... Characteristics: white crystalline powder, odourless 1).Product Name: Citric Acid AnhydrousUsage:Citric Acid is mainly used as acidulant, flavouring agent, preservative ... -closed, dry and cool place.2)..Product Name: Citric Acid MonohydrateUsage:1. In the food industry, it is ... ammonium citrate (blood tonic), sodium citrate (blood transfusion agent) and so on. Moreover, citric acid is also used as the ...