Here are some potential health effects of polyurethane catalysts:

Skin and eye irritation: Polyurethane catalyst can cause skin and eye irritation.
Respiratory problems: Polyurethane catalysts can irritate the respiratory system.
Nervous system problems: Polyurethane catalysts can cause neurological problems such as headaches, dizziness and nausea.
Cancer: Certain polyurethane catalysts are known to be carcinogens.
Always seek medical attention immediately if you come into contact with a polyurethane catalyst.