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Product bulletin Sodium chloride, Optical Grade Catalog Number: 11019 Properties: Colorless to white broken crystals, odorless CAS No: 7647-14-5 Einecs No.: 231-598-3 Molecular formula: NaCl Molecular weight: 58.44 Melting point: 801º C Density: 2.165 Sodium chloride, also known as table salt, occurs in nature as the mineral halite. It is produced by mining, 1 by evaporation of brine from underground salt deposits and from sea water by1 solar evaporation. Natural salt is the source of chlorine and of sodium as well as most their compounds. Sodium chloride is used for preserving food, manufacturing soap, to salt out dyes, in freezing mixtures, for dying and print fabrics, glazing 1 1 pottery, curing hides and metallurgy of tin and other metals. Salt is an essential nutrient factor. Solubility: Soluble in water (360 g/l @ 20ºC) and glycerol. Very slightly soluble in alcohol.. Storage: Hygroscopic, store away from moisture. References: 1 The Merck Index, Fourteenth Edition This product is offered for R&D use only. Not for human, medical, veterinary, food or household use.