Acrylic Acid (AA) [MC-RM-AC-003]

Acrylic Acid (AA) [MC-RM-AC-003]

Product Description

Acrylic Acid (AA) is an important organic chemical compound with the chemical formula C₃H₄O₂ and a molecular weight of 72.06 g/mol. It is a colorless liquid with an acrid odor and is widely used in the chemical industry, particularly in polymer synthesis, coatings, water treatment, fertilizers, and pharmaceuticals. Below is a detailed explanation of Acrylic Acid (AA):

Basic Information:
  • Chemical Formula: C₃H₄O₂
  • Molecular Weight: 72.06 g/mol
  • Appearance: Colorless liquid with a pungent odor.
  • Boiling Point: Approximately 141°C.
  • Melting Point: Approximately 13°C.
  • Solubility: Acrylic acid is highly soluble in water and most organic solvents, such as alcohols, ethers, and ketones.
Chemical Properties:
  • Acidic Nature: Acrylic acid is a strong acid, and its aqueous solution is acidic. It can react with alkalis to form salts, such as sodium acrylate (NaAA) when reacted with sodium hydroxide.
  • Polymerization Ability: Acrylic acid has strong polymerization potential. It can undergo free radical polymerization to form various polymers, such as polyacrylic acid (PAA), acrylate esters, and polyacrylate salts, which are widely used in coatings, adhesives, and water-based products.
  • Reactivity: The carboxyl group (-COOH) and the double bond (-C=C-) in acrylic acid are highly reactive, enabling it to participate in esterification, polymerization, crosslinking, and other chemical reactions.
Safety and Precautions:
  • Irritant: Acrylic acid has a strong irritant effect, particularly on the skin, eyes, and respiratory system. Appropriate personal protective equipment, such as gloves, goggles, and masks, should be worn when handling it.
  • Corrosive: Acrylic acid is a strong acid and can corrode metals and certain materials. It should not be stored in metal containers.
  • Storage Conditions: Acrylic acid should be stored in a cool, dry, well-ventilated area, away from sunlight and high-temperature environments.
Main Applications:
  1. Polymer Synthesis:
    • Acrylic acid is a key monomer used in the synthesis of various water-soluble polymers, including polyacrylic acid (PAA), acrylate esters, and polyacrylate salts. These polymers are widely used in coatings, adhesives, glues, emulsions, and water-based paints.
    • Polymers made from acrylic acid are known for their excellent adhesion, water resistance, and chemical stability, making them essential in many industrial fields.
  2. Coatings and Inks:
    • Acrylic acid is widely used in the production of water-based coatings and inks. By copolymerizing with other monomers, acrylic acid improves the adhesion, weatherability, gloss, and resistance to pollution of the coatings and inks. This makes it useful in architectural coatings, automotive coatings, and protective coatings.
  3. Water Treatment:
    • Acrylic acid and its derivatives are widely used in water treatment, particularly for purifying water and removing pollutants. It can form gels or polymer membranes to adsorb harmful substances from water, improving water quality.
  4. Textiles:
    • In textile coatings and fiber treatments, acrylic acid and its derivatives improve the durability, flexibility, and water resistance of fibers. It also enhances the affinity between fabrics and dyes, ensuring more uniform and durable coloration.
  5. Fertilizers and Agriculture:
    • Acrylic acid is used in the production of water-soluble fertilizers, especially as a key raw material for polymer-based fertilizers, which enhance the stability and controlled release of fertilizers.
    • It can also serve as a carrier for some pesticides used in slow-release formulations.
  6. Pharmaceutical Industry:
    • In the pharmaceutical industry, acrylic acid and its polymers are used in the production of drug delivery systems, hydrogels, and wound dressings. Their hydrophilic properties and good biocompatibility make them ideal materials for medical applications.
  7. Other Applications:
    • Acrylic acid is also used in personal care products, cosmetics, and cleaning agents, where it serves as a thickening agent, moisturizing agent, and adhesive.

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