Sodium metaborate tetrahydrate
ALDRICH/S0251 - ≥99%
Synonym: Boric acid, sodium salt, tetrahydrate
CAS Number: 10555-76-7
Empirical Formula (Hill Notation): BNaO2 · 4H2O
Molecular Weight: 137.86
EC Number: 231-891-6
MDL Number: MFCD00149205
Linear Formula: NaBO2 · 4H2O
Product Type: Chemical
| assay | ≥99% |
| form | powder |
| InChI | 1S/BO2.Na.4H2O/c2-1-3;;;; |
| InChI key | JAKYJVJWXKRTSJ-UHFFFAOYSA |
| Quality Level | 200 ![]() |
| reaction suitability | core: sodium |
| SMILES string | O.O.O.O.[Na+].[O-]B=O |
| Application: | Sodium metaborate tetrahydrate can be used: • As a precursor to prepare an environment-friendly NaBO2/PMS catalytic system for efficient removal of organic pollutants. • To enhance the flame-retardant properties of epoxy fireproof coatings. |
| Disclaimer: | Readily reacts with CO2 in air. |
| General description: | Sodium metaborate tetrahydrate is a colorless crystalline solid that serves as a Boron source in the synthesis of NaBH4. It finds applications in the textile industry, as well as in flame retardants and additives. |
| Packaging: | 1 kg in poly bottle |
| Packaging: | 500 g in poly bottle |
| Symbol | ![]() GHS07,GHS08 |
| Signal word | Warning |
| Hazard statements | H319 - H361d |
| Precautionary statements | P201 - P305 + P351 + P338 - P308 + P313 |
| Hazard Codes | Xi |
| Risk Statements | 63-36 |
| Safety Statements | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Purity | ≥99% |
| UNSPSC | 12352302 |



