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Trisubstituted tin organic compounds
from Chemicals Guidance
Required limit value:
CAS RN:
Properties: Should not be present in products.
Tributyltin chloride:1461-22-9 Tributyltin fluoride: 1983-10-4 Tributyltin methacrylate: 2155-70-6 Tributyltin benzoate: 4342-36-3 Tributyltin linoleate: 24124-25-2 Tributyltin naphthenate: 85409-17-2
Bactericides. Tributyltin compounds are different chemical substances that are toxic and dangerous for the environment. Bioaccumulative and persistent.
Use in textile and leather: Antibacterial agent to counteract noxious odours in clothes and shoes. Preservative, fungicide and antifouling agent.
Comments: The alternative to antibacterial agents during use is satisfactory washing.
If use of biocidal agents is essential, folpet, chlorocresol, propiconazole, azoxystrobin and fludioxonil are approved for PT9 according to the Biocidal Product Regulation (EU 528/2012).
Legal background:
Legal Limit: 0.1% by weight.
All tri-substituted organostannic compounds such as tributyltin (TBT) are restricted in articles in annex XVII of the Regulation (EC) No 1907/2006 (REACH), entry 20.
The seven TBT compounds listed above are also included in the Rotterdam convention.
Tributyltin oxide (TBTO) 56-35-9 and Dibutyltin dichloride (DBTC), 683-18-1 are listed on the Candidate List of Substances of Very High Concern for authorization of the Regulation (EC) No 1907/2006 of the European Parliament and of the Council (REACH).
Test method: EN ISO 22744 (textiles)
Test equipment: GC-MS. EN ISO17353 (water and sediment). LOQ: 0.2 mg/kg
