L-lactic acid CAS 79-33-4 is a chemical substance with the molecular formula C3H6O3. It is an optical isomer of lactic acid, made from corn starch as raw material and refined through biological fermentation. It is a colorless and clear viscous liquid, and the aqueous solution exhibits acidic reactions. It can be freely mixed with water, ethanol, or ether and is insoluble in chloroform. Due to its left-handed nature, it has excellent biocompatibility and can blend with mammals. It can directly participate in human metabolism without any side effects and is widely used in fields such as food and medicine

Chinese name: L-lactic acid

Foreign name: L (+) – Active acid; (S) – (+) -2-Hydroxypropanoic acid; L (+) – Active acid solution; L-Lactic acid, free acid; Lactate standard 40 mg/dl; L (+) rectangular acid free acid sigmaulra

Nickname: L-anhydrous lactic acid Molecular formula C3H6O3

Boiling point: 125 ℃

Melting point: 52 to 54 ℃

Density: 1.206 g/cm ³

Purpose: Mainly used as an acidity and preservative in food, as well as in the production of drugs such as calcium lactate

CAS: 79-33-4

EINECS: 201-196-2

Purpose

1. Food industry: Mainly used in the food processing industry such as candy, beverages (such as beer, wine, and lactic acid beverages), as an acid and taste regulator, it is known as an absolutely safe food additive. It can also be used for the processing and preservation of cool beverages and vegetables;

2. Pharmaceutical industry: L-lactic acid is an important pharmaceutical intermediate that can be used for the production of erythromycin Ringer’s solution infusion, L-calcium lactate, L-sodium lactate, L-zinc lactate, L-ferrous lactate, and other drugs. It can also be used as a disinfectant in operating rooms, wards, laboratories, and other fields

3. Cosmetics: can be used as a moisturizer, moisturizer, skin renewal agent, pH regulator, acne remover, and dental scaler; 4. Pesticide industry: L-lactic acid has high biological activity, is non-toxic and harmless to crops and soil, and can be used to produce new environmentally friendly pesticides. It has been vigorously promoted in developed countries such as Japan and the United States.

5. Tobacco industry: Adding an appropriate amount of L-lactic acid can improve the quality of tobacco and maintain its humidity; Leather manufacturing industry: can make leather soft and delicate, thereby improving the quality of leather; Textile industry: can be used to process fibers, making them easy to color, increasing luster and softness to the touch;

6. Other industries: In addition to the above uses, L-lactic acid can also be used to produce biodegradable plastics – polylactic acid and green environmental solvents – L-methyl lactate, L-ethyl lactate, etc. Quality standard for heat-resistant, food grade L-lactic acid.(Refer to the US Pharmacopoeia USP23/25 and European EP2002 standards)

Packaging and storage and transportation

Medicinal reagents are bottled, edible lactic acid is packaged in plastic barrels, sealed for storage, and stored and transported according to general chemical regulations.

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