Skip to content

Fragrance

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

CAS 6248-20-0
45

Safety score · 0–100

Moderate

Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.

A hydroxylated benzaldehyde used for sweet vanilla-balsam notes — the aldehyde plus ortho-dihydroxyl pattern make it both a sensitiser and a pro-oxidant. IFRA and EU treat it as a restricted fragrance allergen.

Skin benefits

  • Provides a sweet vanilla-balsamic fragrance note

Known concerns

  • Hydroxyaldehyde — skin sensitiser
  • Catechol-like ortho-dihydroxy motif raises oxidative stress concern
  • EU Annex III declarable allergen
  • IFRA Standard restriction

References

EU

EU CosIng database

European Commission cosmetic ingredient registry: regulatory status, restrictions, authorised functions.

Related fragrances

45
10-HYDROXY-1,8-P-MENTHADIENE
Fragrance
 45
2,4-DIMETHYL CYCLOHEXENECARBONITRILE
Fragrance
 45
2,7-DIMETHYL-10-ISOPROPYL-1-OXASPIRO-3,6-DECADIENE
Fragrance
 45
2-DIMETHYLCYCLOHEXENYL-5-METHYL-5-METHYLPROPYL-1,3-DIOXANE
Fragrance
 45
2-HEPTYLFURAN
Fragrance
 45
2-MELOZOL FORMATE
Fragrance
 45
4-METHYLPENTANE-2,3-DIONE
Fragrance
 45
7-HYDROXY-3,7-DIMETHYL-OCTANAL DISTILLATES
Fragrance

Check your shelf

Find 2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient in your products.

Scan any cosmetic product with LuxSense to see if it contains 2,4-Dihydroxy-3-methylbenzaldehyde, when used as a fragrance ingredient and get a full ingredient breakdown with safety scores.

This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve, so always read the physical product label and consult a healthcare professional for personal concerns.