Item | Limit | Test result |
Appearance | White or colorless crystal | Passed |
Assay | 99.0% | 99.3% |
state of solution (transmittance) | Clear and colorless not less than 98.0% | 98.2% |
chloride (cl) | Not more than 1.0% | Not more than 1.0% |
Ammonium(NH4) | Not more than0.02% | Not more than 0.02% |
Sulfate(so4) | Not more than 0.026% | Not more than 0.026% |
Iron (Fe) | Not more than 30PPM | Not more than 30PPM |
Heavy metals (pb) | Not more than 10PPM | Not more than 10 PPM |
Arsenic (ASO3) | Not more than 1PPM | Not more than 1 PPM |
Other amino acids | Conforms | Conforms |
Loss on drying | Not more than 0.50% | 0.30% |
specific rotation (a)20 | +24.7 ~+25.2 | 25.0 |
PH | 6.7~7.2 | 6.9 |
We can also supply products as followings:
DL-methionine:
CAS: 59-51-8 | Other Names: DL-2-Amino-4-(methylmercapto)butyric acid | MF: C5H11NO2S |
EINECS: 200-462-1 | FEMA: 3301 | Molecular Weight: 149.21 |
Type: Amino acid | Grade: Feed grade | Usage: Feed additive |
L-Lysine HCl:
CAS: 657-27-2 | Other Names: L-Lysine hydrochloride | MF: C6H14N2O2.HCl |
EINECS: 211-519-9 | FEMA: 3847 | Molecular Weight: 182.65 |
Type: Amino acid | Grade: Feed grade | Usage: Feed additive |
L-Threonine:
CAS: 72-19-5 | Other Names: L-2-Amino-3-hydroxybutyric acid | MF: C4H9NO3 |
EINECS: 200-774-1 | Efficiency: Promote animals growth | Molecular Weight: 182.65 |
Type: Amino acid | Grade: Feed grade | Usage: Feed additive |
L-Tryptophan:
CAS: 73-22-3 | Other Names: L-2-Amino-3-hydroxybutyric acid | MF: C11H12N2O2 |
EINECS: 200-795-6 | Efficiency: Promote animals growth | Molecular Weight: 204.23 |
Type: Amino acid | Grade: Feed grade | Usage: Feed additive |
If you are interested in any of our products, please feel free to visit our website for more details or contact us directly with your inquiries

Verified Company
Jizhou Huaheng Biological Technology Co., Ltd.

