Guangzhou Qianyi Chemical Co., Ltd
We are professional supplier of Chitosan,CMC,All kinds of sweetener,Chondroitin sulfate,Fish Collagen Peptide,Ethyl Vanillin,Sildenafil.
Business Type:Trader
Country/Region:China
Ddu Verified
HOT Rank
ITEMS | SPECIFICATION | RESULTS |
Specific rotation[a]D20° | +21.3°~+27.0° | +23.7° |
State of solution | ≥98.0% | 98.5% |
Chloride(Cl) | ≤0.04% | 0.027% |
Ammonium(NH4) | ≤0.02% | 0.015% |
Sulfate(SO4) | ≤0.030% | 0.015% |
Iron(Fe) | ≤10PPm | 5.0PPm |
Arsenic(As2O3) | ≤1PPm | 0.1PPm |
Heavy metals(Pb) | ≤10PPm | 5PPm |
Loss on drying | ≤0.5% | 0.36% |
Other amino acids | Chromatographically Not detectable | Qualified |
Residue on ignition | ≤0.20% | 0.07% |
Melting point | 106-110DEGREE C | 108 |
Assay | 98.5~101.0% | 99.9% |
PH | 2.0~2.8 | 2.5 |
1.N-Acetyl-L-cysteine cas no:616-91-1
2.Cas no:616-91-1
3.99.0% EP,USP white powder
4.Package:25kg/drum
