2,3-Pyridinedicarboxylic anhydride
Also known as: Quinolinic anhydride, Pyridine-2,3-dicarboxylic anhydride, Furo[3,4-b]pyridine-5,7-dione, 2,3-Pyridinedicarboxylic acid anhydride
2,3-Pyridinedicarboxylic anhydride (CAS 699-98-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H3NO3 and a molecular weight of 149.104 g/mol. Key properties include a melting point of 137-139 °C(lit.), a boiling point of 334.6±15.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 156.2±20.4 °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.
- 699-98-9
- Jingsj CID
- J-1400637-2
- Molecular Formula
- C7H3NO3
- Molecular Weight
- 149.104 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 137-139 °C(lit.) |
|---|---|
| Boiling Point | 334.6±15.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 156.2±20.4 °C |
| Exact Mass | 149.011292 |
| PSA | 56.26000 |
| LogP | 0.11 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.623 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 2,3-Pyridinedicarboxylic anhydride?
The CAS number of 2,3-Pyridinedicarboxylic anhydride is 699-98-9.
What are the molecular formula and molecular weight of 2,3-Pyridinedicarboxylic anhydride?
2,3-Pyridinedicarboxylic anhydride has molecular formula C7H3NO3 and molecular weight 149.104 g/mol.
Is 2,3-Pyridinedicarboxylic anhydride hazardous?
2,3-Pyridinedicarboxylic anhydride 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 2,3-Pyridinedicarboxylic anhydride?
For 2,3-Pyridinedicarboxylic anhydride, Upstream Products: 2,3-Pyridinedicarboxylic acid; Downstream Products: 6,7-Dihydropyrido[2,3-d]pyridazine-5,8-dione, 2,4-Dichloropyrido[3,2-d]pyrimidine, Pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,3-Pyridinedicarboxylic anhydride (CAS 699-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1400637-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.