Skip to content

Colorant

ACID ORANGE 3

CAS 6373-74-6
35

Safety score · 0–100

Caution

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

A nitro/sulfonated azo dye used in semi-permanent hair color. EU Annex III restricted with concentration limits and class concerns; not for skin care.

Function

HAIR DYEING

Skin benefits

  • Imparts orange hair color

Known concerns

  • EU Annex III hair dye restriction
  • Nitro azo dye class concerns
  • Possible sensitizer

References

EU

EU CosIng database

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

Related colorants

35
1,3-Benzenediol, 4-Chlororesorcinol
Colorant
 35
2-AMINO-4-HYDROXYETHYLAMINOANISOLE
Colorant
 35
2-Amino-4,6-dinitrophenol and 2- amino-4,6-dinitrophenol, sodium salt
Colorant
 35
3-METHYLAMINO-4-NITROPHENOXYETHANOL
Colorant
 35
5-AMINO-4-FLUORO-2-METHYLPHENOL SULFATE
Colorant
 35
5-AMINO-6-CHLORO-O-CRESOL
Colorant
 35
ACID BLACK 52
Colorant
 35
ACID BROWN 13
Colorant

Same plant / compound family

12
ACID ORANGE 24
Colorant
 30
ACID ORANGE 6
Colorant
 32
ACID ORANGE 7
Colorant
 22
Acid Orange 24 (CI 20170), when used as a substance in hair dye products
Colorant

Check your shelf

Find ACID ORANGE 3 in your products.

Scan any cosmetic product with LuxSense to see if it contains ACID ORANGE 3 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.