4-Aminobutyric Acid
Items of Test | Limited | Results |
Appearance | Almost white crystal of crystalline powder | |
Identification | Positive | Positive |
Melting point | 197.0 -203.0°C | 198.5-200.0°C |
Acidity of alkalinity | 6.0~8.0 | 7.04 |
Clarity of solution | Clarity | Clarity |
Chloride | 0.014% max | <0.01% |
Loss on drying | 0.5% max | 0.26% |
Residue on ignition | 0.1% max | 0.04% |
Heavy Metals | 10ppm max | <10ppm |
Assay | 99% min | 99.55% |