China High Qualitgy Amino Acid CAS: 56-89-3 L-Cystine, Find details about China L-Cystine, Cystine Powder from High Qualitgy Amino Acid CAS: 56-89-3 L-Cystine
Product Name | L-CYSTINE |
CAS No. | 56-89-3 |
MF | C6H12N2O4S2 |
EINECS No. | 200-296-3 |
Molecular Weight | 240.3 |
Appearance | white powder |
Density | 1.68 |
Melting Point | >240 °C (dec.) (lit.) |
Water Solubility | 0.112 g/L (25 ºC) |
Purity | 99%min |
Item | Specifications (AJI97 ) |
Appearance | White crystalline powder |
Assay, % | 98.0~101.0 |
Specific rotation | +8.3°~+9.5° |
Loss on drying, % | ≤0.5 |
Transmittance, % | ≥95.0 |
Chloride (as Cl), % | ≤0.04 |
Sulfate (as SO4), % | ≤0.03 |
Ammonium as (as NH4), % | ≤0.02 |
Iron (as Fe), % | ≤0.001 |
Heavy Metals (as Pb), % | ≤0.001 |
Arsenic (as As), % | ≤0.0001 |
pH Value | 4.5~5.5 |
Residue on ignition, % | ≤0.1 |
Other amino acid | No detd |