Chemical Structure & Composition
Acrylic Acid (AA), with the molecular formula C₃H₄O₂, is an organic compound characterized by a carboxyl group (-COOH) attached to a carbon-carbon double bond. This structure classifies it as an α,β-unsaturated carboxylic acid, enabling it to undergo various chemical reactions such as polymerization and esterification.
- CAS Number: 79-10-7
- Molecular Weight: 72.06 g/mol
- IUPAC Name: Prop-2-enoic acid
- Synonyms: 2-Propenoic acid, Acrylic acid
Physical & Chemical Properties
- Appearance: Colorless to pale yellow liquid
- Boiling Point: 141°C
- Melting Point: 13–14°C
- Density: 1.049 g/cm³ at 20°C
- Flash Point: 57°C
- Solubility: Miscible with water, ethanol, and most organic solvents
- Vapor Pressure: 2.5 mmHg at 20°C
- Odor: Pungent, acrid
Applications
Acrylic Acid serves as a versatile monomer and intermediate in various industrial applications:
Superabsorbent Polymers (SAPs):
Personal Hygiene Products: Used in the production of diapers, adult incontinence products, and feminine hygiene items.
Agricultural Applications: Employed in water retention systems for soil and horticultural products.
Coatings and Paints:
Waterborne Coatings: Enhances adhesion, flexibility, and chemical resistance in water-based paints and coatings.
Protective Coatings: Improves durability and corrosion resistance in industrial coatings.
Adhesives and Sealants:
Pressure-Sensitive Adhesives: Provides tackiness and shear strength in adhesive formulations.
Construction Sealants: Enhances adhesion to various substrates and improves flexibility.
Water Treatment:
Flocculants: Used in water treatment processes to aggregate and remove suspended particles.
Dispersants: Prevents scale formation and improves efficiency in water systems.
Textile and Leather Industry:
Fabric Treatments: Imparts water repellency and stain resistance to textiles.
Leather Coatings: Enhances the durability and appearance of leather products.
Pharmaceuticals:
Controlled Release Systems: Used in the formulation of drug delivery systems for controlled release of active ingredients.
Safety and Handling
Storage: Store in a cool, well-ventilated area away from heat and ignition sources.
Handling: Use appropriate personal protective equipment (PPE), including gloves, goggles, and protective clothing.
Incompatibilities: Avoid contact with strong oxidizing agents, acids, and bases.
First Aid Measures: In case of contact, immediately flush with plenty of water and seek medical attention if necessary.
Certificates
Payment terms: Various payment methods are available, including T/T IN ADVANCE, Part repayment and part credit, etc.
