Vihita Chem Pvt. Ltd. Manufactures Propyl Gallate [Tech.]. Vihita Chem Pvt. Ltd. Is the manufacturer and exporter of drugs and fragrance intermediates and speciality chemicals. The Propyl Gallate [Tech.] has CAS no.: 121-79-9, Molecular Formulae: 3, 4, 5[OH]3 C6H2COCH2CH2 CH3, Mol. Wt: 212.20 and Assay: 99 percent. This Propyl Gallate [Tech.] comes in crystalline powder form and in 25 KGs HDPE drums.