Molecular Biology grade A (0.02M in water): ≤0.05 AU Assay (-SH content): ≥99.4% DNase: None Detected Infrared spectrum: Conforms to standard Loss on drying: ≤0.5% Melting point: 39 to 43°C Protease: None Detected RNase: None Detected Solubility (5%, water): To pass test Packaged in Glass Bottle