Skip to content

Fragrance

ISOBUTYLQUINOLINE ISOMERS

CAS 1333-58-0 Updated
50

Safety score · 0–100

Moderate

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

About

A leather-tobacco fragrance from the quinoline class. Quinolines have known sensitization concerns, so use is capped under IFRA at very low levels.

Function

PERFUMING

Skin benefits

  • Leather-tobacco fragrance note
  • Used at trace fragrance %
  • Long-lasting base note

Known concerns

  • Quinoline class flagged for sensitization
  • Possible aquatic toxicity
  • IFRA-restricted use levels

References

EU

EU CosIng database

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

Related fragrances

50
1-FURFURYL-1H-PYRROLE
Fragrance
 50
2,5-DIMETHYL-2-VINYLHEX-4-ENAL
Fragrance
 50
2,6-DIMETHYLPYRAZINE
Fragrance
 50
2-Benzylideneheptanal
Fragrance
 50
2-CYCLOHEXENYL CYCLOHEXANONE
Fragrance
 50
2-METHOXYPHENOL/2,2-DIMETHYL-3-METHYLENEBICYCLO-HEPTANE HYDROGENATED
Fragrance
 50
2-METHYL-2-BUTENOL
Fragrance
 50
2-TERT-BUTYL-5-METHYLANISOLE
Fragrance

Check your shelf

Find ISOBUTYLQUINOLINE ISOMERS in your products.

Scan any cosmetic product with LuxSense to see if it contains ISOBUTYLQUINOLINE ISOMERS 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 — always read the physical product label and consult a healthcare professional for personal concerns.