CAS NO.:

6915-15-7

Structural Formula:

Chemical Name:

DL-hydroxy butanedioic acid

Chemical Formula:

C₄H₆O₅

Molecular Weight:

134.09

 SPECIFICATIONS (FCCIV,1996)

Item

Specification

Appearance

White or nearly white, crystalline powder or granules having a strong acid taste.

Assay(as C₄H₆O₅)

99.0%~100.5%

Specific Rotation 

-0.10~ +0.10

Heavy Metals (as Pb)

10 ppm Max

Residue on Ignition

0.1%Max

Fumaric Acid

1.0%Max

Maleic Acid

0.05%Max

Water-insoluble Matter

0.1%Max

Arsenic(as As₂O₃)

4.0mg/kg Max

Usage

DL-Malic acid can be used as an acidulant in cool drinks (including lactobacillus drinks, milk drinks, carbonated drinks, cola), frozen foods (including sherbet and ice cream),processed foods (including wine and mayonnaise). It is used as color-keeper and antiseptic of juice. It is also used as 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 fibre.

Packing

25KG net in Kraft/Plastic Bag lined with PE bag, 17MT/20FCL(on pallet) or 19MT/20FCL(without pallet).

Storage

Kept airtightly in a light-proof, dry and cool place.