How do I check if my formula contains 4-HYDROXY-2-METHOXYBENZALDEHYDE?

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

InventoryRef 9802030/04/2020

4-HYDROXY-2-METHOXYBENZALDEHYDE

Benzaldehyde, 4-hydroxy-2-methoxy-

4-HYDROXY-2-METHOXYBENZALDEHYDE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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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.

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Exact external identity check

matched

One PubChem compound was retained because the exact CosIng name appears among its reported synonyms.

PubChem title: 4-Hydroxy-2-Methoxybenzaldehyde
IUPAC name: 4-hydroxy-2-methoxybenzaldehyde
Molecular formula: C8H8O3
Molecular weight: 152.15 g/mol
InChIKey: WBIZZNFQJPOKDK-UHFFFAOYSA-N

Open exact PubChem record

Exact CosIng INCI name equals a PubChem synonym · Checked 2026-08-31

Inventory details for 4-HYDROXY-2-METHOXYBENZALDEHYDE

INCI name

4-HYDROXY-2-METHOXYBENZALDEHYDE

Description

Benzaldehyde, 4-hydroxy-2-methoxy-

Record provenance

Inventory reference: 98020
Imported identity: 4-HYDROXY-2-METHOXYBENZALDEHYDE
Source update: 30/04/2020

European Commission CosIng source notes

Annex records for 4-HYDROXY-2-METHOXYBENZALDEHYDE

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Key data

CAS

—

The CosIng inventory records no CAS number for this ingredient. That is the absence of an identifier in the source, not a finding about the substance.

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Restriction

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Function

HAIR DYEING: Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, or permanent, depending on the length of time the colorant remains on the hair.

Official EU ingredient-name evidence

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

#330 · 4-HYDROXY-2-METHOXYBENZALDEHYDE

Ingredients with overlapping formulation functions

4-ETHOXY-M-PHENYLENEDIAMINE SULFATEHAIR DYEING

4-ETHYLRESORCINOLANTIMICROBIAL, HAIR DYEING

4-FLUORO-6-METHYL-M-PHENYLENEDIAMINE SULFATEHAIR DYEING

4-FORMYL-1-METHYLQUINOLINIUM-P-TOLUENESULFONATEHAIR DYEING

4-HYDROXYINDOLEHAIR DYEING

4-HYDROXYPROPYLAMINO-3-NITROPHENOLHAIR DYEING

4-METHOXYTOLUENE-2,5-DIAMINE HCLHAIR DYEING

4-METHYLBENZYL 4,5-DIAMINO PYRAZOLE SULFATEHAIR DYEING

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

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox 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

How 4-HYDROXY-2-METHOXYBENZALDEHYDE appears in the CosIng inventory

The CosIng inventory lists 4-HYDROXY-2-METHOXYBENZALDEHYDE 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.

4-HYDROXY-2-METHOXYBENZALDEHYDE 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

4-HYDROXY-2-METHOXYBENZALDEHYDE 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, 4-HYDROXY-2-METHOXYBENZALDEHYDE carries the following function designation(s):

HAIR DYEING

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Source note for 4-HYDROXY-2-METHOXYBENZALDEHYDE

This page reproduces the CosIng inventory entry for 4-HYDROXY-2-METHOXYBENZALDEHYDE 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 4-HYDROXY-2-METHOXYBENZALDEHYDE 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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Tools & next steps

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