Boric acid, 99.9995%, Certified® Trace 10g

CERTIFICATE OF ANALYSIS

• Cat 2331392-CT5N5   10 GM   Lot AA-10659-23389
• Certified® Trace
• 99.99963% 
• CAS 10043-35-3

• Aluminum (Al) 1ppm
• Appearance white crystalline powder
• Assay (metal basis) 99.99963%
• Boiling point 300°C
• Calcium (Ca) 1ppm
• Chromium (Cr) 0.1ppm
• Density 1.435
• Identification (ICP) confirms boron component
• Iron (Fe) 0.5ppm
• Melting point 170.9°C  
• Molecular formula BH₃O₃  
• Molecular weight 61.83
• Nickel (Ni) 0.1ppm
• Refractive index 1.385
• Silicon (Si) 1ppm
• Solubility in methanol, ethanol, slightly in acetone, increases rapidly with temperature in water
• Retest 12/2026