chem-data European chemical and regulatory registry

Compound record

1,4-dioxane

Also known as NE 220

123-91-1 ยท candidate list substance

SVHC Candidate ListEU monitoring
Status

Current EU framework read, dates, and source-backed status context.

Lookup labels

NE 220 1,4-DIOXANEDioxanep-Dioxane
Dossier Status Obligations Why Alternatives Changes Similar Sources
CAS 123-91-1
Formula C4H8O2
Molecular weight 88.11 g/mol
InChIKey RYHBNJHYFVUHQT-UHFFFAOYSA-N

Current status

EU status, SVHC, REACH, and POPs view

1,4-dioxane is currently surfaced as candidate list substance in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on Carcinogenic (Article 57a) Equivalent level of concern having probable serious effects to human health (Article 57(f) - human health) Equivalent level of concern having probable serious effects to the environment (Article 57(f) - environment), and this page is designed for fast status checks before deeper source review.

This page should answer the direct status question quickly, then show the framework rows that support the answer without forcing the user through a spreadsheet-like table first.

Candidate List substancestatuslatest imported framework state
8 Mar 2026last checkedlatest authority check date captured
Who should care
  • Article suppliers and importers
Imported rationale

Carcinogenic (Article 57a) Equivalent level of concern having probable serious effects to human health (Article 57(f) - human health) Equivalent level of concern having probable serious effects to the environment (Article 57(f) - environment)

What to do next

Operational routes from the current status

Article duties

Check Candidate List threshold and SCIP relevance

Use this when the substance may sit in articles, components, or imported goods and you need to confirm communication and SCIP workflows.

 Source check

Verify the legal source before repeating the claim

Every summary should point back to the underlying authority surface. Use the source route when the exact notice, registry entry, or legal text matters.

Imported framework rows

Authority-backed detail

CandidateList 8 Jul 2021

Candidate List substance

Carcinogenic (Article 57a) Equivalent level of concern having probable serious effects to human health (Article 57(f) - human health) Equivalent level of concern having probable serious effects to the environment (Article 57(f) - environment)

check article threshold obligations; review SCIP notification relevance

Open official source