4-Aminobutyric acid (56-12-2)
1、 Basic Information
1. Chemical name: gamma aminobutyric acid
2. Chinese alias: gamma aminobutyric acid; 4-aminobutyric acid; Gamma aminobutyric acid; GABA
3. English name: gamma aminobutyric acid
4. Molecular formula: C4H9NO2
5. Molecular weight: 103.12
6. CAS number: 56-12-2
7. EINECS number: 200-258-6
8. Appearance: White or light yellow crystals
2、 Technical parameters
project
General specification requirements and indicators
Special specification requirements indicators
Gamma aminobutyric acid content (on a dry basis)
99.0%~101.0%
99.0%~101.0%
transmittance
≥98.0%
≥98.0%
chloride
≤0.02%
≤0.02%
ammonium salt
≤0.02%
≤0.02%
Sulfate
≤0.04%
≤0.04%
Iron (Fe)
≤30 ppm
≤30 ppm
Heavy metal (Pb)
≤10 ppm
≤10 ppm
Lead (Pb)
≤5 ppm
≤0.3 ppm
Arsenic (As, 0)
≤2 ppm
≤0.2 ppm
Loss on drying
≤0.50%
≤0.50%
residue on ignition
≤0.10%
≤0.10%
pH
7.0~8.0
7.0~8.0
(The above parameters are reference values, please refer to the factory inspection report for details.)
3、 Packaging specifications
25kg cardboard drum