Customization: | Available |
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CAS No.: | 149-91-7 |
Formula: | C7h6o5 |
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Gallic acid is a trihydroxybenzoic acid found in gallnuts, sumac, witch hazel, tea leaves, oak bark, and other plants.Gallic acid is found both free and as part of hydrolyzable tannins. The gallic acid groups are usually bonded to form dimers such as ellagic acid. Hydrolysable tannins break down on hydrolysis to give gallic acid and glucose or ellagic acid and glucose, known as gallotannins and ellagitannins respectively.
CONTENT | SPECIFICATIONS |
Molecular weight | 170.12 |
Melting point | 252 ºC |
Boiling point | 501.1 ºC |
Water-solubility | Soluble in hot water, difficult to dissolve in cold water |
Density | 1.694 g/cm³ |
Appearance | White crystalline powder |
Flash point | 271.0 ºC |
Application | Can be used in pharmaceuticals, inks, dyes, food, organic synthesis, and other fields |
logP | 0.91 |
Refractivity | 1.730 |
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Our factory is located at Dalian
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It depends on the order quantity and the season you place the order.
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You can get our free samples, but you need to pay the freight
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Always a pre-production sample for your approval before mass production;
Always final lnspection before ship.
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lt could be shipped by sea,by air or by express (EMS,UPS,DHL,TNT,FEDEX and ect).