Short Description:
Guaifenesin
CAS Number: 93-14-1
Molecular Formula: C10H14O4
Standard: USP33
Package: 25kg/drum
Description:
Guaifenesin
CAS Number: 93-14-1
Molecular Formula: C10H14O4
Standard: USP33
Package: 25kg/drum
| ITEMS | LIMIT |
| Appearance | White crystalline powder |
| Identification | IR. Conforms to RS sprctrum |
| UV. Conforms to RS sprctrum | |
| Chemical test: Positive | |
| Melting point | 78 ~ 82℃ |
| Loss on drying | NMT 0.5% |
| Heavy metals | NMT 0.0025% |
| Related substances | β-isomer: NMT 1.5% |
| Guaiacol: NMT 0.03% | |
| Impurity C: NMT 0.5% | |
| Impurity D: NMT 0.5% | |
| Other individual unknown impurity: NMT 0.10% | |
| Sum of all impurities: NMT 1.0% | |
| Assay | 98.0 ~ 102.0% |
