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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
CAS 56-35-9
Formula C24H54OSn2
Molecular weight 596.1 g/mol
InChIKey APQHKWPGGHMYKJ-UHFFFAOYSA-N

Why monitored

Why this substance is monitored in the EU

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

The current imported view anchors this substance in CandidateList. The live rationale focuses on PBT (Article 57d), and this page is designed for fast status checks before deeper source review.

Rows behind the rationale

Imported framework context and legal signals

FrameworkStatusListedReasonSource
CandidateList Candidate List substance 28 Oct 2008 PBT (Article 57d) Candidate List entry - Bis(tributyltin) oxide (TBTO)