Ingredient

1,4-Dihydroxybenzene (Hydroquinone), with the exception of entry 14 in Annex III

⚠ EU Restricted

Identification

CAS Number 123-31-9
EINECS / EC 204-617-8
CosIng Ref 87716
Chemical Name benzene-1,4-diol
IUPAC Name
Formula C6H6O2
Mol. Weight 110.11 g/mol
InChIKey QIGBRXMKCJKVMJ-UHFFFAOYSA-N

Function & Classification

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 II

Safety Profile

No toxicology data available yet for this ingredient.

Check SCCS opinions or CIR reports for published safety assessments.

NOAEL · Dermal Absorption % · Sensitization

Formulation Guidelines

Usage level, pH range, solubility and addition phase not yet available.

Usage Level % · Addition Phase · Solubility

Suppliers & Documents

No verified suppliers listed for this ingredient yet.

Are you a supplier of 1,4-Dihydroxybenzene (Hydroquinone), with the exception of entry 14 in Annex III? Register as a supplier to add your listing and upload TDS & SDS documents.

Documents

External Resources