Promotional price valid on web orders only. Your contract pricing may differ. Interested in signing up for a dedicated account number?
Learn More

Sodium tetraborate, 98%, Acros Organics™

Click to view available options
Quantity:
100g
500g
2.5kg
Packaging:
Plastic bottle
1330-43-4
B4Na2O7
201.22
Borax, fused
1330-43-4
B4Na2O7
201.22
Borax, fused
Assay Percent Range 98%
Linear Formula Na2B4O7
Fieser 04,461; 15,295
Merck Index 15,8726
Solubility Information Solubility in water: 26g/L (20°C). Other solubilities: insoluble in alcohol
Formula Weight 201.22
Physical Form Crystals or Crystalline Powder
Percent Purity 98%
Grade Analysis
Calcium (Ca) 200ppm max.
Chloride 500ppm max.
Chlorine (Cl) 500ppm max.
Copper (Cu) 50ppm max.
Heavy Metals (as Pb) 50ppm max.
Insoluble in Water 0.05 % max.
Iron (Fe) 50ppm max.
Lead (Pb) 50ppm max.
Magnesium (Mg) 200ppm max.
Nickel (Ni) 50ppm max.
Packaging Plastic bottle
Phosphate 50ppm max.
Potassium (K) 500ppm max.
Solubility Solubility in water: 26g/L (20°C). Other solubilities: insoluble in alcohol
Boiling Point 1575.0°C
Color Orange
Melting Point 741.0°C
Quantity 2.5kg
Chemical Name or Material Sodium tetraborate
Show More Show Less