PRODUCT Properties
| Melting point: | 966 °C |
| Boiling point: | 1434 °C |
| Density | 2.464 |
| solubility | soluble in H2O |
| pka | 8.94[at 20 ℃] |
| form | white hexagonal crystals |
| color | white hexagonal, hexane crystals, crystalline |
| Water Solubility | g/100g solution H2O: 14.10 (0°C), 22.00 (25°C), 55.60 (100°C); solid phase, NaBO2 ·4H2O (0°C, 25°C), NaBO2 · 2H2O (100°C) [KRU93] |
| NIST Chemistry Reference | Sodium metaborate(7775-19-1) |
| EPA Substance Registry System | Sodium metaborate (7775-19-1) |
Description and Uses
Herbicide. Also available commercially as octahydrate and tetrahydrate.
Safety
| Symbol(GHS) |   GHS08,GHS07 |
| Signal word | Warning |
| Hazard statements | H361-H319 |
| Precautionary statements | P264-P280-P305+P351+P338-P337+P313P-P201-P202-P281-P308+P313-P405-P501 |
| RIDADR | UN3077(solid) |
| Hazardous Substances Data | 7775-19-1(Hazardous Substances Data) |
