Synonyms: ‘Caustic soda'
Formula: NaOH
Formula Weight: 40.00
CAS No.: 1310-73-2
Purity: ≥98.0% (T)
Other Notes: Reagent for the decomposition of silicates by fusion1,2
Anion Traces: chloride (Cl-): ≤10 mg/kg
Assay: ≥98.0% (T)
Cation Traces: Cr: ≤5 mg/kg
Form: pellets
Grade: puriss. p.a.
Impurities: ≤0.0005% silicon dioxide (SiO2)
MP: 318°C(lit.)
Vapor Density: >1 (vs air)
Vapor Pressure: <18 mmHg ( 20°C)