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Calcium chloride dihydrate is widely used as an ingredient in ceramic slipware, cosmetic and food items. It acts as a pH buffer in swimming pool water. It provides inhibition of swelling clays in the water phase of invert emulsion drilling fluids. It is employed in the oil industry to increase the density of solids-free brines. It is used as a flux in the Davy process for the manufacture of sodium through the electrolysis of molten sodium chloride. It finds an important application as an additive in plastics, fire extinguishers, blast furnaces and in wastewater treatment as a drainage aid.
Tsubogo, T.; Yamashita, Y.; Kobayashi, S. Calcium Chloride (CaCl2) as Catalyst for Asymmetric Organic Reactions. Top. Catal. 2014, 57 (10), 935-939.
Yang, J. C.; Wu, H. D.; Teng, N. C.; Ji, D. Y.; Lee, S. Y. Novel attempts for the synthesis of calcium sulfate hydrates in calcium chloride solutions under atmospheric conditions. Ceram. Int. 2012, 38 (1), 381-387.
Hazard Statements: H319
Causes serious eye irritation.
Precautionary Statements: P280i-P264-P305+P351+P338-P337+P313
Wear eye/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention.