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Compound record

Bis(tributyltin) oxide (TBTO)

Also known as HBD

56-35-9 ยท candidate list substance

HBD SVHC Candidate ListEU monitoring Tributyltin oxideBIS(TRIBUTYLTIN) OXIDEHexabutyldistannoxane
Dossier Status Obligations Why Alternatives Changes Similar Sources
CAS 56-35-9
Formula C24H54OSn2
Molecular weight 596.1 g/mol
InChIKey APQHKWPGGHMYKJ-UHFFFAOYSA-N

Operational view

SCIP, article, and compliance checks

Bis(tributyltin) oxide (TBTO) is currently surfaced as candidate list substance in the EU.

This page turns the imported framework rows into task prompts. It is meant to answer the operational question after the status question, especially when teams need SCIP, article, procurement, or substitution guidance.

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.

 Alternatives

Open structurally nearby substances before substitution work starts

The alternatives route groups lower-pressure neighbors, regulatory peers, and same-class analogs so the team can compare candidates before a sourcing scramble.

 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.

Framework triggers

Rows behind the action prompts

FrameworkStatusListedObligationsSource
CandidateList Candidate List substance 28 Oct 2008 check article threshold obligations; review SCIP notification relevance Candidate List entry - Bis(tributyltin) oxide (TBTO)