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| Chinese Propyl Gallate . Propyl Gallic acid |
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| PG |
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| 149-91-7 |
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Use:Industrial gallic acid used in analyzing and testing bismuth, cerium, copper, nitryl,phosphorus, silver, thorium and titanium etc.. It is also widely used in the fields including organic synthesis, pharmaceutical, ink, dyes, national defence and food etc..
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Propyl Gallate . Propyl Gallic acid
Byname: PG
CAS :121-79-9
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
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