PnB - Propylene Glycol N-butyl Ether - CAS No. 5131-66-8

PnB – Propylene Glycol N-Butyl Ether – CAS 5131-66-8

Solvent and coalescent agent for acrylic paints and waterborne systems

The PnB (Propylene Glycol N-Butyl Ether) – CAS 5131-66-8 – is a colorless, fast-evaporating glycol ether solvent, widely used in the manufacture of paints, coatings, inks, adhesives, and industrial detergents.

It is particularly valued as a coalescent agent in paints based on acrylic, styrene-acrylic, and polyvinyl acetate resins.

DESCRIPTION

PnB is a propylene glycol ether offering an excellent balance between solvency, evaporation rate, and formulation compatibility.

It has good miscibility with the majority of organic solvents and partial miscibility with water, making it suitable for hybrid systems and waterborne formulations.

It also constitutes an alternative to ethylene glycol ethers (notably EB solvent), allowing certain formulations to be optimized while maintaining technical performance.

ADVANTAGES

• Excellent solvency.

• Effective coalescent agent for waterborne paints.

• Fast evaporation.

• Compatible with acrylic and styrene-acrylic resins.

• Good miscibility with organic solvents.

• Alternative to EB solvent.

• Improves film formation.

APPLICATIONS

Paint manufacturing:

• Acrylic paints.

• Styrene-acrylic paints.

• Polyvinyl acetate (PVA) systems.

• Decorative and industrial coatings.

Inks and adhesives:

• Technical inks.

• Industrial glues and adhesives.

Industrial detergents:

• Technical cleaning formulations.

FUNCTIONS IN PAINT FORMULATION

• Resin solubilization.

• Leveling improvement.

• Coalescence optimization.

• Improvement of film formation.

• Open time adjustment.

• Contribution to viscosity control.

SECTORS OF ACTIVITY

• Paint manufacturers.

• Coatings industry.

• Adhesive formulators.

• Ink industry.

• Chemical industry.

GENERAL PROPERTIES

• CAS: 5131-66-8

• Appearance: Colorless liquid

• Fast evaporation

• Good miscibility with organic solvents

• Partial miscibility with water

Detailed technical data available upon request.

SYNONYMS & DENOMINATIONS

Other names:

• 1-Butoxypropan-2-ol

• 3-Butoxypropan-2-ol

• Propylene glycol monobutyl ether

• 1,2-Propylene glycol 1-monobutyl ether

• 1-Butoxy-2-propanol

COMPATIBILITY

• Acrylic resins.

• Styrene-acrylic resins.

• Polyvinyl acetates.

• Hybrid solvent and waterborne formulations.

Compatibility tests recommended according to your system.

SAFETY / COMPLIANCE

• Reserved for professional use.

• Consult the safety data sheet (SDS).

• Comply with applicable local regulations.

IMPLEMENTATION

• Incorporate into the solvent phase.

• Adjust the dosage according to the desired solvency and drying time.

• Test compatibility with all components (resins, additives, pigments).