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Lactic Acid
Lactic Acid is a colorless to pale yellow, viscous liquid with a mild acidic odor. It is an organic acid naturally produced by fermentation and widely used in industrial, pharmaceutical, cosmetic, and food applications. The 80% concentration provides a balance of potency and ease of handling, making it suitable for pH adjustment, preservation, and chemical synthesis. Lactic acid is biodegradable, non-toxic, and valued for its multifunctionality including antimicrobial properties and chelation abilities.
Lactic Acid
Primary Uses
- Food & Beverage Industry
- Used as a food acidulant and preservative to regulate acidity and enhance flavor in dairy products, beverages, sauces, and pickled foods.
- Acts as a fermentation aid and pH regulator in yogurt, cheese, and sourdough production.
- Pharmaceutical and Cosmetic Industry
- Employed as an active ingredient in skin care formulations for exfoliation, moisturizing, and pH balancing.
- Used in topical creams, lotions, and chemical peels for its keratolytic and humectant properties.
- Acts as a preservative and pH adjuster in pharmaceutical syrups and ointments.
- Industrial Applications
- Serves as a pH regulator and buffering agent in textile processing, leather tanning, and cleaning formulations.
- Used in biodegradable polymer production (e.g., polylactic acid) for environmentally friendly plastics and packaging.
- Functions as a chelating agent and descaling chemical in cleaning and metal treatment processes.
- Agriculture
- Used as a biocide and preservative in animal feed to inhibit microbial growth and spoilage.
Secondary Uses
- Water Treatment
- Applied as a biodegradable acidulant and pH regulator in water treatment plants to control alkalinity.
- Chemical Synthesis
- Used as a building block in the synthesis of various chemicals including solvents, biodegradable polymers, and pharmaceuticals.
- Cleaning Products
- Included in eco-friendly cleaning agents for its acidity and antimicrobial effects, useful in food processing and household cleaners.
- Textile Industry
- Acts as a mordant and pH adjuster in dyeing and finishing processes.
1. Basic Identification Attributes
- Chemical Name (IUPAC): 2-Hydroxypropanoic acid
- Common/Trade Name: Lactic Acid 80%
- CAS Number: 50-21-5
- HS Code: 2918.14.00
- Synonyms: Alpha-hydroxypropionic acid; Milk acid; 2-Hydroxypropionic acid
2. Physical & Chemical Properties
- Physical State: Viscous liquid
- Color & Odor: Colorless to pale yellow; mild acidic odor
- pH (80% solution): Approximately 2.0
- Density: ~1.21 g/cm³
- Solubility: Miscible with water and alcohols
- Boiling Point: 122 °C (decomposes)
3. Safety & Hazard Attributes
- GHS Classification: Skin corrosion/irritation (Category 2), Serious eye damage/eye irritation (Category 1)
- Toxicity: Low toxicity but corrosive at high concentrations
- Exposure Limits: No established occupational exposure limits; avoid inhalation and skin contact
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry, well-ventilated area away from incompatible substances like strong oxidizers and bases
- Container Type: Supplied in corrosion-resistant containers such as plastic drums or lined steel drums
- Shelf Life: Typically 1-2 years if stored properly
- Handling Precautions: Use appropriate PPE including gloves, goggles, and acid-resistant clothing; avoid inhalation and contact
5. Regulatory & Compliance Attributes
- Approved for food, cosmetic, and pharmaceutical applications by FDA, EFSA, and other regulatory bodies
- Complies with REACH and other chemical safety regulations
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable
- Ecotoxicity: Low toxicity to aquatic organisms at typical use concentrations
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified
Safety Handling Precautions
- PPE Required: Acid-resistant gloves, safety goggles, face shield, protective clothing
- Handling Guidelines: Use in well-ventilated areas; avoid skin and eye contact
- Storage Measures: Keep containers tightly closed and stored away from incompatible chemicals
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if symptoms develop
- Skin Contact: Rinse thoroughly with water for at least 15 minutes; remove contaminated clothing; seek medical advice if irritation persists
- Eye Contact: Flush eyes immediately with plenty of water for at least 15 minutes; seek urgent medical attention
- Ingestion: Do not induce vomiting; rinse mouth and seek medical attention immediately
Firefighting Measures
- Fire Hazards: Combustible; emits toxic fumes of carbon oxides when heated to decomposition
- Extinguishing Media: Use water spray, foam, dry chemical, or CO2 extinguishers
- Special Precautions: Wear full protective gear and self-contained breathing apparatus during firefighting
- Hazardous Combustion Products: Carbon monoxide, carbon dioxide, and lactic acid vapors
Related products
Citric Acid Anhydrous
Citric Acid Anhydrous is a white, crystalline organic acid widely used across food, pharmaceutical, cosmetic, and industrial sectors. It is the anhydrous form of citric acid, meaning it contains no water molecules in its crystal lattice, resulting in higher purity and more concentrated acidic properties compared to its monohydrate form. Derived from natural sources like citrus fruits or produced via microbial fermentation, citric acid anhydrous is valued for its sour taste, excellent chelating ability, and buffering capacity. It serves as a natural preservative, pH adjuster, antioxidant synergist, and cleaning agent, making it a versatile ingredient in many formulations.
