrazole, 1,5-dimethylpyrazole and 1,5-dimethyl-1H-pyrazole. Key properties include a boiling point of 505.6±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 291.1±12.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 694-31-5
- Jingsj CID
- J-1090627-5
- Molecular Formula
- C14H10Cl2N2
- Chinese Name
- 1,5-二甲基-1H-吡唑
- Molecular Weight
- 277.149 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 505.6±40.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 291.1±12.9 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 1,5-Dimethyl-1H-pyrazole?
The CAS number of 1,5-Dimethyl-1H-pyrazole is 694-31-5.
What are the molecular formula and molecular weight of 1,5-Dimethyl-1H-pyrazole?
1,5-Dimethyl-1H-pyrazole has molecular formula C14H10Cl2N2 and molecular weight 277.149 g/mol.
Is 1,5-Dimethyl-1H-pyrazole hazardous?
1,5-Dimethyl-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. "1,5-Dimethyl-1H-pyrazole (CAS 694-31-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1090627-5 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.