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Monomethyltin

Level 4Significant concernsIn Winter's Dictionary

Monomethyltin is a other — Organotin used as heat stabilizer in PVC and CPVC piping; contaminant of food-packaging applications

Also: MMT

What it does

Organotin used as heat stabilizer in PVC and CPVC piping; contaminant of food-packaging applications

Where you'll see it

PVC piping/water supplies, food-packaging applications

What the research says

Neurotoxicity concerns from organotin exposure during development; rat studies showed deficits on runway learning tasks.

Regulatory status

  • Notes: Concerns about neurotoxicity during development

Sources

  • A Consumer's Dictionary of Food Additives (Winter): Organotin widely used as a heat stabilizer in PVC and CPVC piping, which results in its presence in drinking water supplies