Amines
REACH
Trimethylhexamethylenediamine
CAS Number
25513-64-8
What is Trimethylhexamethylenediamine?
Trimethylhexamethylenediamine (CAS 25513-64-8), commonly known as TMD, is an aliphatic diamine used as a reactive building block in polymer synthesis and curing systems.
Where is Trimethylhexamethylenediamine used?
- Epoxy coatings: curing agent producing flexible films
- Polyamide and polyurea synthesis: monomer introducing branching
- Adhesives and sealants: crosslinker for polyurethane and epoxy matrices
- Metalworking fluids: corrosion inhibition on ferrous and non-ferrous surfaces
- It functions as a crosslinker and chain extender in polymer networks.
Commercial specifications
- Technical grade, purity typically 98% or higher
- Drum and IBC quantities
Other Names (Synonyms)
1,6-Hexanediamine, 2,2,4(or 2,4,4)-trimethyl-|2,2,4(or 2,4,4)-Trimethyl-1,6-hexanediamine|TMD|Vestamin TMD|ARADUR 21
What are the physical properties of Trimethylhexamethylenediamine?
Melting Point -80 °C
Boiling Point 232°C
Density 0,87 g/cm 3
Flash Point 127°C
Color Colorless to Light yellow
Form clear liquid
Water Solubility 1g/L at 23℃
Vapor Pressure 4Pa at 20℃
Refractive Index 1.4640 to 1.4660
Log P -0.3 at 25℃
Which trade and regulatory codes apply to Trimethylhexamethylenediamine?
HS Code 2921.29.0055