chem-data European chemical and regulatory registry

Compound record

Bis(tributyltin) oxide (TBTO)

Also known as HBD

56-35-9 ยท candidate list substance

SVHC Candidate ListEU monitoring
Why monitored

Rationale behind the monitoring signal, not just the label.

Lookup labels

HBD 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

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.

Reason

PBT (Article 57d)

Open the cross-substance route for this rationale.

Rows behind the rationale

Imported framework context and legal signals