2,6-Pyridinedicarboxaldehyde
Also known as: 2,6-Diformylpyridine, 2,6-Pyridinedicarbaldehyde, 2,6-Pyridine dialdehyde, 2,6-pyridinecarboxaldehyde, 2,6-dicarboxaldehydepyridine, Pyridine-2,6-dicarbaldehyde, Pyridine-2,6-biscarbaldehyde, Pyridin-2,6-dicarbaldehyd, 2,6-PYRIDINEDICARBOXADEHYDE, 2,6-PYRIDINEDICARBOXALDEHYDE 97%
2,6-Pyridinedicarboxaldehyde (CAS 5431-44-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5NO2 and a molecular weight of 135.120 g/mol. Key properties include a melting point of 122°C, a boiling point of 221.4±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 102.8±29.6 °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.
- 5431-44-7
- Jingsj CID
- J-1992834-8
- Molecular Formula
- C7H5NO2
- Molecular Weight
- 135.120 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 122°C |
|---|---|
| Boiling Point | 221.4±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 102.8±29.6 °C |
| Exact Mass | 135.032028 |
| PSA | 47.03000 |
| LogP | 0.43 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.633 |
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 2,6-Pyridinedicarboxaldehyde?
The CAS number of 2,6-Pyridinedicarboxaldehyde is 5431-44-7.
What are the molecular formula and molecular weight of 2,6-Pyridinedicarboxaldehyde?
2,6-Pyridinedicarboxaldehyde has molecular formula C7H5NO2 and molecular weight 135.120 g/mol.
Is 2,6-Pyridinedicarboxaldehyde hazardous?
2,6-Pyridinedicarboxaldehyde 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 2,6-Pyridinedicarboxaldehyde?
For 2,6-Pyridinedicarboxaldehyde, Upstream Products: 2,6-Pyridinedimethanol, 1,4-Dioxane, Pyridine-2,6-dicarbohydrazide; Downstream Products: methyl 6-(hydroxymethyl)picolinate, Dipicolinic acid, 6-(Hydroxymethyl)picolinic 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. "2,6-Pyridinedicarboxaldehyde (CAS 5431-44-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992834-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.