Diethyl 3,4-pyridinedicarboxylate
Also known as: Diethyl pyridine-3,4-dicarboxylate, 3,4-Pyridinedicarboxylic acid diethyl ester, Cinchomeronic ester, 3,4-diethyl pyridine-3,4-dicarboxylate, Diethyl 3,4-pyridinedicarboxylate 97
Diethyl 3,4-pyridinedicarboxylate (CAS 1678-52-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C11H13NO4 and a molecular weight of 223.225 g/mol. Key properties include a melting point of 18.11 °C(Predicted), a boiling point of 294.1±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 123.4±21.8 °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.
- 1678-52-0
- Jingsj CID
- J-43123-2
- Molecular Formula
- C11H13NO4
- Molecular Weight
- 223.225 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 18.11 °C(Predicted) |
|---|---|
| Boiling Point | 294.1±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 123.4±21.8 °C |
| Exact Mass | 223.084457 |
| PSA | 65.49000 |
| LogP | 1.57 |
| Appearance | Liquid | Clear colorless to yellow |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.509 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine 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 3,4-pyridinedicarboxylate?
The CAS number of Diethyl 3,4-pyridinedicarboxylate is 1678-52-0.
What are the molecular formula and molecular weight of Diethyl 3,4-pyridinedicarboxylate?
Diethyl 3,4-pyridinedicarboxylate has molecular formula C11H13NO4 and molecular weight 223.225 g/mol.
Is Diethyl 3,4-pyridinedicarboxylate hazardous?
Diethyl 3,4-pyridinedicarboxylate has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Diethyl 3,4-pyridinedicarboxylate?
For Diethyl 3,4-pyridinedicarboxylate, Upstream Products: Ethanol, 3,4-Pyridinedicarboxylic acid; Downstream Products: 1H-Pyrrolo[3,4-c]pyridine-1,3(2H)-dione, 1,3-Diphenylurea.
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 3,4-pyridinedicarboxylate (CAS 1678-52-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43123-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.