Is DIHYDROXYINDOLE safe in cosmetics?
DIHYDROXYINDOLE has a safety rating of "POOR" in our database. EU status: prohibited.
Poor
Cosmetic Ingredient
DIHYDROXYINDOLE
DIHYDROXYINDOLE (CAS 3131-52-0) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. EU Regulation 1223/2009 status: prohibited, max Annex III/207. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in pharmaceutical data.
View industrial chemical safety profile for CAS 3131-52-0 →
Auto-generated CPSR Part A draft with source citations
Function
Hair Dyeing
Safety Rating
POOR
Chemistry & Identifiers
IUPAC Name
1H-indole-5,6-diol
InChIKey
SGNZYJXNUURYCH-UHFFFAOYSA-N
Regulatory Status
EU EU Status
prohibited
EU Max Conc.
Annex III/207
US US Status
Not specifically regulated
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Expert Verdict
Expert safety assessment and concern-level summary for DIHYDROXYINDOLE.
Regulatory Flags
cosing-sourced
eu-prohibited
needs-enrichment
eu_cosing_listed
Cross-Vertical Safety Context
Same-CAS public records found in pharmaceutical data.
SOURCE
ChEMBL / DrugCentral / FAERS
DB_PHARMA CAS match
Pharmaceutical Data
Same-CAS rows from the pharmaceutical spoke database.
ChEMBL ID
CHEMBL92636
Frequently Asked Questions
Is DIHYDROXYINDOLE allowed in the EU?
DIHYDROXYINDOLE EU regulatory status: prohibited. Maximum allowed concentration: Annex III/207. This is based on EU Regulation 1223/2009 and its amendments.
What does DIHYDROXYINDOLE do in cosmetics?
DIHYDROXYINDOLE functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 3131-52-0.
Is DIHYDROXYINDOLE used outside cosmetics?
DIHYDROXYINDOLE also appears in pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Compliance Tools
Check DIHYDROXYINDOLE compliance across multiple jurisdictions:
Ingredient Decoder
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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