Methylene-bis(4-cyclohexylisocyanate)
CAS Number: 5124-30-1
Chemical Formula: C15H16N2
Appearance: White to light yellow crystalline powder
MOQ (Minimum Order Quantity): 1 FCL (Full Container Load)
Methylene-bis4 is an aromatic diamine compound widely used as a curing agent for epoxy resins and as a chain extender in polyurethane production. It shows good thermal stability and mechanical strength enhancement for polymer materials. It is slightly soluble in alcohol and ether, and stable under ordinary storage conditions.
Parameters
| Item | Value |
| Melting point | 100‑102 °C |
| Boiling point | 398.3±27.0 °C at 760 mmHg |
| Density | 1.15 g/cm3 |
| Flash point | 226.1±21.7 °C |
| Solubility | Slightly soluble in ethanol; insoluble in water |
| Storage | Sealed in dry, room temperature |
| Stability | Stable under normal temperatures and pressures |
| pKa | 13.14±0.70 (Predicted) |
Safety Information
| Item | Value |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-36 |
| WGK Germany | 3 |
| TSCA | Listed |
| HS Code | 2921590000 |
Product Applications
1. Used as a curing agent for epoxy resin systems in coatings, adhesives, and composites.
2. Applied as a chain extender in the manufacture of high-performance polyurethanes.
3. Utilized in the production of polyamide-imide resins and high-temperature polymers.
4. Used in organic synthesis and chemical intermediate manufacturing.
Logistics Information
Fast delivery time
Inventory: 2–3 working days
New production: 7–10 working days
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