NT CAT A-239 is a tertiary amine catalyst used in the production of polyurethane foams. It is a clear, colorless liquid with a mild odor. NT CAT A-239 is miscible with water, alcohols, and ketones. NT CAT A-239 has a flash point of 100 °F (38 °C) and a vapor pressure of 0.1 mmHg at 25 °C. NT...