Melamine (Flame Retardant Grade)
CAS Number: 108-78-1
Featured inFlame Retardants
Melamine flame retardant grade is a nitrogen-rich heterocyclic compound used as a blowing agent and gas-phase flame retardant in intumescent and halogen-free fire-retardant systems. It endothermically decomposes above 300°C, releasing inert gases (NH3, N2) that dilute oxygen and suppress combustion. Melamine is a key component in IFR (intumescent flame retardant) formulations alongside ammonium polyphosphate and polyols.
Technical Specifications
| appearance | White crystalline powder |
| purity (%) | ≥99.5 |
| melting point (°C) | 345–346 |
| nitrogen content (%) | ≥66 |
| phosphorus content (%) | 0 |
| decomposition temperature (°C) | >300 |
Applications
- Intumescent flame retardant coatings for steel and timber structures
- Halogen-free flame retardant polyolefin compounds (PP, PE, EVA)
- Rigid and flexible polyurethane foam with improved fire performance
- Epoxy resin composites requiring UL 94 V-0 rating
- Cable insulation and jacketing compounds with low smoke density
Key Features
- High nitrogen content (66%) delivers efficient gas-phase flame dilution upon decomposition
- Endothermic decomposition above 300°C absorbs heat and reduces polymer burning rate
- Synergistic with ammonium polyphosphate and pentaerythritol in IFR intumescent systems
- Halogen-free and low-toxicity profile compliant with REACH, RoHS, and EU construction regulations
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CAS Number
108-78-1
Category
Fire Retardant ChemicalsAvailability
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