Sodium tetraborate
ALDRICH/221732 - 99%
Synonym: Borax, fused
CAS Number: 1330-43-4
Empirical Formula (Hill Notation): B4Na2O7
Molecular Weight: 201.22
EC Number: 215-540-4
MDL Number: MFCD00081185
Linear Formula: Na2B4O7
Product Type: Chemical
| agency | suitable for SM 4500 - NH3 |
| assay | 99% |
| density | 2.367 g/mL at 25 °C (lit.) |
| form | solid |
| InChI | 1S/B4O7.2Na/c5-1-7-3-9-2( |
| InChI key | UQGFMSUEHSUPRD-UHFFFAOYSA |
| mp | 741 °C (lit.) |
| Quality Level | 200 ![]() |
| SMILES string | [Na+].[Na+].[O-]B1Ob2ob([ |
| Application: | Sodium tetraborate (Na2B4O7) can be used as a co-catalyst for the oxidation of alcohols to corresponding carbonyl compounds in greener non-chlorinated solvents in the presence of TEMPO/NaOCl. It is also used as a structure-directing agent as well as a catalyst in the preparation of carbon aerogels using glucose as the carbon precursor. |
| Packaging: | 100, 500 g in poly bottle |
| Symbol | ![]() GHS07,GHS08 |
| Signal word | Danger |
| Hazard statements | H319 - H360FD |
| Precautionary statements | P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313 |
| Hazard Codes | T |
| Risk Statements | 60-61 |
| Safety Statements | 53-45 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 1 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | 99% |
| mp | 741 °C (lit.) |
| Density | 2.367 g/mL at 25 °C (lit.) |
| UNSPSC | 12352302 |



