N,N-Dimethylcyclohexylamine (PC-8)

Overview

N,N-Dimethylcyclohexylamine (DMCHA, PC-8) is a colorless, low-viscosity liquid tertiary amine. It is a medium-to-strong catalyst for rigid polyurethane foam with a good balance between foaming and gelling.

Also known as

DMCHA; PC-8; N,N-Dimethylcyclohexanamine

CAS number

98-94-2

Molecular formula

C8H17N

Molecular weight

127.23

Specifications

Test items	Specifications
Appearance	Colorless transparent liquid
Content /%	≥99
Water content /%	≤0.1
Density /(g/cm³)	0.849
Metal ions /ppm	≤5
Amine value /(mgKOH/g)	430-450
Residual impurities /%	≤0.5

Applications

• Main catalyst for rigid polyurethane foam in refrigerators, panels, pipes and spray foam
• Catalyst for rigid PIR foam formulations
• Catalyst for packaging and semi-rigid foams
• Intermediate for rubber accelerators and other chemicals

Packaging

170 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.