| ≥1 piece |
Chemical Name: propyl 4-hydroxybenzoate
Trade Name: propyl paraben
Molecular: C10H12O3
Molecular: 180.20
CAS#: 94-13-3
Physical and Chemical Properties: White crystalline. Easily dissolved in alcohol, ether, but not dissolved in water.
Usage: Mainly used as antiseptics in foodstuff, medicine and cosmetics. It can also ben used in feed as antiseptics.
| ITEM | SPECIFICATION | ||
| GB8851-2005 | B.P 2009 | USP32 | |
| Appearance | / | white crystalline powder | / |
| Purity (on dry base)% | 99 | 99.0-100.5 | 99.0-100.50 |
| Melting point C | 95-98 | 95-98 | 95-98 |
| Acidity | qualified | qualified | qualified |
| Sulfate(SO42- ) %≤ | 0.024 | / | / |
| Heavy Metal(Pb) %≤ | 0.001 | / | / |
| Heavy Metal(As) %≤ | 0.0001 | / | / |
| Loss on drying %≤ | 0.5 | 0.5 | 0.5 |
| Residue %≤ | 0.05 | 0.1 | 0.05 |
| p-hydroxybenzoic acid and salicylic acid %≤ | qualified | / | / |
| Related Substances | / | qualified | / |
| Appearance of Solution | / | clear | / |
| organic Volatile impurities | / | / | qualified |
| Identification | / | / | qualified |