Spectromelt® B 10 di-Sodium tetraborate. CAS 1330-43-4, EC Number 215-540-4, chemical formula Na₂B₄O₇.
Physicochemical Information
Density
2.367 g/cm3 (20 °C)
Melting Point
741 °C
pH value
9.2 (25 g/l, H₂O, 20 °C)
Vapor pressure
7.3 hPa (1200 °C)
Bulk density
700 kg/m3
Solubility
25.6 g/l
Toxicological Information
LD 50 dermal
LD50 Rabbit > 2000 mg/kg
Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)
H319: Causes serious eye irritation. H360FD: May damage fertility. May damage the unborn child.
Precautionary Statement(s)
P202: Do not handle until all safety precautions have been read and understood. P264: Wash skin thoroughly after handling. P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308 + P313: IF exposed or concerned: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/ attention.
3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.