Official EU label nameGlossary entry 20816

PHTHALIC ANHYDRIDE

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

0 markets with evidence

Markets checked

Markets with evidence

Evidence gaps

Resolved identifiers

Resolved substance identity

CAS:85-44-9

EC:201-607-5

Ingredient index records:

PHTHALIC ANHYDRIDE

Cosmetic functions: NOT REPORTED

1,3-Isobenzofurandione

Open full local profile

1 matched or reported name

PHTHALIC ANHYDRIDE

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name PHTHALIC ANHYDRIDE.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

Check the markets and their sources Search every market for this name

Chemical identity and properties

PubChem 2D chemical structure for CAS 85-44-9

CAS 85-44-9PubChem CID 6811

Phthalic Anhydride

Phthalic anhydride appears as a colorless to white lustrous solid in the form of needles with a mild distinctive odor. Moderately toxic by inhalation or ingestion and a skin irritant. Melting point 64 °F Flash point 305 °F. Forms a corrosive solution when mixed with water. Used in the manufacture of materials such as artificial resins. — CAMEO Chemicals

IUPAC name: 2-benzofuran-1,3-dione

Molecular formula: C8H4O3
Molecular weight: 148.11 g/mol
Exact mass: 148.016043985 Da
XLogP3: 1.3
Topological polar surface area: 43.4 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

1,3-IsobenzofurandionePhthalandioneRetarder esen1,3-Dioxophthalan1,3-PhthalandionePhthalic acid anhydrideRetarder AKRetarder PD

16 more reported names

o-Phthalic acid anhydridePhthalsaeureanhydridESENVulkalent B/CAnidride ftalicaFtalowy bezwodnikFtaalzuuranhydrideAnhydride phtaliqueFtalanhydrid1,2-Benzenedicarboxylic anhydride1,2-Benzenedicarboxylic acid anhydrideVulkalent BWiltrol PRCRA waste number U190NCI-C03601TGL 6525

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:36605
ChEMBL:CHEMBL1371297
EPA DTXSID:DTXSID2021159
PubMed:29540657
PubMed:27129696
PubMed:26795242
PubMed:22381623
PubMed:21920952
PubMed:21581900
PubMed:21579766
PubMed:21252390
PubMed:21049990
PubMed:20491607
PubMed:20396882
PubMed:20219652

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

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal US EPA CompTox CTX APIs

Take this record further

Screen in a formula Open standalone comparison

Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

Open official Decision