| Product name | Cysteamine HCI | 
| CAS | 56-57-0 | 
| Apperance | Almost white particulates | 
| Specification | Cysteamine HCI≥20% | 
| Particle Size | 20-80mesh(0.84-0.178mm)≥90% | 
| loss on drying | ≤5.0% | 
| Heavy metal | ≤2ppm | 
| Thermo-stability | Not less than 95%(105ºC for 6H) | 
| Shelf time | 2 years,keep away sunlight, keep dry | 
| Certificate | KOSHER,HALAL,GMP,ISO,MSDS,COA |