CAS 77-92-9 Food Grade Citric Acid Anhydrous/Citric Acid Monohydrate

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MF: C6H8O7
MW: 192.12
CAS: 77-92-9

1.Anhydrous citric acid is a natural component and an intermediate product of physiological metabolism in animals and plants. It is also one of the most widely used organic acids in food, medicine, chemical industry and other fields. It is colorless transparent chemical book or translucent crystal, or granular, particulate powder, odorless, although there is a strong sour taste, but pleasant, slightly astringent. Gradually weathered in warm air, slightly deliquescent in humid air.

2.Citric acid is widely distributed in nature, and exists in fruits of plants such as lemon, citrus, pineapple, currant, raspberry, grape juice and animal bones, muscles and blood. Synthetic citric acid is produced by fermentation of sugary substances such as chemicalbook granulated sugar, molasses, starch and grapes, which can be divided into anhydrous and hydrate. Pure citric acid is colorless transparent crystal or white powder, odorless, and has an attractive sour taste.

3.Anhydrous citric acid is known as the first edible sour agent, and GB2760-1996 stipulates that it is allowed to be used as an acidity regulator for food. In the food industry, it is widely used as sour agent, solubilizer, buffer, antioxidant, deodorizer, chelator, etc. its specific uses are numerous.


1.It is mainly used as a sour agent for food, and also used to prepare pharmaceutical coolants, detergent additives, etc.
2.It is used as experimental reagent, chromatographic reagent and biochemical reagent, and also for the preparation of buffer solution. It is used in the food industry, especially as an acidifier, pH buffer, and as a preservative together with other compounds.
3.It is widely used as sour agent and drug additive in food and beverage. It can also be used as raw materials and additives for cosmetics, metal cleaning agents, mordants, non-toxic plasticizers and boiler antiscale agents. Its main salt products include sodium citrate, calcium and ammonium salts. Sodium citrate is a blood anticoagulant, and ammonium ferric citrate can be used as a blood tonic drug.

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