| ≥1 piece |
Chemical Name: butyl 4-hydroxybenzoate
Trade Name: butyl paraben
Molecular: C11H14O3
Molecular: 194.23
CAS#: 94-26-8
Physical and Chemical Properties: White crystalline with special smell and easily dissolved in alcohol, ether, chloroform, but difficult dissolved in water. Its tastes astringent.
Usage: Mainly used as intermediates of organic synthesis as well as antiseptics for foodstuff, medicine, cosmetics and films.
| ITEM | SPECIFICATION | ||
| BP 2009 | USP32/NF27 | Q/320217UAP02 | |
| Appearance | white crystalline powder | / | / |
| Purity (on dry base)% | 99.0-100.5 | 99.0-100.5 | >99 |
| Melting point C | 68-71 | 68-72 | 68-72 |
| 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 | 0.05 | 0.05 |
| p-hydroxybenzoic acid and salicylic acid %≤ | / | / | qualified |
| Related Substances | qualified | / | / |
| Appearance of Solution | clear | / | / |
| Organic Volatile impurities | / | qualified | / |
| Identification | / | qualified | / |