Fatty Acid

Fatty acids are a group of carboxylic acids consisting of long aliphatic chains, which can be either saturated or unsaturated. They are typically derived from natural fats and oils through hydrolysis or saponification and appear as colorless to pale yellow liquids or solids depending on the chain length and degree of saturation. Fatty acids are fundamental building blocks in biochemistry and industrial chemistry, serving as raw materials in the manufacture of soaps, detergents, lubricants, cosmetics, plastics, and food additives. Their amphiphilic nature—containing both hydrophilic (carboxyl group) and hydrophobic (alkyl chain) components—makes them versatile for various chemical and industrial applications.

Description

Fatty Acid

Primary Uses 

  1. Soap and Detergent Industry

    • Serve as key raw materials in soap making through saponification with alkalis.
    • Used in production of synthetic detergents and surfactants due to their excellent emulsifying and cleaning properties.
  2. Cosmetics and Personal Care

    • Incorporated in creams, lotions, and hair care products as emollients, moisturizers, and conditioning agents.
    • Act as emulsifiers and stabilizers in formulations.
    • Provide texture, spreadability, and skin compatibility.
  3. Lubricants and Greases

    • Used in manufacturing metalworking lubricants, greases, and release agents.
    • Provide lubricity and corrosion protection in mechanical systems.
  4. Food Industry

    • Employed as food additives (e.g., emulsifiers, stabilizers).
    • Used in production of flavorings and preservatives.
    • Serve as precursors to edible fats and oils modification.
  5. Plastics and Polymers

    • Used as plasticizers and additives in polymer production.
    • Serve as raw materials in the synthesis of bioplastics and resins.
  6. Pharmaceuticals

    • Utilized as excipients in topical formulations and capsules.
    • Serve as intermediates for synthesis of medicinal compounds.

 

Secondary Uses 

  1. Textile Industry

    • Used as lubricants and softeners during fiber processing and finishing.
  2. Agriculture

    • Incorporated in pesticide formulations as adjuvants and wetting agents.
  3. Paints and Coatings

    • Used as additives to improve flow, drying properties, and surface finish.
  4. Rubber Industry

    • Serve as processing aids and vulcanization accelerators.
KEY ATTRIBUTES
  1. Basic Identification Attributes

    • Chemical Name (IUPAC): Fatty acids (general formula: R–COOH, where R is a hydrocarbon chain)
    • Common/Trade Name: Fatty Acid
    • CAS Number: Varies widely by specific fatty acid (e.g., Palmitic acid 57-10-3, Oleic acid 112-80-1)
    • HS Code: 3823.11.00 (for fatty acids and their salts and esters)
    • Molecular Formula: Variable (e.g., C16H32O2 for Palmitic acid)
    • Synonyms: Carboxylic acids, aliphatic acids
  2. Physical & Chemical Properties

    • Physical State: Liquid or solid (wax-like) depending on chain length and saturation
    • Color: Colorless to pale yellow
    • Odor: Characteristic mild to fatty odor
    • Melting Point: Varies from below 0°C (unsaturated fatty acids) to >60°C (saturated fatty acids)
    • Boiling Point: Typically >200°C (decomposes before boiling for longer chains)
    • Solubility: Insoluble in water; soluble in organic solvents and oils
    • pH: Acidic (due to carboxyl group)
    • Stability: Stable under normal conditions; prone to oxidation in presence of air/light (especially unsaturated types)
  3. Safety & Hazard Attributes

    • Hazard Class (GHS): Generally not hazardous; slight irritant to skin and eyes
    • Toxicity: Low acute toxicity; safe for use in food and cosmetics at regulated levels
    • Exposure Limits: No specific occupational exposure limits; use standard industrial hygiene practices
  4. Storage & Handling Attributes

    • Storage Conditions: Store in cool, dry, well-ventilated area, away from direct sunlight and sources of ignition
    • Container Type: Steel drums, plastic containers, or bulk tanks
    • Shelf Life: Typically 12–24 months depending on storage and antioxidant presence
    • Handling Precautions: Avoid prolonged skin contact and inhalation of vapors or aerosols
  5. Regulatory & Compliance Attributes

    • FDA Status: Generally recognized as safe (GRAS) when used in food and cosmetics
    • REACH Registration: Registered under EU chemical regulations for industrial and consumer uses
    • Compliance: Meets applicable standards for food, pharmaceutical, and cosmetic grade fatty acids
  6. Environmental & Health Impact

    • Biodegradability: Readily biodegradable under aerobic conditions
    • Ecotoxicity: Low aquatic toxicity at normal use concentrations
    • Bioaccumulation: Not expected to bioaccumulate
    • Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • Personal Protective Equipment (PPE):

    • Protective gloves (nitrile or latex)
    • Safety goggles or face shield
    • Protective clothing if handling in bulk or molten form
    • Respiratory protection if aerosols or vapors are generated
  • Handling Guidelines:

    • Use in well-ventilated areas
    • Avoid inhalation of vapors or aerosols and prolonged skin contact
    • Prevent contamination of food or feed materials when used in industrial settings
  • Storage Measures:

    • Keep containers tightly closed when not in use
    • Store away from strong oxidizers, acids, and bases
    • Protect from moisture and excessive heat
  • Hygiene Practices:

    • Wash hands after handling
    • Avoid eating, drinking, or smoking in handling areas
    • Clean equipment and surfaces regularly

 

First Aid Measures

  • Inhalation:

    • Move to fresh air; seek medical attention if respiratory irritation occurs
  • Skin Contact:

    • Wash affected area with soap and water; remove contaminated clothing; seek medical attention if irritation persists
  • Eye Contact:

    • Rinse eyes with plenty of water for at least 15 minutes; seek medical advice if irritation continues
  • Ingestion:

    • Rinse mouth; do not induce vomiting; seek medical attention if large quantities ingested

 

Firefighting Measures

  • Fire Hazards:

    • Combustible; can burn with a yellow smoky flame producing carbon monoxide and dioxide
  • Extinguishing Media:

    • Use foam, dry chemical, carbon dioxide (CO₂), or water spray
  • Special Precautions:

    • Firefighters should wear self-contained breathing apparatus and protective clothing
  • Decomposition Products:

    • Carbon monoxide, carbon dioxide, and potentially irritating fumes