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2,4-Pyridinedicarboxylic acid monohydrate

Also known as: 2,4-Pyridinedicarboxylic acid hydrate, 2,4-Lutidinic acid monohydrate, Pyridine-2,4-dicarboxylic acid monohydrate, Pyridine-2,4-dicarboxylic acid hydrate (1:1), 2,4-Pyridinedicarboxylic acid, hydrate (1:1)

2,4-Pyridinedicarboxylic acid monohydrate (CAS 207671-42-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO5 and a molecular weight of 185.134 g/mol. Key properties include a melting point of 246-248ºC (dec.)(lit.), a boiling point of 668.9ºC at 760 mmHg and a flash point of 358.4ºC. 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.
207671-42-9
Jingsj CID
J-27097-3
Molecular Formula
C7H7NO5
Molecular Weight
185.134 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point246-248ºC (dec.)(lit.)
Boiling Point668.9ºC at 760 mmHg
Flash Point358.4ºC
Exact Mass185.032425
PSA96.72000
LogP0.41370
Vapor Pressure8.31E-19mmHg at 25°C

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933399090
Summary2933399090. 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 2,4-Pyridinedicarboxylic acid monohydrate?

The CAS number of 2,4-Pyridinedicarboxylic acid monohydrate is 207671-42-9.

What are the molecular formula and molecular weight of 2,4-Pyridinedicarboxylic acid monohydrate?

2,4-Pyridinedicarboxylic acid monohydrate has molecular formula C7H7NO5 and molecular weight 185.134 g/mol.

Is 2,4-Pyridinedicarboxylic acid monohydrate hazardous?

2,4-Pyridinedicarboxylic acid monohydrate 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 2,4-Pyridinedicarboxylic acid monohydrate?

For 2,4-Pyridinedicarboxylic acid monohydrate, Downstream Products: Diethyl pyridine-2,4-dicarboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2,4-Pyridinedicarboxylic acid monohydrate (CAS 207671-42-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27097-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.