Home > Products > Generic Amines > Diisopropanolamine (DIPA) Tertiary Amine > DIISOPROPANOLAMINE (DIPA) TERTIARY AMINE DIISOPROPANOLAMINE (DIPA) TERTIARY AMINE Di-isopropanolamine (DIPA) is a secondary amine with some selectivity for H2S. Diisopropanolamine 85% Diisopropanolamine 90% LEADING WITH H2S REMOVAL SOLUTIONS Contact Coastal Chemical to learn how we can assist in H2S removal. CONTACT NOW