Di-sodium Phosphate - Anhydrous

Product Details:

Di-sodium Hydrogen Phosphate

• Purpose: Used as a buffer substance for chromatography in analytical applications.
• Chemical Formula: Na₂HPO₄ · 2 H₂O
• Molar Mass: 177.99 g/mol
• Applications:
  • Chromatography: Ensures accurate separation and analysis.
  • Suitable for high-risk applications due to low microbial and endotoxin limits.
• Physicochemical Information:
  • Density: 2.1 g/cm³ (20°C)
  • Melting Point: 92.5°C
  • pH Value: 9.0 - 9.4 (50 g/l, H₂O, 20°C)
  • Bulk Density: 850 - 1000 kg/m³
  • Solubility: 93 g/l
• Safety Information:
  • LD50 Oral (Rat): > 2000 mg/kg
  • Storage Class: 10 - 13 (Other liquids and solids)
  • WGK: 1 (Slightly hazardous to water)
  • Disposal: Follow guidelines for inorganic salts.
• Specifications:
  • Identity: Passes test
  • Assay (Acidimetric): ≥ 99.0%
  • Self-absorption (UV): ≤ 0.15 (215 nm), ≤ 0.05 (220 nm), ≤ 0.02 (254 nm)