Lactic Acid

Lactic Acid is a versatile ingredient that is used in the food industry as well as in cosmetics and medicine. Its preservative, moisturizing and antibacterial properties make it indispensable in manufacturing.

Lactic Acid
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Technical aspects
Storage period
Packaging
Application
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Technical aspects

Lactic Acid is in the form of a thick, colorless liquid with a characteristic sour taste. It is obtained as a by-product of a process known as bacterial fermentation of sugar, corn starch or milk whey. In the human body, Lactic Acid occurs in the muscle cells and red blood cells when the body is exercising intensively.

Lactic Acid also plays an important role as a nutrient and central metabolite for many organisms. It is soluble in water, alcohol and propylene glycol. It has preservative and antibacterial properties. Lactic Acid also has properties that are used in the cosmetics industry – at concentrations between 1 and 10% it has moisturizing properties. In the 30-50% range, however, it has an exfoliating effect.

Physical and chemical properties Value
Description Transparent syrupy liquid, having an acid taste.
Color Colorless or slightly yellow
Smell Odorless or slightly characteristic odor
pH 1
Boiling Point 122°C (1.85-2.0 kPa, 100%)
Melting Point 53°C (100%)
Flammability Not flammable
Specific Gravity 1.20 – 1.21
Viscosity 0.0369 Pa·s (25°C, 86.6% water solution)
Solubility Miscible with water and alcohol
Metal Corrosion Low, 1.14 mm/year
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Storage period

The storage period of Lactic Acid is 3 years. The product should be stored in its original packaging or in sealed containers.

Packaging

Foodcom S.A. offers Lactic Acid in an IBC container.

Application

Lactic Acid is frequently used in the food industry. As E270, it is usually a preservative and acidity regulator. Among other things, it is used in baking to make bread sour and in dairy, where it accelerates the fermentation process of dairy products. Lactic Acid gives various products, such as pickles, salad dressings, yogurts and sweets, a distinctive, slightly sour taste.

Lactic Acid is also used in cosmetics – due to its moisturizing properties, it can be used as an ingredient in cosmetics that provide smooth, even skin. In medicine, Lactic Acid is used as a probiotic – a preparation involved in the restoration of the digestive tract.

In the chemical industry, Lactic Acid can be used in the production of other chemical compounds and as an ingredient in cleaning agents.

CAS
79-33-4
Stock
Available
MOQ
1 MT
Alternative names
E270, C3H6O3, lactate, milk acid, 2-hydroxypropanoic acid

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