Cycloaliphatic diamine curing agent for epoxy resins, giving low color and good weatherability compared with aromatic amines. Used in high-performance epoxy, polyurethane and polyamide systems where UV stability matters.
Product Code
PACM
4,4′-Diaminodicyclohexylmethane (PACM)
CAS Number
1761-71-3
EINECS
217-168-8
Description
Synonyms
Key applications
- High-performance epoxy systems
- Polyurethane systems
- Polyamide systems
Characteristics
| MW | 210.36 |
|---|---|
| Appearance | Transparent (colorless to primrose yellow) |
| Chromaticity (APHA) | ≤30 |
| Viscosity | 50-100 mPa·s at 25°C |
| Active H equivalent | 52.5 |
| Purity | ≥99.0% |
| Specific gravity | 0.96±0.02 |
| Boiling point | 333°C |
| Flash point | >150°C |
| PHR (base 128) | 25-30 |
| Molecular formula | C13H26N2 |
| Molecular weight | 210.36 g/mol |