Isopropyl palmitate is a colorless to light yellow oily liquid, not volatile, flammable, and has a slight greasy smell. It is soluble in organic solvents such as ethanol and ether, but insoluble in water and glycerol. It is permeable to the skin and is widely used as a raw material for medicine and cosmetics.
The specific physical and chemical properties of isopropyl palmitate are as follows:
Appearance: colorless to light yellow oily liquid
Color Degree: 4.0APHA
Boiling point: 340.7℃ (760mmHg)
Melting point: 11~13℃
Flash point: 162.2℃
Density: 0.850~0.855g/cm3 (25℃)
Kinematic viscosity: 7.5mm2/s@20℃
Refractive index: 1.439nD20
Acid value : 0.1mgKOH/g
Iodine value: 0.17gI2/100g
Saponification value: 187.7
Solubility: insoluble in water and glycerol, soluble in ethanol , diethyl ether and other organic solvents.
Stability: It is not oxidized in the air at room temperature, not easily hydrolyzed, and has good stability.