4-Aminobutyric acid (GABA)
CAS No.: [56-12-2]
Synonyms: 4-Aminobutanoic acid; Piperidic acid; Piperidinic acid; GABA
Molecular formula: C4H9NO2
Molecular weight: 103.12
Specification:
| Appearance |
White crystals or crystalline powder |
| Identification |
Chemical |
| pH |
6.5-7.5 |
| Loss on Drying |
0.5% max. |
| Assay |
99.0% min. |
| Melting Point |
197-204°C |
| Residue on Ignition |
0.07% max. |
| Clarity of Solution |
Clear |
| Heavy Metals |
10 ppm max. |
| Arsenic |
1 ppm max. |
| Chloride |
40 ppm max. |
| Sulfate |
50 ppm max. |
| Ca2+ |
No opalescence |
| Lead |
3 ppm max. |
| Mercury |
0.1 ppm max. |
| Cadmium |
1 ppm max. |
| Total Plate Count |
1000 Cfu/g max. |
| Yeast & Mold |
100 Cfu/g max. |
| E.Coli |
Negative |
| Salmonella |
Negative |
Packing: net 25 kg drum
Molecular structure:
