Appearance: Black or dark brown powder
Melting Point: 2150-2301°C
Boiling Point: 2550-2658°C
Density: Amorphous boron powder has a density of 2.37 g/cm³, while crystalline boron has a density of 2.34-2.46 g/cm³
Mohs Hardness: 9.3
Stability: Stable at room temperature, begins to oxidize upon heating to 300°C, and becomes flammable above 700°C.
Solubility: Insoluble in water, slightly soluble in nitric acid
Reactivity: Reacts directly with elements such as fluorine and oxygen, and forms borides with metals (such as copper, iron, and aluminum) at high temperatures.
Inner packaging: Antistatic double-layer polyethylene (PE) bags, vacuum sealed
Outer packaging: Carton box or iron drum with foam cushioning for shock protection
Standard package sizes: 100 g/bottle, 500 g/bottle, 1 kg/bottle, 5 kg/drum, 25 kg/drum (customization available upon request)
Handling notes: Keep packaging sealed, moisture-proof, and protected from mechanical impact. Store away from strong oxidizing agents.
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