苹果酸

详细说明

DL-Malic Acid (636-61-3)

Formula:                    C₄H₆O₅

M.W.:                          134.09

       Appearance:              White crystal powder or crystalline grains powder

       Specifications:       E296/FCC9

                     Assay (C₄H₆O₅:):                 99.0% - 100.5%

                     Specific Rotation:               -0.10 ~ +0.10

                     Melting Range:               127℃ – 132℃

                     Sulphated Ash:                 0.1% Max

                     Fumaric Acid:                      1.0% Max

                     Maleic Acid:                        0.05% Max

                     Water-insoluble Matter:       0.1% Max

                     Heavy Metals:            10ppm Max

                     Arsenic (as As):                2ppm Max

                     Lead:                           2ppm Max

                     Mercury:                      1ppm Max

                     Identification Test:           IR Absorption

       Package:  25KG net bag, 21MT/FCL

Uses:       Used as an acidulant in cool drinks, frozen foods (including sherbet and ice cream),processed foods. It is used as

                 color-keeper and antiseptic of juice and  emulsion stabilizer of egg yolk. DL-Malic acid also can be used as                                          pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in textile industry,                 

                 fluorescent whitening agent of polyester fiber.