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Isoamyl acetate (CAS No 123-92-2), also known as isopentyl acetate, is an organic compound that is the ester formed from isoamyl alcohol and acetic acid. It is a colorless liquid that is only slightly soluble in water, but very soluble in most organic solvents. Isoamyl acetate has a strong odor which is also described as similar to both banana and pear. Banana oil may be either pure isoamyl acetate, or flavorings that are mixtures of isoamyl acetate, amyl acetate, and other flavors.

Specification

Appearance                            Colorless clear liquid

Odor & Taste                          With strong fragrance of fruit, sweet and sour taste of pear

Relative density (25/25°C)      0.869-0.874

Refractive index (20°C)           1.3970-1.4020

Content (GLC)                        98.0% min

Acid value                              1.0mgKOH/g max

Solubility (25°C)                    1g sample all dissolve in 3ml 60%(v/v)ethanol

Application

Isoamyl acetate is used to confer banana flavor in foods. Pear oil commonly refers to a solution of isoamyl acetate in ethanol that is used as an artificial flavor.

It is also used as a solvent for some varnishes and nitrocellulose lacquers. As a solvent and carrier for materials such as nitrocellulose, it was extensively used in the aircraft industry for stiffening and wind-proofing fabric flying surfaces, where it and its derivatives were generally known as 'aircraft dope'. Now that most aircraft are all-metal, such use is now mostly limited to historically accurate reproductions and scale models.

Because of its intense, pleasant odor and its low toxicity, isoamyl acetate is used to test the effectiveness of respirators or gas masks. It is also used in thermometers.

Packaging&Storage

25 kg/drum.

Stored in cool and dry place. Avoid to be exposured to air, light and heat.