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2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient

CAS 6248-20-0 · 100/100 · High conf.

2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient chemical structure

Concern score

100/100Critical concern based on regulatory listings.
High confidence

2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient in plain language

What it is

Also known as 2,4-DIHYDROXY-3-METHYLBENZALDEHYDE · Benzaldehyde, 2,4-dihydroxy-3-methyl- · .beta.-resorcylaldehyde, 3-METHYL- · 2,4-DIHYDROXY-3-METHYL-BENZALDEHYDE · 2,4-DIHYDROXY-M-TOLUALDEHYDE · 2,4-Dihydroxy-3-methylbenzaldehyd

Show all 13 names

2.4-dihydroxy-3-methylbenzalde hyde · 24-Dihydroxy-3-methylbenzaldehyde · 3-METHYL-2,4-DIHYDROXYBENZALDEHYDE · 4-Formyl-2-methylresorcinol · 4-Hydroxy-3-methylsalicylaldehyde · MSK15122 · UNII-8X373W842S

What it does

We don't have a plain-language description for 2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient yet.

Is it a concern?
Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

  • EU Annex II — prohibited
  • EU prohibited in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

    banned
    View source →
  • EUCosIngActiveCosmetics Regulation annex II / ref 428.
    • Cosmetics Regulation annex II / ref 428.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for 2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for 2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2010-10-20

    Open →
  • EPA Chemical and Products Database

    exposure · updated 2020-02-13

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed 2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

See products using 2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient →