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InventoryRef cosing-live-1014122024-07-01

TRIMESIC ACID

Trimesic Acid is the organic compound that conforms to the formula

TRIMESIC 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

PubChem 2D chemical structure for CAS 554-95-0
CAS 554-95-0PubChem CID 11138

1,3,5-Benzenetricarboxylic acid

Benzene-1,3,5-tricarboxylic acid is a tricarboxylic acid that consists of benzene substituted by carboxy groups at positions 1, 3 and 5. It is a member of benzoic acids and a tricarboxylic acid. It is a conjugate acid of a benzene-1,3,5-tricarboxylate(1-). — ChEBI

IUPAC name
benzene-1,3,5-tricarboxylic acid
Molecular formula
C9H6O6
Molecular weight
210.14 g/mol
Exact mass
210.01643791 Da
XLogP3
0.5
Topological polar surface area
112.0 Ų
Hydrogen-bond donors
3
Hydrogen-bond acceptors
6
Covalent units
1
Defined stereocentres
0

Also known as

Trimesic acidTrimesinic acidTrimesitinic acid5-Carboxyisophthalic acid1,3,5-TricarboxybenzeneOU36OO5MTNNSC-3998CHEBI:46032
16 more reported names
RefChem:72274benzene-1,3,5-carboxylic acid209-077-7TrimesicAcid; BTC1,3,5-Benzene tricarboxylic acidNSC 3998EINECS 209-077-7UNII-OU36OO5MTNAI3-06468H3BTCt1,5-TricarboxybenzeneTrimesic acid, 95%NCIOpen2_009462benzene-1,3,5-tricarboxylicacidNSC3998Tox21_200017
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Official European Commission record

CosIng substance ID
101412
Published in the Official Journal
Yes
Recorded by the Commission
2024-07-01
Open this entry in the official CosIng database

Fields as published by the European Commission. The link opens the entry itself, not a search for it.

Inventory details for TRIMESIC ACID

INCI name

TRIMESIC ACID

Description

Trimesic Acid is the organic compound that conforms to the formula

Record provenance

Inventory reference
cosing-live-101412
Imported identity
TRIMESIC ACID
Source update
2024-07-01
European Commission CosIng source notes

Key data

Restriction
—
Function
PLASTICISER
Softening and making supple synthetic polymers that otherwise could not be easily deformed, spread or worked out.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How TRIMESIC ACID appears in the CosIng inventory

The CosIng inventory lists TRIMESIC 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.

TRIMESIC 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

TRIMESIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, TRIMESIC ACID carries the following function designation(s):

CAS 554-95-0 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for TRIMESIC ACID

This page reproduces the CosIng inventory entry for TRIMESIC 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 TRIMESIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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