Propyl Gallate USP/USNF 99%
Propyl Gallate USP/USNF 99%
Synonyms: | Benzoic Acid, 3,4,5-Trihydroxy-, propyl ester |
Molecular Formula: | C10H12O5 |
CAS# | 121-79-9 |
EINECS: | 204-498-2 |
Molecular Weight: | 212.20 |
Specifications |
|
Item | Requirement |
Appearance | White or almost white, crystalline powder |
Solubility | Very slightly soluble in water, free soluble in alcohol and in ether. |
Melting Range | 146 -150°C |
Loss on Drying | 0.5% max , at 105°C for 4 hours |
Residue on ignition | 0.1% max |
Organic volatile impurities | Meets the requirement |
Heavy Metals | 0.001% max |
Assay(on dry base) | 98.0 -102.0% |
Application:
Antioxidant.
Packing:
In fiber drums /paper bags /cartons, 25kg net each.
Storage Recommendations:
To be stored in cool & dry place (<25 °C). Preserve in tight containers, protected from light, and avoid contact with metals.
Shelf Life:
24 months under above-mentioned conditions and in unopened container.
