Hubei Tianxin Biotech Co., Ltd. sell "Gallic Acid"

Gallic acid (chemically 3,4,5-trihydroxybenzoic acid), molecular formula C7H6O5·H2O / C7H6O5, molecular weight 188.13/170.12, CAS 149-91-7, appears as a white or off-white crystalline powder. It is widely applied across pharmaceuticals, dyes, chemicals, organic synthesis, and rare-metal analysis. Packed in 25 kg woven bags or fiber drums with inner plastic liners; store away from moisture and light in a hermetically sealed container.