Malic acid | Solubility of Things (2025)

Solubility of 2-hydroxypropanedioic acid (C₄H₆O₅)

2-hydroxypropanedioic acid, commonly known as **malic acid**, exhibits notable solubility characteristics that are integral to its application and usefulness in various fields. Here are key points regarding its solubility:

• Solubility in Water: Malic acid is quite soluble in water, with a solubility of approximately **120 g/L** at room temperature. This high solubility is attributed to its two carboxylic acid groups, which can form hydrogen bonds with water molecules.
• Solubility in Organic Solvents: In addition to its water solubility, malic acid is also soluble in some polar organic solvents, although it shows limited solubility in non-polar solvents like hexane.
• pH Dependence: The solubility of malic acid can be affected by pH levels. As a diprotic acid, it can donate protons, further influencing its ionic state and thereby impacting its solubility.
• Practical Implications: This solubility allows malic acid to be effectively used in food and beverage industries, as its aqueous solubility facilitates its incorporation into various formulations.

Overall, the solubility of 2-hydroxypropanedioic acid in water and some organic solvents makes it a valuable compound in both industrial and laboratory settings.

Interesting Facts about 2-Hydroxypropanedioic Acid

2-Hydroxypropanedioic acid, more commonly known as malic acid, is a fascinating compound with a range of applications in various fields. Here are some notable points about this intriguing acid:

• Natural Occurrence: Malic acid is naturally found in fruits, particularly in apples, giving them their characteristic tartness. In fact, the name "malic" is derived from the Latin word "malum," meaning apple.
• Biochemical Role: It plays a crucial role in the Krebs cycle, a key metabolic pathway that is vital for energy production in living organisms. Malic acid contributes to the formation of ATP, which is essential for cellular energy.
• Food Industry: Due to its sour flavor, malic acid is widely used as a food additive to enhance the taste of candies, beverages, and other products. It acts as a natural preservative and flavoring agent.
• Health Benefits: Some studies suggest that malic acid may improve exercise performance and reduce muscle fatigue. It is often marketed in supplements aimed at increasing energy levels.
• Cosmetic Applications: In skincare, malic acid is utilized for its exfoliating properties, helping to slough off dead skin cells and promote a smoother complexion. It is beneficial for maintaining skin hydration and promoting cell renewal.

In summary, 2-hydroxypropanedioic acid is not just a simple organic molecule but rather a compound with significant importance across different domains, including nutrition, health, and cosmetics. Its versatility showcases the intricate connections between chemistry and everyday life.

Tartronic acid

80-69-3

2-Hydroxymalonic acid

Hydroxymalonic acid

2-Hydroxypropanedioic acid

Propanedioic acid, hydroxy-

2-Tartronic acid

hydroxypropanedioic acid

2-hydroxymalonate

MALONIC ACID, HYDROXY-

CHEBI:16513

hydroxy-malonic acid

Tartronicacid

Tartronic acid, 8CI

UNII-34T0025E0L

EINECS 201-301-1

NSC 36171

NSC-36171

34T0025E0L

TARTRONIC ACID [MI]

CHEMBL1794676

DTXSID6075358

.ALPHA.-HYDROXYMALONIC ACID

C3H4O5

MFCD00004237

2-Tartronate

2-Hydroxymalonicacid

4m6u

alpha-hydroxymalonic acid

HydroxymalonsA currencyure

Triadimenol metabolite P06

hydron;2-hydroxypropanedioate

SCHEMBL15060

Tartronic acid, >=97.0%

DTXCID2048167

Propanedioic acid, hydroxy-(9CI)

NSC36171

Propanedioic acid, hydroxy- (9CI)

BDBM50038354

AKOS001115605

CS-W013581

AS-14777

NS00038080

EN300-18772

C02287

H10518

Q425473

Z90123595

F3F5D7E2-8FF8-4206-8F30-077B0F85979B

201-301-1