(S)-2,3-Dihydro-1H-indole-carboxylic acid

Other

72

Good

CAS Number: 79815-20-6

About (S)-2,3-Dihydro-1H-indole-carboxylic acid

A chiral indoline derivative that may be used as a fragrance or intermediate, with mild sensitization concerns at high concentrations.

Detailed Analysis

(S)-Indoline-2-carboxylic acid (CAS 79815-20-6, PubChem CID 2733920). Used as a fragrance ingredient or chemical intermediate. The indoline moiety is structurally related to certain aromatic amines. Restricted in EU at ≥0.1% according to fragrance allergen guidelines. No strong evidence of toxicity but limited cosmetic safety data.

Skin Benefits

  • ✓ Fragrance function

Known Concerns

  • ⚠ Possible fragrance allergen (EU Annex III threshold)
  • ⚠ Limited cosmetic safety data

Safety Score

72

Good

Based on EU regulatory data, published safety research, and ingredient function analysis.

References

🏛

EU CosIng Database

European Commission cosmetic ingredient registry

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This information is for educational purposes only and does not constitute medical advice. Always consult a healthcare professional for skin concerns or allergies.