Deionized Water
Deionized Water (DI Water), also known as demineralized water, is highly purified water that has had almost all of its mineral ions (such as sodium, calcium, iron, copper, chloride, and sulfate) removed through ion exchange, reverse osmosis, or other purification methods. It is a clear, colorless, odorless liquid with extremely low electrical conductivity and is considered chemically pure. Deionized water is used in applications where water purity is critical, including pharmaceuticals, electronics, cosmetics, laboratory use, and various industrial processes. Its lack of minerals makes it highly reactive with contaminants, which makes it both useful and sensitive in technical applications.
Disodium Hydrogen Phosphate Dihydrate
Disodium Hydrogen Phosphate Dihydrate is the hydrated form of disodium hydrogen phosphate, a white crystalline powder commonly used as a buffering agent, emulsifier, and sequestrant. The dihydrate form contains two water molecules per formula unit, which affects its physical properties such as melting point and solubility. It is widely applied in food, pharmaceutical, water treatment, and industrial processes to maintain pH stability, improve texture, and supply essential sodium and phosphate ions.
Disodium Phosphate
Disodium Phosphate, also known as sodium phosphate dibasic, is an inorganic compound widely used for its buffering, emulsifying, and chelating properties. It commonly appears as a white, odorless crystalline powder or granules that are highly soluble in water and alkaline in nature. Disodium Phosphate plays a vital role in regulating pH, improving stability in formulations, and providing essential sodium and phosphate ions. It finds extensive use across food processing, pharmaceuticals, water treatment, agriculture, and industrial applications.
Loperamide HCL
Loperamide HCL is a synthetic opioid-receptor agonist used primarily as an antidiarrheal medication. It acts on the µ-opioid receptors in the intestinal wall to decrease gut motility, prolonging transit time and allowing increased absorption of fluids and electrolytes. Loperamide HCL is widely used in pharmaceutical formulations to treat acute and chronic diarrhea, including travelers’ diarrhea and diarrhea associated with inflammatory bowel disease. It is a white to off-white crystalline powder, highly soluble in water and commonly supplied in pharmaceutical grade for oral dosage forms.
Potassium Citrate
Potassium Citrate is a potassium salt of citric acid, appearing as a white, crystalline, water-soluble powder. It is widely used in food, pharmaceutical, agricultural, and industrial applications due to its buffering, alkalizing, and sequestrant properties. Potassium Citrate helps regulate acidity and provides potassium ions critical for various biochemical and physiological functions.
Sulphamethoxazole BP micronised
Sulphamethoxazole BP Micronised is a fine, micronized form of sulphamethoxazole, a synthetic sulfonamide antibiotic used extensively in human and veterinary medicine. Micronization improves its dissolution rate and bioavailability, enhancing efficacy in oral and injectable formulations. This British Pharmacopoeia (BP) grade product ensures high purity and consistent particle size, making it ideal for pharmaceutical manufacturing.
