Appearance: white uniform fine particles or powder. Odorless, salty and with a bitter taste.
Density: 2.68g/cm.
Melting point 884 ℃. Soluble in water, solubility in 0-30.4 ℃ with the temperature within the rapidly increasing. Soluble in glycerin, insoluble in ethanol. Solution was neutral. When the solution is lower than 32.38 ℃, places ten monohydrate crystallization. Higher than 32.38 ℃ begins with anhydrous sodium sulfate crystallization.
Uses:
Mainly used for drying organic solvents except water, in addition to the effect of water fast, remaining less so. Dyes and additives can also be used as a filler to adjust the concentration of dyes and additives to make up to standard levels. Also be used as direct dyes, sulfur dyes, vat dyes in the dye-promoting agent when cotton, direct acid dyes in the dye animal fibers like silk and wool dye when the slow, refined silk fabrics are also used when printing the background protective agent. Kraft pulp for making paper industry when cooking agent. Pharmaceutical industry as a barium salt poisoning antidote. In addition, for the glass, the construction industry and so on.
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