Tris(dimethylaminopropyl)hexahydrotriazine (PC-41)

Overview

Tris(dimethylaminopropyl)hexahydrotriazine (PC-41) is a colorless to light yellow liquid. It is a trimerization catalyst that promotes isocyanurate formation and also catalyzes the urethane reaction.

Also known as

PC-41; 1,3,5-Tris[3-(dimethylamino)propyl]hexahydro-s-triazine

CAS number

15875-13-5

Molecular formula

C18H42N6

Molecular weight

342.57

Specifications

Test items	Specifications
Appearance	Colorless to light yellow transparent liquid
Content /%	≥95.5
N content /%	17-18
Water content /%	≤0.5
Density /(g/cm³)	0.92-0.95
Viscosity (25℃) /mPa·s	26-33

Applications

• Trimerization catalyst for polyisocyanurate (PIR) rigid foam and panels
• Co-catalyst for rigid polyurethane foam, spray foam and sandwich panels
• Catalyst for polyurethane coatings, elastomers and adhesives

Packaging

180 kg/drum.

Storage

Store in tightly closed containers in a cool, dry and well-ventilated place, away from acids and oxidizers. Amines can absorb moisture and carbon dioxide from the air.