Tannic acid

Tannic acid (CAS 1401-55-4), also known as tannin or gallotannin, is a naturally occurring polyphenolic compound extracted from plant sources such as oak bark, tea leaves, and nutgalls. With the molecular formula C₇₆H₅₂O₄₆ and a molecular weight of 1701.2, this versatile compound features a complex structure with multiple gallic acid ester groups.
As a trusted tannic acid supplier and manufacturer in China, Runtai Chemical produces food-grade tannic acid, pharmaceutical-grade tannic acid, and industrial-grade tannic acid — all meeting international standards, including USP, BP, and EP specifications. Our tannic acid is characterized by excellent solubility in water and alcohol, strong astringent properties, and a high binding affinity for proteins and alkaloids.
Runtai Chemical is a professional and reliable China manufacturer of Tannic acid with CAS 1401-55-4 with higher purity and lower price. If you are interested in our Tannic acid, PLS free to contact us for a free sample!