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L-Malic Acid
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Basic
Common Name L-(-)-Malic acid
CAS Number 97-67-6
Molecular Weight 134.087
Density 1.6±0.1 g/cm3
Boiling Point 306.4±27.0 °C at 760 mmHg
Molecular Formula C4H6O5
Melting Point 101-103 °C(lit.)
MSDS Chinese USA
Flash Point 153.4±20.2 °C
Symbol GHS07
Signal Word Warning
Physical Chemistry
Density 1.6±0.1 g/cm3
Boiling Point 306.4±27.0 °C at 760 mmHg
Melting Point 101-103 °C(lit.)
Molecular Formula C4H6O5
Molecular Weight 134.087
Flash Point 153.4±20.2 °C
Exact Mass 134.021530
PSA 94.83000
LogP -1.26
Vapour Pressure 0.0±1.5 mmHg at 25°C
Index of Refraction 1.529
Water Solubility soluble
Toxicity

N/A

Safety
Symbol GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS ON7175000
HS Code 2918199090
Preparation

N/A

FAQ

1.What is L-Malic Acid?

L-malic acid is the form that can be utilized by living organisms. It is a naturally occurring dicarboxylic acid, the source of the sweet and sour flavor of fruits, and is commonly used as a food additive. It is often formulated in compound amino acid injection (an important nutritional drug after surgery) to improve the utilization of amino acids, which is especially important for patients with post-operative weakness and liver dysfunction. Potassium L-malate is a good potassium supplement, which maintains the body's water balance and treats edema, L-malic acid is a good remedy for liver disease, especially hyperammonia due to liver dysfunction. Sodium L-malate has 1/3 of the salty taste of table salt and can be used as table salt substitute for kidney patients.

2.How is L-Malic Acid produced?

1. Apple juice or apple pomace is subjected to pretreatment process to remove impurities, kill microorganisms and destroy cell walls. 2. Load the pre-treated raw materials into the fermenter, add the appropriate amount of nutrients, adjust the pH value, etc., to provide the necessary conditions for the growth of microorganisms. 3. The fermenter is sealed, and the temperature, ventilation and other conditions are controlled so that the microorganisms grow and metabolize in a suitable environment to produce malic acid. 4. The fermentation broth is separated, filtered, concentrated and other processes to extract malic acid. Refinement, filtration, drying and other processes, the final The final product is malic acid with high purity and stable quality.

3.How is L-Malic Acid stored and distributed?

1. Food grade should be transported and stored according to food hygiene requirements. Avoid mixing and transporting, and load and unload lightly when handling to prevent damage to the package. 2. Precautions for safe operation: In places where dust is generated, provide suitable exhaust equipment. General fire protection measures. 3. Storage conditions:Keep sealed and keep away from light Temperature conditions:Room temperature 4. Moisture-proofing:To avoid the bag from breaking, to avoid its moisture and rain, so as to ensure that its properties will not change. To avoid unnecessary losses. 5. Anti-temperature: when under the influence of high temperature, performance, properties will be more or less affected, therefore, in the storage must avoid high temperature. 6. Fire prevention: When storing, pay special attention to fire prevention.

4.What is L-Malic Acid used for?

L-malic acid in the food, medicine, daily-use chemicals and other sectors of the use of the following: (1) food industry: used for processing and configuration of beverages, wine, juice, also used in the manufacture of sweets, jams, etc., and have antibacterial and antiseptic effect on food. It can also be used for PH adjustment of yogurt fermentation and removal of tartaric acid salt in wine brewing. (2) Tobacco industry: malic acid derivatives (such as esters) can improve the flavor of tobacco. (3) Pharmaceutical industry: a variety of tablets, syrups with malic acid can be fruit flavor, and is conducive to absorption and diffusion in the body. (4) Daily-use chemical industry: it is a good complexing agent, ester agent, used in toothpaste formulas, toothpaste tablets, synthetic spice formulas, etc. It can also be used as a component of deodorants and detergents.

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