Pentamethyldiethylenetriamine (PC-5)

Overview

Pentamethyldiethylenetriamine (PMDETA, PC-5) is a colorless to light yellow, low-viscosity liquid. It is a highly active tertiary-amine catalyst with a strong blowing effect that also balances foaming and gelling.

Also known as

PMDETA; PC-5; N,N,N′,N″,N″-Pentamethyldiethylenetriamine

CAS number

3030-47-5

Molecular formula

C9H23N3

Molecular weight

173.30

Specifications

Test items	Specifications
Appearance	Colorless to light yellow transparent liquid
Content /%	≥99
Density /(g/cm³)	0.83
Solvent residue /%	≤0.5
Viscosity (25℃) /mPa·s	2

Applications

• Blowing and balancing catalyst for rigid polyurethane foam (appliances, panels, insulation)
• Catalyst for polyisocyanurate (PIR) foams
• Catalyst in flexible and high-resilience foams
• Ligand and intermediate in organic synthesis

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.