Na2B4O7·10H2O
Borax, Sodium biborate decahydrate, Sodium borate
M.W: 381.37 CAS: 1303-96-4 EC: 215-540-4 EC INDEX: 005-011-01-1
- 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%
- Heavy metals (Pb) ≤ 0.001%
- Sulfates (SO4) ≤ 0.005%
- Calcium (Ca) ≤ 0.005%
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