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Lactic Acid CAS 50-21-5 Powder Granular

Lactic Acid (CAS 50-21-5) is a widely used organic acid available in powder and granular forms, a key raw material for multiple industrial and commercial sectors with reliable quality and compliant specifications. This product has completed REACH registration, and visitors can find MSDS download access for detailed safety information at the relevant section of the page.

Common Aliases of Lactic Acid

2-Hydroxypropanoic acid; Milk acid; L(+)-Lactic acid; D(-)-Lactic acid; DL-Lactic acid

The molecular formula of Lactic Acid is C₃H₆O₃, and its CAS 50-21-5 is the universal identification code recognized in the global chemical trade, ensuring accurate product matching for international procurement.

Product Properties and Physical Characteristics

Lactic Acid (CAS 50-21-5) in powder and granular forms features stable physical properties with no volatile odors; it is soluble in water, ethanol and glycerol, insoluble in chloroform and benzene. It has a mild acidic property, good hygroscopy and compatibility with most organic and inorganic materials, and the granular form has excellent flowability, easy to store and transport without clumping under normal storage conditions. The powder form has high purity and rapid dissolution, suitable for formulations requiring fine particle size. This product has a melting point of 18℃ (anhydrous) and a boiling point of 122℃ (1.8 kPa), with stable chemical properties under normal temperature and pressure, no decomposition, and non-flammable, non-explosive characteristics.

Key Product Specification (Food Grade - Most Commonly Used Grade)

Main Applications of Lactic Acid

Lactic Acid (CAS 50-21-5) is a multi-purpose organic acid with extensive applications across core industries, with powder and granular forms being preferred for their ease of handling and formulation:

Food and Beverage Industry: Used as a food acidulant, preservative and flavor enhancer, added to dairy products, beverages, baked goods and meat products to adjust acidity, extend shelf life and improve taste; it is also a key raw material for food-grade emulsifiers and stabilizers.

Cosmetics and Personal Care Industry: Serves as a humectant, exfoliant and pH adjuster in skin care, hair care and oral care products, promoting skin metabolism, maintaining skin moisture and improving product texture and stability.

Pharmaceutical Industry: Used as a pharmaceutical excipient for the preparation of oral liquids, injections and topical preparations, adjusting the pH of pharmaceutical formulations, and also as a raw material for some pharmaceutical intermediates and biodegradable medical materials.

Chemical and Industrial Industry: A key monomer for the synthesis of polylactic acid (PLA), a biodegradable plastic; it is also used in water treatment as a scale inhibitor and corrosion inhibitor, and in the textile industry for fabric dyeing and finishing to improve color fastness.

Feed Industry: Used as a feed acidulant to lower feed pH, inhibit the growth of harmful microorganisms, improve animal intestinal health and increase feed utilization rate.

FAQ

1. What storage conditions are required for Lactic Acid powder and granular forms?

Lactic Acid powder and granular products need to be stored in a cool, dry and ventilated warehouse, away from direct sunlight, high temperature and humidity, and isolated from alkaline substances and oxidants. The recommended storage temperature is 5~25℃, and the shelf life is 24 months under the above storage conditions.

2. Is Lactic Acid (CAS 50-21-5) compatible with other common food additives?

Yes, Lactic Acid has good compatibility with most common food additives such as sweeteners, thickeners, preservatives and colorants, and can be used in combination in food formulation without chemical reaction or quality change under normal processing conditions.

3. How to obtain the MSDS download file for Lactic Acid and is it updated regularly?

The MSDS download file is available on the product page, and the file is updated in accordance with the latest international safety standards and product specification adjustments, including detailed information on product composition, hazards, safe operation, emergency treatment and disposal methods. The REACH registration related information is also attached in the relevant appendix of the MSDS file.

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