AVA Chemicals [P] Ltd. Offers LR Grade Sodium Acetate Trihydrate. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company. The chemical formula of LR Grade Sodium Acetate Trihydrate is CH3COO Na3H2O. Molecular Weight of this chemical is 136.09. White Crystals like appearance, LR Grade Sodium Acetate Trihydrate has the assay of minimum 98%. 5% solution of this chemical measures 78.1 which ranges from 7 to 9 in pH rating scale. The Heavy Waters content in this chemical is 10 PPM, Arsenic content is 1 PPM, Iron content is 20 PPM and Chloride content is 250 PPM.