PYRIDINEDICARBOXYLIC ACID
2,5-Pyridinedicarboxylic acid
PYRIDINEDICARBOXYLIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.
Regulatory evidence by market
No rule for this ingredient has been imported for any of the 13 markets tracked here.
That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.
Chemical identity and properties
2,5-Pyridinedicarboxylic acid
Isocinchomeronic acid is a pyridinedicarboxylic acid carrying carboxy groups at positions 2 and 5. It is a conjugate acid of an isocinchomeronate(1-). — ChEBI
- IUPAC name
- pyridine-2,5-dicarboxylic acid
- Molecular formula
- C7H5NO4
- Molecular weight
- 167.12 g/mol
- Exact mass
- 167.02185764 Da
- XLogP3
- 0.2
- Topological polar surface area
- 87.5 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 5
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:46865
- ChEMBL:CHEMBL88972
- EPA DTXSID:DTXSID3059210
- PubMed:23078525
- PubMed:22858225
- PubMed:22590066
- PubMed:22589793
- PubMed:22589774
- PubMed:22584602
- PubMed:22259342
- PubMed:22091061
- PubMed:21808639
- PubMed:21754330
- PubMed:21754299
- PubMed:21753939
Evidence from additional scientific databases
EMBL-EBI ChEBI
isocinchomeronic acid
A pyridinedicarboxylic acid carrying carboxy groups at positions 2 and 5.
- Formula
- C7H5NO4
- Average mass
- 167.120 g/mol
- Monoisotopic mass
- 167.02186 Da
- Formal charge
- 0
- pyridinedicarboxylic acid — is a (CHEBI:36112)
- pyridinedicarboxylic acid — is a (CHEBI:36112)
- isocinchomeronate(1−) — is conjugate acid of (CHEBI:46870)
Additional curated names
Cross-references from this source
Mapped by: Exact CAS cross-reference in the ChEBI compound record. Source updated: 2024-08-23. Retrieved: 2026-08-31. Open source record
NIH PubChem PUG-View
Attributed physical-property, hazard, environmental and use annotations.
- Physical Description: Solid; [Merck Index] Light brown solid; [Aldrich MSDS] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Vapor Pressure: 0.0000061 [mmHg] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
- Signal: Warning Source: European Chemicals Agency (ECHA)
- GHS Hazard Statements: H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]; H335 (98%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation] Source: European Chemicals Agency (ECHA)
- Precautionary Statement Codes: P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
- ECHA C&L Notifications Summary: Aggregated GHS information provided per 49 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
- Sources/Uses: Used to make nicotinic acid; [Merck Index] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record
Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.
Additional source coverage and match status
| Source | Result | Checked |
|---|---|---|
| EMBL-EBI ChEBI | Exact match | 2026-08-31 |
| NIH PubChem PUG-View | Exact match | 2026-08-31 |
A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Quinolinic Acid
Quinolinic acid is a pyridinedicarboxylic acid that is pyridine substituted by carboxy groups at positions 2 and 3. It is a metabolite of tryptophan. It has a role as a NMDA receptor agonist, a mouse metabolite, an Escherichia coli metabolite and a human metabolite. It is a conjugate acid of a quinolinate and a quinolinate(1-). — ChEBI
- IUPAC name
- pyridine-2,3-dicarboxylic acid
- Molecular formula
- C7H5NO4
- Molecular weight
- 167.12 g/mol
- Exact mass
- 167.02185764 Da
- XLogP3
- 0.2
- Topological polar surface area
- 87.5 Ų
- Hydrogen-bond donors
- 2
- Hydrogen-bond acceptors
- 5
- Covalent units
- 1
- Defined stereocentres
- 0
Also known as
16 more reported names
External database identifiers
- ChEBI:CHEBI:16675
- ChEMBL:CHEMBL286204
- EPA DTXSID:DTXSID8041327
- PubMed:31678113
- PubMed:30876764
- PubMed:30130594
- PubMed:29981346
- PubMed:29702159
- PubMed:28336214
- PubMed:24211709
- PubMed:22982145
- PubMed:22939820
- PubMed:22900642
- PubMed:22875055
- PubMed:22860181
Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.
Inventory details for PYRIDINEDICARBOXYLIC ACID
INCI name
PYRIDINEDICARBOXYLIC ACID
Description
2,5-Pyridinedicarboxylic acid
Record provenance
- Inventory reference
- 79137
- Imported identity
- PYRIDINEDICARBOXYLIC ACID
- Source update
- 15/10/2010
Annex records for PYRIDINEDICARBOXYLIC ACID
Key data
- SKIN CONDITIONING
- Maintaining the skin in good condition.
Official EU ingredient-name evidence
The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.
Related inventory evidence
Ingredients with overlapping formulation functions
Additional official and scientific sources
11 external databases to check this identity in
Each link searches that source for this identity. What each source is, and its legal weight
How PYRIDINEDICARBOXYLIC ACID appears in the CosIng inventory
The CosIng inventory lists PYRIDINEDICARBOXYLIC ACID as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.
PYRIDINEDICARBOXYLIC ACID is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.
Frequently asked questions
Source note for PYRIDINEDICARBOXYLIC ACID
This page reproduces the CosIng inventory entry for PYRIDINEDICARBOXYLIC ACID from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.
Use this inventory page to research PYRIDINEDICARBOXYLIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.
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