Solvents
REACH
Propyl acetate
CAS Number
109-60-4
EC Number
203-686-1
FEMA Number
FEMA 2925
Abbreviation
NPAC
What is Propyl acetate?
Propyl acetate (CAS 109-60-4), also known by its abbreviation NPAC, is an ester solvent and flavoring agent.
Where is Propyl acetate used?
- Printing and packaging: carrier solvent in flexographic and gravure inks
- Personal care: solvent and diluent in nail care products, hair sprays and perfume bases
- Food and beverage: flavoring ingredient (FEMA 2925) with fruity, pear-like top notes in confectionery, beverages and baked goods
- It also serves as a process solvent in flavor extraction and concentration.
Good to know: Technical grade is standard for industrial solvent applications; food-grade material meeting FCC specifications is available for flavor and food processing use.
Commercial specifications
- Purity levels of 99% and above are typical
- Clear liquid in drums, IBCs and bulk tanker quantities
Other Names (Synonyms)
propyl ethanoate|N-Propyl ethanoate|n-propyl ester of acetic acid|n-propyl acetate|Acetic acid,propyl ester|Acetic acid, N-propyl ester|1-Propyl acetate|1-acetoxypropane|NPAC
What are the physical properties of Propyl acetate?
Melting Point -93 °C
Boiling Point 101.5 °C @ Press: 760 Torr
Density 0.836 g/cm³ @ Temp: 20 °C
Flash Point 55 °F
Appearance n-Propyl acetate is a colorless liquid with a mild, fruity odor. The Odor Threshold is 70 milligram per cubic meter and 2.8 milligram per cubic meter (New Jersey Fact Sheet).
Color APHA: ≤15
Odor Mild fruity.
Form Liquid
Water Solubility 2g/100 mL (20 ºC)
Vapor Pressure 25 mm Hg ( 20 °C)
Refractive Index n 20/D 1.384(lit.)
Log P 1.4 at 25℃
How is Propyl acetate classified and handled safely? Learn More
Danger
GHS02· Flammable GHS07· Irritant GHS08· Health Hazard
Hazard Statements
H225 Highly Flammable liquid and vapor
H316 Causes mild skin irritation
H319 Causes serious eye irritation
H320 Causes eye irritation
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.
Which trade and regulatory codes apply to Propyl acetate?
HS Code 29153900
UN Number 1276
ADR Class 3
Packing Group II
Storage Class 3 - Flammable liquids
WGK (Germany) 1