Gallic Acid

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Gallic Acid
Posting date : Sep 09, 2011
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29-
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CAS NO.: 149-91-7 EINECS:205-749-9 ,Molar mass: 170.12g/mol Other name: Benzoic acid, 3, 4, 5-trihydroxy Appearance: White, yellowish-white, or pale fawn-colored crystals Density: 1.7 g/cm3(anhydrous) Melting point:250°C ,523k, 482 °F Solubility in water:1.1g/100ml water at 20 °C(anhydrous), 1.5g/100ml water at 20°C(monnhydrate) Usage: It is used as a tanning agent, as in ink dye, and in photography and useful in the manufacture of paper. Commonly used in the pharmaceutical industry. It is used as a standard for determining the phenol content of various analytes by the Folin-Ciocalteau assay; results are reported in gallic acid equivalents.[3] Gallic acid can also be used as a starting material in the synthesis of the psychedelic alkaloid mescaline.[4]

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