N-Propyl Acetate (NPAC)
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Product Description
N-Propyl Acetate
Chemical Name:N-Propyl Acetate;NPAC;CAS 109-60-4
EINECS No.: 203-686-1
Chemical Formula: C5H10O2
Molecular Weight: 102.13
Melting point: -95°C
Boiling point: 102℃
Flash point: 55°F
Density (25 °C): 0.888 g/mL
Molecular Structure:
Description
Propyl acetate, also known as propyl ethanoate, is an organic compound with a molecular formula of C5H10O2. It is a clear and colourless liquid with with a mild fruity odor. It is highly flammable with a flash point of 14°C and a flammability rating of 3. It is highly miscible with all common organic solvents (alcohols, ketones, glycols, esters) but has only slight miscibility in water. Propyl acetate is found in apple and formed by the esterification of acetic acid and 1-propanol (known as acondensation reaction), often via Fischer–Speier esterification, with sulfuric acid as a catalyst and water produced as a byproduct. It is primarily intended as a solvent in the coatings and printing inks industries. It is widely used in fragrances and as a flavor additive due to its odor. It also acts as a good solvent for cellulose nitrate, acrylates, alkyd resins, rosin, plasticizers, waxes, oils and fats.
N-Propyl Acetate Standard
Appearance: Colorless Liquid
Content %≥: 99.8
Color: APHA: ≤15
Density (25 °C):: 0.888 g/mL
Vapor Pressure (20 °C): 25 mmHg
Refractive index n20/D: 1.3844
Explosive Limit: 1.7%, 37°F
Application
N-Propyl acetate is a preferred solvent in the formulation of various paints and coatings. In the realm of printing inks, N-propyl acetate’s solvency properties are critical for dissolving dyes and pigments, ensuring they remain in solution form throughout the printing process. This capability is essential for producing inks that are consistent in color and viscosity, which is vital for high-quality printing on various media. N-Propyl acetate’s role in pharmaceutical manufacturing extends to its use as a solvent in the extraction and purification processes of active pharmaceutical ingredients (APIs). The application of N-propyl acetate as a flavoring agent is based on its ability to impart a sweet, fruity flavor reminiscent of pears and apples, making it a popular choice for enhancing or adding fruit flavors to food and beverages. Its volatility is advantageous in flavor applications because it ensures the flavor is released promptly upon consumption, enhancing the taste experience. In cosmetics and personal care products, N-propyl acetate is valued not only for its pleasant scent but also for its role in enhancing the overall fragrance profile of products. It acts as a fixative that helps in stabilizing the volatility of other fragrance components, prolonging the scent’s longevity on the skin. The effectiveness of N-propyl acetate in adhesives and sealants lies in its ability to dissolve and interact with polymers, facilitating the formation of bonds at the molecular level. The utility of N-propyl acetate in cleaning agents and degreasers is attributed to its strong solvency for organic materials, such as oils, greases, and waxes.
Storge & Handling
N-Propyl Acetate shall be packaged in suitable containers, such as drums or bulk tanks, for storage and distribution. N-Propyl acetate should be stored in a cool, well-ventilated area away from direct sunlight and sources of ignition, as it is a flammable liquid. The storage area should be equipped with explosion-proof electrical equipment and materials to contain spills. The compound should be kept in tightly closed containers made of materials compatible with N-Propyl acetate, such as stainless steel, certain plastics, or glass, to prevent leakage and contamination.
Packing
180KG/Drum