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Compound record

9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide

Also known as DOPO

35948-25-5 · organophosphate flame retardant · flame retardant

DOPO flame retardantepoxyreactive use 6H-Dibenzo[c,E][1,2]oxaphosphinine 6-oxide9,10-Dihydro-9-oxa-10-phosphaphenanthrene 10-oxide6H-Dibenz[c,e][1,2]oxaphosphorin, 6-oxide
Dossier Status Obligations Why Alternatives Changes Similar Sources
CAS 35948-25-5
Formula C12H8O2P+
Molecular weight 215.16 g/mol
InChIKey DWSWCPPGLRSPIT-UHFFFAOYSA-N

Current status

EU status, SVHC, REACH, and POPs view

9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide is currently surfaced as no current candidate list row imported in the EU.

The current imported view anchors this substance in CandidateList. The live rationale focuses on No positive Candidate List entry captured in the current imported source set, and this page is designed for fast status checks before deeper source review.

This page is meant to answer the direct search query about EU status before you branch into obligations, SCIP, or source verification.

No current Candidate List row importedstatuslatest imported framework state
8 Mar 2026last checkedlatest authority check date captured

Who should care

  • Article suppliers and importerswatch
  • Materials, formulation, and product-compliance teamswatch

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

FrameworkStatusListedEffectiveReasonObligationsSource
CandidateList No current Candidate List row imported Unspecified Unspecified No positive Candidate List entry captured in the current imported source set continue routine watchlist monitoring until a substance-specific row is imported Candidate List of substances of very high concern for Authorisation