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Product Name: Dl-malic acid
CAS NO.:617-48-1
H.S Code: 2918199090
Molecular weight: 134.09
Appearance: white or colorless crystalline powder, odorless and soluble in water.
Specification: FCC IV
Parameters
|
Specification
|
Testing result
|
Assay
|
99.0-100.5%
|
99.2%
|
Melting Point
|
127 C-132 C
|
128.9 C
|
Fumaric Acid
|
1.0% max
|
0.75%
|
maleic acid
|
0.05% max
|
0.03%
|
Water Insolubles
|
0.1% max
|
0.02%
|
Sulphated Ash
|
0.1% max
|
0.04%
|
Heavy Metals(as Pb)
|
10ppm max
|
8ppm
|
Arsenic (As)
|
2ppm max
|
1.5ppm
|
Chlorides (Cl)
|
100ppm max
|
100ppm max
|
Colour 10% Solution APHA
|
10 max
|
10 max
|
Specific Rotation
|
-0.1--+0.1
|
0
|
Package: 25kg net in composite paper-plastic bag.
Application: used as an acidulant in cool drinks, frozen foods, processed foods; used as color-keeper and antiseptic of juice and as emulsion stabilizer of egg yolk. DL-Malic acid can also be used as pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in textile industry, fluorescent whitening agent of polyester fibre.