Product Introduction
Malic acid, also known as 2 - hydroxy succinic acid, has two stereoisomers due to the presence of an asymmetric carbon atom in the molecule. There are three forms in nature, namely D malic acid, L malic acid and its mixture DL malic acid. White crystalline or crystalline powder with strong moisture absorption, easily soluble in water and ethanol.
Application
Malic acid contains natural moisturizing ingredients that can remove wrinkles on the surface of the skin, making it tender, white, smooth, and elastic. Therefore, it is highly favored in cosmetic formulas;
Malic acid can be used to prepare a variety of essence and spices for a variety of daily chemical products, such as toothpaste, shampoo, etc; It is used abroad as a new type of detergent additive to replace citric acid and to synthesize high-end special detergents.
Certificate Of Analysis
|
Product Name |
Malic Acid |
Specification |
Company Standard |
|
Cas No. |
97-67-6 |
Manufacture Date |
2024.9.8 |
|
Quantity |
500KG |
Analysis Date |
2024.9.14 |
|
Batch No. |
ES-240908 |
Expiry Date |
2026.9.7 |
|
Items |
Specifications |
Results |
|
|
Appearance |
White Crystalline Powder |
Conforms |
|
|
Assay |
99.0%-100.5% |
99.6% |
|
|
Odor & Taste |
Characteristic |
Conforms |
|
|
Identification |
Positive |
Conforms |
|
|
Specific Rotation(25℃) |
-0.1 to +0.1 |
0 |
|
|
Ignition residue |
≤0.1% |
0.06% |
|
|
Fumaric acid |
≤1.0% |
0.52% |
|
|
Maleic acid |
≤0.05% |
0.03% |
|
|
Water Insoluble |
≤0.1% |
0.006% |
|
|
Heavy Metals |
≤10.0ppm |
Conforms |
|
|
Pb |
≤1.0 ppm |
Conforms |
|
|
As |
≤1.0 ppm |
Conforms |
|
|
Cd |
≤1.0 ppm |
Conforms |
|
|
Hg |
≤0.1 ppm |
Conforms |
|
|
Total Plate Count |
≤1000cfu/g |
Conforms |
|
|
Yeast & Mold |
≤100cfu/g |
Conforms |
|
|
E.coli |
Negative |
Negative |
|
|
Salmonella |
Negative |
Negative |
|
|
Staphylococcus |
Negative |
Negative |
|
|
Conclusion |
This sample meets the specifications. | ||
Inspection personnel：Yan Li Review personnel：Lifen Zhang Authorized personnel：LeiLiu
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