| Customization: | Available |
|---|---|
| CAS No.: | 97-67-6 |
| Formula: | C4h6o5 |
|
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L-malic acid is an organic compound, white or colorless powder. Refractory to water. The molecular formula is C4H6O5, which is a naturally occurring dicarboxylic acid, the source of the sweet and sour taste of fruits, and is often used as a food additive.
L-Malic acid is used in food, medicine, daily chemical industry and other departments as follows:
(1) Food industry: used for processing and preparing beverages, wine, fruit juice, and also for the manufacture of candy, jam, etc., and has no inhibitory effect on food. Bacterial antiseptic effect. It can also be used for PH adjustment of yoghurt fermentation, removal of tartrate in wine brewing, etc.
(2) Tobacco industry: malic acid derivatives (such as esters) can improve the flavor of tobacco.
(3) Pharmaceutical industry: Various tablets and syrups mixed with malic acid can have a fruity flavor and are conducive to absorption and diffusion in the body.
(4) Daily chemical industry: It is a good complexing agent and ester agent, used in toothpaste formulations, teeth cleaning tablets, synthetic fragrance formulations, etc., and can also be used as an ingredient in deodorants and detergents.
| Product Name: | L-(-)-Malic Acid |
| Synonyms: | L-(-)-Malic acid, CP;Butanedioic acid, 2-hydroxy-, (2S)-;pinguosuan;Butanedioicacid,hydroxy-,(S)-;hydroxy-,(S)-Butanedioicacid;l-(ii)-malicacid;L-Gydroxybutanedioicacid;L-Mailcacid |
| CAS: | 97-67-6 |
| MF: | C4H6O5 |
| MW: | 134.09 |
| EINECS: | 202-601-5 |
| Product Categories: | Plant extracts;Aliphatics;MalicAcidSeries;Carboxylic Acids (Chiral);Chiral chemicals;Chiral Reagents;Food & Feed ADDITIVES;Chiral Building Blocks;for Resolution of Bases;Optical Resolution;Synthetic Organic Chemistry;Food additive and acidulant;Imidazoles ,Heterocyclic Acids |
| Mol File: | 97-67-6.mol |
|
Testing Items |
Specifications |
Results |
|
Appearance |
White crystals or crystalline powder |
crystalline powder |
|
Order |
Special sourness |
Special sourness |
|
Assay |
≥99.0 |
99.3 |
|
Specific rotation |
-1.6~2.6 |
-1.7 |
|
Burning residue |
NMT 01.0 |
0.07 |
|
Clarification |
Pass the test |
Pass |
|
Sulfate |
NMT 0.02 |
<0.02 |
|
Chloride |
NMT 0.004 |
<0.004 |
|
Fumaric acid |
NMT 0.5 |
0.03 |
|
Maleic acid |
NMT 0.05 |
0 |
|
Heavy metal(Pb) |
NMT 10.0 |
<10.0 |
|
Pb |
NMT 2.0 |
<2.0 |
|
As |
NMT 2.0 |
<2.0 |
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