Propyl Gallate BP /EP 99%.
A safe antioxidant for food, feed, pet food, cosmetics.
Propyl Gallate BP Grade / EP Grade 99%
Propyl 3,4,5-Trihydroxybenzoate, N-Propyl Gallate
White or almost white, crystalline powder
Very slightly soluble in water, free soluble in alcohol and in ether. It dissolves in dilute solutions of alkali hydroxides.
First identification: B; Second identification: A,C,D
A. Melting Point: 148 - 151 °C
B. Infrared absorption
C. Gallic Acid test by TLC
D. Bismuth subnitrate test (bright yellow precipitate)
148 - 151 °C
Appearance of solution
Clear and not intensely colored than reference solution BY5
Complies by TLC
200 ppm max
100 ppm max
Heavy Metals (As Pb)
10 ppm max
Loss on Drying
0.5% max (1g, 100 -105 °C)
25 ppm max
In fiber drums /paper bags /cartons, 25kg net each.
To be stored in cool & dry place (<25 °C). Preserve in tight containers, protected from light, and avoid contact with metals.
24 months under above-mentioned conditions and in unopened container.