Product Name: DL-Malic Acid
CAS: 617-48-1
Molecular Formula: C4H6O5
Molecular weight: 134.09
Package: 25KG/Bag
Application: DL-Malic acid can be used as an acidulant in cool drings(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 emusion stabilizer of egg yolk, DL-Malic acid also can be used as pharmaceutical intermediate, cosmetic, rinse, metal cleaner, buffering agent, retarder in texile industry, fluorescent whitening agent of polyester fiber.
Specification:
Item |
Standard |
Test results |
ASSAY |
Min 99.0 |
99.25 |
FUMARIC ACID |
Max 1.0 |
0.82 |
MALEIC ACID |
Max 0.05 |
0.03 |
WATER INSOLUBLES |
Max 0.1 |
0.02 |
RESIDUE ON IGNITION |
Max 0.1 |
0.03 |
HEAVY METALS PPM |
Max 10 |
Max 10 |
ARSENIC PPM |
Max 2 |
Max 2 |
CHLORIDE PPM |
Max 100 |
Max 100 |
MELTING POINT (℃) |
Min 127.0 |
129.3 |
SPECIFIC ROTATION |
–0.1 -- +0.1 |
0 |
Product Name: L-Malic Acid
CAS No.: 97-67-6
Molecular Formula: C4H6O5
Packaging: 25kgs/bag/carton/drum
Application: It is an ideal additive in foodstuff and is widely distributed in vegetable and fruit. It is used as an acid for acid drink, wine, fruit juice, soda water and various soft drinking, also as a color stabilizer and adjuster of acidity for fruit processing.
Specification
Item |
Specification |
Result |
Appearance |
White crystal powders |
White crystal |
Assay(as C4H6O5)% |
≥99.0 |
99.4 |
Specific Rotation [α]D20℃ |
-1.6~-2.6 |
-1.96 |
Sulfate[SO4] % |
≤0.02 |
<0.02 |
Chloride[Cl] % |
≤0.004 |
<0.002 |
Arsenic (as As2O3) mg/kg |
≤2.0 |
<2.0 |
Heavy Metal(Pb) mg/kg |
≤10 |
<10 |
Lead (Pb) mg/kg |
≤2 |
<2 |
Fumaric Acid % |
≤0.1 |
0.04 |
Maleic Acid % |
≤0.05 |
0.01 |
State of Solution |
PASS |
PASS |
Residue on Ignition % |
≤0.10 |
0.03 |