3,4-Methylenedioxyphenol

Also known as: 5-19-02-00532, BRN 0127405, EINECS 208-561-5, Methylene ether of oxyhydroquinone, UNII-94IEA0NV89

INCI: 3,4-METHYLENEDIOXYPHENOL

3,4-Methylenedioxyphenol (CAS 533-31-3) is a cosmetic cosmetic ingredient functioning as Hair dye precursor, Antioxidant. EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 533-31-3 →

Auto-generated CPSR Part A draft with source citations
Function
Hair dye precursor, Antioxidant
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C7H6O3
MW
138.12 g/mol
EC Number
208-561-5
PubChem CID
68289
IUPAC Name
1,3-benzodioxol-5-ol
InChIKey
LUSZGTFNYDARNI-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes Not on FDA's prohibited list for general cosmetic use; however, limited cosmetic application

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 3,4-Methylenedioxyphenol.

Calculate MoS for your specific formulation with the MoS Calculator.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Intermediate
Tonnage Band
Intermediate use only
Substance Type
SUBSTANCE
SVHC Candidate
No

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex II — Prohibited
Ref: 1247
(EC) 2009/1223

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (II - Prohibited)
ASEAN Cosmetic Directive (II)
Ref: 1247
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye Flavouring and nutrient
Regulatory List Membership (2)
EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for 3,4-Methylenedioxyphenol.

Regulatory Flags

eu_banned_cosmetics eu_cosing_listed

Known Synonyms

5-19-02-00532 BRN 0127405 EINECS 208-561-5 Methylene ether of oxyhydroquinone UNII-94IEA0NV89

Chemical Function

Dye Flavouring and nutrient

Regulatory Lists

banned; Europe; Personal care Europe pharmaceutical

Australian Status

AICIS status: 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
CHEMBL1517998
View full pharmaceutical profile →

Frequently Asked Questions

Is 3,4-Methylenedioxyphenol safe in cosmetics?

3,4-Methylenedioxyphenol has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.

Is 3,4-Methylenedioxyphenol allowed in the EU?

3,4-Methylenedioxyphenol EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does 3,4-Methylenedioxyphenol do in cosmetics?

3,4-Methylenedioxyphenol functions as: Hair dye precursor, Antioxidant. It is classified as a cosmetic ingredient in our database. CAS number: 533-31-3.

Is 3,4-Methylenedioxyphenol used outside cosmetics?

3,4-Methylenedioxyphenol also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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