Citric acid monohydrate food grade CAS 77-92-9 China supplier

Citric AcidCitric Acid (CA), molecular formula C 7H. O₇, is an important organic acid. It is a colorless crystal, odourless, has a strong acidic taste, is soluble in water, and is a natural preservative and food additive.Citric Acid is soluble in water with a solubility of 59% at 20 ° C and a pH of 2.1 in 2% aqueous solution. The morphology of citric acid is different due to different crystallization conditions. It has weathering property in dry air and hygroscopicity in wet air. It can be decompose into a variety of products by heating, and can react with acid, alkali, glycerol, etc.
Citric acid (CA)Citric acid (CA), also known as citric acid, molecular formula C 7H. O₇, is an important organic acid. It is a colorless crystal, odourless, has a strong acidic taste, is soluble in water, and is a natural preservative and food additive. Citric acid - food industryIt is mainly used in carbonated drinks, fruit juice drinks, lactic acid drinks and other cool drinks and pickled products. Its demand is subject to the change of seasonal climate. Citric acid accounts for about two thirds of the total consumption of the acidity agent. The addition of citric acid in canned fruit can maintain or improve the flavor of fruit, increase the acidity of certain low-acidity fruit cans (reduce the pH value), reduce the heat resistance of microorganisms and inhibit their growth, and prevent the bacterial bloating and damage that often occur in canned fruit with low acidity. Citric acid -Metal cleaningThe raw materials for citric acid preparation are derived from grain, which is a safe food grade microorganism. The use of citric acid will not have an impact on the environment, and it is easy to be degraded under the action of microorganisms and heat, etc., and its chelating ability is also relatively strong. Especially, citrate salt has a relatively strong chelating ability for manganese ions and iron ions, etc., and the use effect is also outstanding. Citric acid -Fine chemicalCitric acid can be used as formaldehyde-free dyeing and finishing agent. Triethanolamine can prevent citric acid from decompose and dehydrate into unsaturated polycarboxylic acid in the process of fabric baking, thus effectively inhibiting the yellowing phenomenon of fabric. Acetylated and butylated citrate ester can be used as foaming agent for methyl methacrylate polymers, stabilizer for acrylamide, initiator for polyamide adhesives, plasticizer for polyvinyl chloride, etc. Citric acid-concrete
Citric acid has obvious retarding effect when used in concrete, and the content of citric acid in concrete is usually 0.03%~0.10%. When the content of concrete is 0.05%, the strength of concrete for 28 days is still improved, and the strength will be weakened if the content continues to increase. The air content of concrete was slightly changed by adding citric acid, and the frost resistance of concrete was also improved.

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