Pyrocatechol

INCI: PYROCATECHOL (CATECHOL) [^1_3]

Pyrocatechol (CAS 120-80-9 [^1_3]) is a cosmetic cosmetic ingredient functioning as Hair Dyeing agent (historical); Antioxidant [^1_3]. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 120-80-9 [^1_3] →

CAS Number
120-80-9 [^1_3]
View industrial chemical safety profile →
Function
Hair Dyeing agent (historical); Antioxidant [^1_3]
Editorial assessment
POOR
Preliminary editorial note — not a computed safety verdict.

Regulatory Status

EU EU Status prohibited
US US Status prohibited
US Notes Not specifically banned by FDA; however, no current VCRP-reported uses; CIR has not issued a separate final safety assessment

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Pyrocatechol.

Calculate MoS for your specific formulation with the MoS Calculator.

Editorial summary

Preliminary editorial summary for Pyrocatechol — not a computed safety verdict. See the sourced toxicological data above.

Frequently Asked Questions

Is Pyrocatechol safe in cosmetics?

Pyrocatechol has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.

Is Pyrocatechol allowed in the EU?

Pyrocatechol EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Pyrocatechol do in cosmetics?

Pyrocatechol functions as: Hair Dyeing agent (historical); Antioxidant [^1_3]. It is classified as a cosmetic ingredient in our database. CAS number: 120-80-9 [^1_3].

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