Melamine Hydrobromide is a white crystalline solid with a melting point above 250°C, ensuring high thermal stability during processing.

Physical characteristics

  • Melamine hydrobromide Appearance: White to pale yellow crystalline powder
  • Melamine hydrobromide Density: Approximately 1.8 g/cm³
  • Melamine hydrobromide Melting point: Above 250°C
  • Melamine hydrobromide Boiling point: 557.5ºC at 760mmHg
  • Melamine hydrobromide Flash point: 325.3ºC
  • Melamine hydrobromide Vapor pressure: 1.82E-12mmHg at 25°C

The physical properties of melamine hydrobromide, including its stability, solubility, and crystalline structure, make it an effective and versatile component in fire-resistant materials and coatings.

MHB

Melamine hydrobromide has a relatively high melting point, reflecting its thermal stability. This property is crucial for its use in high-temperature processes, such as polymer manufacturing. Upon heating, melamine hydrobromide decomposes to release hydrogen bromide (HBr) and nitrogen-rich gases, which contribute to its flame retardant function.

Melamine hydrobromide is moderately soluble in water and polar solvents, making it suitable for incorporation into aqueous or solvent-based systems. The solubility also aids in uniform dispersion when used as an additive. Melamine hydrobromide is slightly hygroscopic, meaning it can absorb moisture from the environment, which may require careful storage in dry conditions to maintain its integrity.

In terms of density, MHB is denser than water, facilitating its blending with heavier polymer matrices. Its crystalline nature contributes to its stability and allows for precise dosing during industrial applications.

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