di-Sodium tetraborate decahydrate (BORAX) AGR

Description

Na₂B₄O_7·10H₂O
Borax, Sodium biborate decahydrate, Sodium borate
M.W: 381.37  CAS: 1303-96-4  EC: 215-540-4  TARIC: 28401990
EC INDEX: 005-011-01-1  

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• Appearance Colourless crystals/ white powder
• Assay 99.5 – 100.5%
• Iron (Fe) ≤ 0.0005%
• Insolubility in water ≤ 0.005%
• pH (25°C) 9.15 – 9.20
• Chloride (Cl^–) ≤ 0.001%
• Phosphate (PO₄) ≤ 0.001%
• Sulfates (SO₄) ≤ 0.005%
• Heavy metals (Pb) ≤ 0.001%
• Calcium (Ca) ≤ 0.005%

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