|
 Byname:
PG
Molecular formula and weight( based on 1983 international
atomic weight )
Molecular formula: C10H12O5
Molecular weight: 212.21
Properties:White to light brown crystalline
powder, odorless, soluble in 1000-share water, 3-share aether
or 2000-share peanut oil, soluble in ethanol, propanol, aether,
chloroform, slightly soluble in water.
Use:Widely used in food industry, pharmaceutical
preparation. It is a kind of excellent oil antioxidant, used
in cosmetics and ultraviolet radiation inhibitor etc..
Specification:in accordance with GB3263
- 82
Main technical index:
Index name |
National standard |
Factory standard |
Content
% |
98-102 |
99.70-100.5 |
Range of
melting point °C |
146-150 |
146-149 |
Arsenic
salt (As) % ≤ |
0.0003 |
0.0003 |
Heavy metal
(Pb) % ≤ |
0.001 |
0.001 |
Loss on
drying % ≤ |
0.5 |
0.50 |
Residue
on ignition % ≤ |
0.1 |
0.05 |
Chromatic
number APHA ≤ |
50 |
50 |
Storage:Stored in sealed container.
Packing: Plastic bag,NW: 25Kg/bag, Export products:
packed in cardboard drum, 25Kg/drum. |
