Butyl Glycol Acetate (BGA) is a high-boiling, slow-evaporating ester solvent characterized by its clear, colorless appearance and mild, fruity odor. Chemically, it is the acetate ester of ethylene glycol monobutyl ether. In the hierarchy of industrial solvents, BGA is classified as a “tail solvent” or “retarder solvent” due to its low volatility and high boiling point. It possesses excellent solvency for a wide range of natural and synthetic resins, including nitrocellulose, acrylics, epoxies, and polyurethanes.
Its primary function in chemical formulations is to improve the flow and leveling of coatings, preventing common defects such as “blushing” or “orange peel” during the drying process, particularly in high-humidity environments. While it is only sparingly soluble in water, it is completely miscible with most common organic solvents. BGA is a critical component in the transition toward high-performance, high-solids coatings and specialized printing inks where controlled evaporation rates are essential for final film integrity.
– High boiling point ensures controlled evaporation and extended open time. – Exceptional coalescing efficiency promotes superior film formation in latex systems. – Low volatility reduces solvent loss during high-temperature processing. – Excellent resin compatibility with acrylics, epoxies, and polyurethanes. – Enhances leveling and flow to prevent surface defects like orange peel. – Pleasant odor improves the working environment compared to harsher solvents. – Good viscosity reduction capabilities in high-solids coatings. – Low water solubility provides improved resistance in specialty coatings. – Reliable performance as a retarder solvent in printing and screening applications. – High purity levels for consistent industrial results.
– CAS Number: 112-07-2. – Molecular Formula: C8H16O3. – Molecular Weight: 160.21 g/mol. – Boiling Point: Approximately 192 degrees Celsius at 760 mmHg. – Flash Point: 71 degrees Celsius (Closed Cup). – Vapor Pressure: 0.3 mmHg at 20 degrees Celsius. – Relative Density: 0.94 at 20 degrees Celsius. – Evaporation Rate: 0.03 (Butyl Acetate = 1). – Refractive Index: 1.414 at 20 degrees Celsius. – Solubility: Approximately 1.5 grams per 100 ml in water at 20 degrees Celsius. – Appearance: Clear, colorless liquid with a mild ester-like odor.
• Electrical and electronics
• Connectors, switches, PCB housings, terminal blocks
• Automotive
• Under-hood components, interior assemblies, cable conduits
• Wire and cable
• Insulation layers, sheathing, jacketing materials
• Construction
• Plastic fittings, conduits, insulation panels
• Consumer appliances
• Enclosures, adapters, plugs, casings
• Industrial components
• Fiber-reinforced composites, flame-retardant masterbatches
• Compatible polymers
• PA6, PA66
• PBT, PET
• PE, PP
• Blends and copolymers requiring halogen-free flame retardancy
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