CAS No:50-18-0
Shelf life:2 years
The detailed specifications are as below:
| Items | Standard |
| Description | White crystalline powder |
| Identification A | IR , UV conform |
| Identification B | Should conform |
| PH Value | 3.9～7.1 |
| Water | 5.7%~6.8% |
| Heavy Metals | Not more than 0.002% |
| Chlorides | Not more than 0.018% |
| Melting range | 48.5°C～52°C |
| Related | A : Not more than 0.06 B: Not more than 0.06 C: Not more than 0.06 D: Not more than 0.06 |
| Limit of propanolamine | ≤0.025 % |
| Limit of phosphate | ≤0.01 % |
| Residual solvents | Alcohol : not more than 5000ppm Acetone : not more than 5000ppm |
| Assay | 97.0%～103.0% |