N-Acetyl-L-cysteine
CAS No.: 616-91-1
Product Name: N-Acetyl-L-cysteine
CAS#616-91-1
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
CAS#616-91-1
Package: 25kg/drum
Delivery time: in stock for prompt shipment.
Dangerous goods or not: Not
Country of origin: China
Description
Spec of N-Acetyl-L-cysteine:
| Items | Specification | Results | |
| Description | White crystals or crystalline powder | White crystalline powder | |
| Identification | Infrared absorption | Conforms | |
| Assay,% | 98.5~ 101.0 | 99.45 | |
| pH value | 2.0 ~ 2.8 | 2.22 | |
| Melting point, ℃ | 106 - 110 | 107-109 | |
| Specific optical rotation[a]D20° | +21.3~ +27.0° | +25.2° | |
| State of solution (Transmittance) min % | 98.0 | 98.85 | |
| Loss on drying,max % | 0.5 | 0.15 | |
| Residue on ignition,max % | 0.20 | 0.08 | |
| Chloride (Cl）,max % | 0.04 | ＜0.04 | |
| Sulfate (SO4),max % | 0.03 | ＜0.03 | |
| Ammonium ( NH4),max % | 0.02 | ＜0.02 | |
| Heavy metals（Pb）,max % | 0.001 | ＜0.001 | |
| Iron (Fe) , max % | 0.002 | 0.002 | |
| Arsenic(asAS2O3),max % | 0.0001 | ＜0.0001 |
