2-Butanone, 99.995%, Certified® Ultrapure ACS Plus 10g

CERTIFICATE OF ANALYSIS

• Cat 2011590-CUAP4N5   10 GM   Lot JTB-0149-121836
• Certified® Ultrapure ACS Plus
• for testing USP/NF monographs
• 100.0%
• CAS 78-93-3   

• Acidity 20ppm
• Appearance clear colorless liquid
• Assay (GC, corrected for water) 100.0%
• Boiling point 79.64°C
• Color (APHA) 5
• Density 0.798
• Flash point 9°C
• Identification conforms
• Meets specifications for testing USP/NF monographs
• Melting point -86°C
• Molecular formula C₄H₈O     
• Molecular weight 72.11   
• Refractive index 1.379
• Residue on evaporation 0.6ppm
• Solubility miscible in cold water, diethyl ether, acetone, and water (0.275g/ml)
• Water (H₂O, KF) 30ppm
• Retest date: 05/2026