Colorless translucent crystal or white particles, or white crystalline powder, often with part of the crystal water, no smell, taste very acid, soluble in water, alcohol and ether. The calcium salt in cold water than in hot water soluble, this property is often used for identification and separation of citric acid. Crystallization control suitable temperature can get anhydrous citric acid. Acidic water solution. In dry air is slightly weathered, in the humid air deliquescence sex. 175degrees above the water and carbon dioxide into liberation.
Used as experimental reagents, chromatography reagents, biochemical reagents, is also used in buffer solution. Used in the food industry especially as acidifying agent, PH buffers, and other compounds together as a preserving agent. In detergent industry, it is an ideal substitute for phosphate. Chemical cleaning of boiler acid cleaning agent, boiler chemical cleaning and bleaching agent. Mainly used as a food sour agent, also used for the preparation of pharmaceutical cooling agent, detergent.
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Citric acid