plant extracts - Pyrogallic Acid
Pyrogallic Acid (also known as 3,4,5-trihydroxybenzoic acid) is a trihydroxybenzoic acid. it is classified as a phenolic acid. it is establish in gallnuts, sumac, battleaxe hazel, tea leaves, oak bark, and other plants. it is a off-white windowless, although samples are typically brown owing to having a fondness for oxidation. salts and esters of Pyrogallic Acid are termed "gallates".
Pyrogallic Acid is an vital component of iron sore spot ink, the sample european review and composition ink from the 12th to 19th centuries, with a story extending to the roman empire and the lustreless bounding main scrolls. pliny the pre-eminent describes the basis of Pyrogallic Acid as a means of detecting an adulteration
we are coloring agents vender of Pyrogallic Acid Tannic acid from china.
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