N-Propyl Acetate, also known as propyl acetate or n-propyl ethanoate, is a clear, colorless liquid with a pleasant, mild fruity odor reminiscent of pears and apples. This fast-to-medium evaporating ester solvent (molecular formula C₅H₁₀O₂, molecular weight 102.13 g/mol) offers excellent solvency power and is widely valued for its balanced performance in coatings, inks, and various industrial applications.

Primary Applications and Uses

It is a versatile solvent used across multiple industries:

  • Coatings and Paints: Ideal for automotive coatings, industrial lacquers, wood finishes, and architectural paints. It delivers excellent flow, leveling, and drying performance in nitrocellulose, acrylic, alkyd, and polyester systems.
  • Printing Inks: Widely used in flexographic, gravure, and screen printing inks due to its fast evaporation and strong solvency for resins.
  • Adhesives and Sealants: Improves open time, viscosity, and adhesion properties.
  • Flavor and Fragrance: Used as a food-grade flavoring agent (FEMA GRAS) imparting fruity notes in beverages, candies, and baked goods at regulated low levels.
  • Cosmetics and Personal Care: Common in nail polishes, nail polish removers, and other formulations for smooth application and quick drying.
  • Other Uses: Extraction solvent, cleaning agent in electronics, laboratory reagent, and component in pharmaceutical processing.

Its pleasant odor and effective solvency make it a preferred choice where fast drying and high-quality finish are required.

Benefits of N-Propyl Acetate

  • Strong solvency for a wide range of resins, polymers, and natural oils.
  • Fast-to-medium evaporation rate that supports efficient production and defect-free films.
  • Enhances gloss, brushability, and leveling in coatings and inks.
  • Good compatibility with other common solvents for custom blends.
  • Versatile across industrial and consumer applications with an attractive fruity scent.

Handling, Storage, and Safety

It is a highly flammable liquid (Category 2). Store in a cool, well-ventilated area away from heat, sparks, open flames, and strong oxidizing agents. Use appropriate PPE (gloves, safety goggles, and respiratory protection in confined spaces). Inhalation may cause drowsiness or dizziness, and repeated exposure can lead to skin dryness or eye irritation. Always consult the current Safety Data Sheet (SDS) for exposure limits (e.g., OSHA PEL), handling guidelines, and emergency measures.

Available Packaging: Drums (200 kg), IBC totes, iso-tanks, and bulk shipments. Technical grade and customized specifications available upon request.

Frequently Asked Questions (FAQs)-N-propyl acetate

What is it used for?

It is primarily used as a solvent in paints, coatings, printing inks, adhesives, nail care products, and as a flavoring agent in the food and fragrance industries.

Is it the same as Propyl Acetate?

Yes. Itrefers to the normal (straight-chain) isomer (CAS 109-60-4), which is the most commonly used form.

How does the evaporation rate of N-Propyl Acetate compare to N-Butyl Acetate?

N-Propyl Acetate evaporates faster than n-butyl acetate, making it suitable for applications requiring quicker drying times.

Is it flammable?

Yes, it is a highly flammable liquid. Keep away from ignition sources and store in approved flammable liquid containers.

Can it be used in food or cosmetic products?

Yes, it is approved for use as a flavoring agent in food (in low concentrations) and is commonly found in nail polishes and cosmetics.

What is the shelf life of it?

Typically 24 months or longer when stored properly in sealed containers away from heat and light.

What are the main differences between n-propyl acetate and isopropyl acetate?

N-Propyl Acetate has a straight chain and offers a slightly different evaporation profile and solvency compared to the branched isopropyl acetate isomer.

Is N-Propyl Acetate environmentally friendly?

It is a VOC and should be managed according to local regulations. It is biodegradable but requires proper handling and disposal to minimize environmental impact.

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