Description:
This product is a white crystal without smell.It has citric acid flavour.It is stable in dry air.1g of this product is soluble in about 3ml of water, 30ml of alcohol , 50ml of absolute ethyl alcohol  ,100ml of glycerin and 20ml of propylene glycol.It is insoluble in ether, chloroform, benzene, petroleum ether ,oil and fat.The melting point is 190～192℃.It is used in standard reagent in arsenic ,iron, phosphorus and iodic detection.It is used in chromatographic reagent, food antioxygen,masking agent and reductant etc.This product should be sealed in a shaded and dry place protecting from light and metal.