Diethyl 3,5-pyrazoledicarboxylate
Also known as: 1H-Pyrazole-3,5-dicarboxylic acid diethyl ester, Diethyl 1H-pyrazole-3,5-dicarboxylate, Diethyl pyrazole-3,5-dicarboxylate, 3,5-Pyrazoledicarboxylic acid diethyl ester, 3,5-(Diethoxycarbonyl)-1H-pyrazole
Diethyl 3,5-pyrazoledicarboxylate (CAS 37687-24-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H12N2O4 and a molecular weight of 212.203 g/mol. Key properties include a melting point of 55-58 °C(lit.), a boiling point of 362.5±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 173.0±22.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 37687-24-4
- Jingsj CID
- J-845662-0
- Molecular Formula
- C9H12N2O4
- Molecular Weight
- 212.203 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 55-58 °C(lit.) |
|---|---|
| Boiling Point | 362.5±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 173.0±22.3 °C |
| Exact Mass | 212.079712 |
| PSA | 81.28000 |
| LogP | 1.21 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.520 |
GHS Safety & Compliance
- 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 Diethyl 3,5-pyrazoledicarboxylate?
The CAS number of Diethyl 3,5-pyrazoledicarboxylate is 37687-24-4.
What are the molecular formula and molecular weight of Diethyl 3,5-pyrazoledicarboxylate?
Diethyl 3,5-pyrazoledicarboxylate has molecular formula C9H12N2O4 and molecular weight 212.203 g/mol.
Is Diethyl 3,5-pyrazoledicarboxylate hazardous?
Diethyl 3,5-pyrazoledicarboxylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl 3,5-pyrazoledicarboxylate (CAS 37687-24-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-845662-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.