Sodium Tetraborate
Product Description
| Product | Sodium Tetraborate |
| CAS | 1303-96-4 |
| Formula | Na2B4O7.10H2O |
| Synonym | Borax, Sodium Borate, Sodium Borate Decahydrate, Borax (B4Na2O7.10H2O) |
Typical Product Specifications
| Density | 1.73 |
| pH | 9.5 |
| Insolubility | in alcohol |
| Melting Point | 75 c |
| Odor | odorless |
| Molecular weight | 381.37 |
| Solubility | 16 ml water, 1 ml glycerol |
| Boiling Point | 320 c (becomes anhyd.) |
| Chemical Structure | ![]() |
| Notes | Crosslinker; Maintains fluid viscosity as temperature increases in drilling fluids |
| Class | Inorganic Chemicals: Nitrates, Phosphates, Oxides & more, Industrial Chemicals |
| Function | Drilling Fluid Additives, Cross-linking Agent, Viscosity Control, Fluid Control |
| Industry | Industrial, Industrial Drilling, Oil and Gas Production, Drilling Fluid, Fracking, Hydraulic Fracturing |

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