Ethyl acetate CAS 141-78-6 is a versatile organic compound that belongs to the ester family. The chemical formula of this substance is C₄H₈O₂. It is a clear, sweet-smelling liquid that is widely used as a solvent.
Physical and Chemical Properties of Ethyl Acetate
Boiling Point of Ethyl Acetate
Ethyl acetate has a boiling point of 77.1°C (171°F), making it suitable for low-temperature evaporation processes.
Other Physical Properties
- Molecular Weight: 88.11 g/mol
- Density: 0.902 g/cm³ at 20°C
- Melting Point: -83.6°C (-118.5°F)
- Solubility: Partially soluble in water and fully miscible with organic solvents.
Chemical Behaviour and Reactivity
- Hydrolyzes into ethanol and acetic acid in the presence of strong acids or bases.
- Combustible in air, producing carbon dioxide and water.
Learn more about the properties of Ethyl Acetate
1. Applications of ethyl acetate in paints and coatings
In the coatings industry, ethyl acetate is an important solvent that can dissolve a variety of resins, such as acrylic resins, polyurethane resins, nitrocellulose resins, and chlorinated rubber resins. This makes it ideal for manufacturing solvent-based or water-based coatings and varnishes.
Key Applications in Paints:
- Architectural Coatings: As the largest consumer of ethyl acetate, it is used in architectural coatings to create smooth and durable coatings for residential and commercial buildings. It effectively dissolves binders and pigments, ensuring uniform paint flow and rapid drying, thus shortening the time required for contractors and owners.
- Automotive Coatings: Ethyl acetate liquid is a key component in automotive refinish paints and automotive manufacturing coatings, especially in clear coats used to protect against UV rays, scratches, and corrosion. When mixed with butyl acetate, ethyl acetate can balance the volatility gradient and prevent film cracking.
- Industrial and Specialty Coatings: In industrial applications, ethyl acetate solvent has strong solubility for chlorinated rubbers and vinyl resins, enhancing corrosion resistance. It is also used in specialty coatings, such as nitrocellulose lacquer for wooden furniture.
2. Applications of ethyl acetate in cleaning products
Ethyl acetate EA (CAS 141-78-6) evaporates quickly, dissolves well, and has low toxicity, making it ideal for cleaning products. It removes grease, oil, adhesives, and other stains, and is gentler on the skin than strong solvents such as acetone or methanol.
Key Applications in cleaning products:
- Industrial Degreasing Agents: Ethyl acetate is commonly used in degreasing agents for metal parts, machinery, and equipment. It quickly and effectively removes oil and grease, keeping equipment surfaces clean and dry. The EA Solvent evaporates rapidly, meaning parts can be reused more frequently, thus increasing efficiency.
- Household Cleaning Products: Ethyl acetate is widely used in various household cleaning products, such as glass cleaners and stain removers. It can remove sticky substances such as tape, stickers, and glue, as well as grease and ink stains.
- Specialty Cleaners: In industries such as electronics and printing, it is used in specialty cleaners to remove ink, flux, and other substances that may damage precision components. It is safe to use on circuit boards, printers, and other precision equipment without damaging the parts.
Safe Handling And Storage
Strict rules for operation, storage and personal protection are required to reduce the risks of ethyl acetate.
1. Handling Guidelines
Operate in fully ventilated spaces. Explosion-proof ventilation devices are preferred to stop vapor build-up.
Prevent direct skin and eye contact. Wear nitrile or neoprene gloves, chemical splash goggles and protective work clothes.
Ground all containers and transfer tools to avoid static electricity.
Keep ethyl acetate away from strong oxidants, strong acids and strong bases.
2. Storage Guidelines
Keep the product in cool, dry and ventilated warehouses. The ambient temperature shall not exceed 30°C. Seal all containers tightly.
Mark all containers clearly with chemical name, CAS 141-78-6 and hazard warning signs.
Use standard containers for flammable liquids, such as stainless steel and HDPE tanks. Do not use large glass containers.
Place fire fighting equipment in storage areas, including alcohol-resistant foam, carbon dioxide and dry powder extinguishers.
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