AVA Chemicals [P] Ltd. Offers LR grade Magnesium Acetate Tetrahydrate. AVA Chemicals [P] Ltd. Is an ISO 9001:2000 certified company which manufactures a wide range of chelating and sequestering agents and fine chemicals. The chemical formula of the LR grade Magnesium Acetate Tetrahydrate is [CH3COO]2MG.4H2O and its Molecular Weight is 214.4. Appear as White crystals, LR grade Magnesium Acetate Tetrahydrate has minimum assay of 98 %. This product is soluble in water and its pH of 15% w/v solution in water is 6.0 to 7.5. The impurities present in LR grade Magnesium Acetate Tetrahydrate is within limits.