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DL-Malic Acid
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| Chemical Name | DL-Malic Acid |
| Synonyms | 2-Hydroxybutanedioic Acid; Malic Acid; (+/-)-Malic Acid; 2-Hydroxyethane-1,2- |
| CAS Number | 6915-15-7 |
| Molecular Formula | C₄H₆O₅ |
| Appearance | White to Off-White Solid |
| Melting Point | 130-134°C |
| Molecular Weight | 134.09 |
| Storage | 4°C |
| Solubility | Aqueous Acid (Slightly), DMSO (Slightly), Methanol (Sparingly) |
| Category | Building Blocks; Chiral Molecules; |
| Applications | The naturally occuring isomer is the L-form which has been found in apples and many other fruits and plants. Selective a-amino protecting reagent for amino acid derivatives. Versatile synthon for the preparation of chiral compounds including ╬║-opioid receptor agonists, 1a,25-dihydroxyvitamin D3 analogue, and phoslactomycin B. |
DL-Malic Acid: Properties, Uses, and Safety Precautions
DL-Malic acid is a colorless crystalline solid with the chemical formula C4H6O5. It is a dicarboxylic acid that is commonly used in the food and beverage industry as a food additive. In this article, we will explore the properties, uses, and safety precautions of DL-malic acid.
Properties of DL-Malic Acid: DL-malic acid has the following properties:
- Molecular weight: 134.09 g/mol
- Melting point: 130-132°C (266-270°F)
- Solubility: Highly soluble in water, slightly soluble in ethanol
DL-malic acid is available in two forms: L-malic acid and D-malic acid. The L form is naturally occurring in fruits and vegetables, while the D form is synthetically produced.
Uses of DL-Malic Acid: DL-malic acid is commonly used in the food and beverage industry as a food additive. Some of its uses include:
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Flavor enhancer: DL-malic acid is used as a flavor enhancer in many food products, including candies, chewing gum, and fruit juices. It provides a sour taste and enhances the flavor of fruits.
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Acidulant: DL-malic acid is used as an acidulant in many food and beverage products, including carbonated drinks, wine, and pickles. It helps to balance the pH level and gives a tart taste.
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Preservative: DL-malic acid is used as a preservative in many food products, including canned fruits and vegetables. It helps to extend the shelf life of these products.
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Nutritional supplement: DL-malic acid is used as a nutritional supplement in sports drinks and energy drinks. It helps to reduce muscle fatigue and improve endurance.
Safety Precautions: DL-malic acid is generally considered safe to consume in moderate amounts. However, it is important to use it with proper safety precautions. DL-malic acid should not be inhaled, as it can cause irritation to the respiratory system. It should also be kept away from the eyes and skin, as it can cause irritation.
Excessive consumption of DL-malic acid can cause gastrointestinal problems, such as nausea, vomiting, and diarrhea. Individuals with kidney problems or a history of kidney stones should avoid consuming large amounts of DL-malic acid.
Conclusion: DL-malic acid is a versatile food additive that is used in many food and beverage products. It provides a sour taste and enhances the flavor of fruits, while also serving as an acidulant, preservative, and nutritional supplement. However, it is important to use DL-malic acid with proper safety precautions and to consume it in moderation to avoid potential health problems.