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What is butyl acetate solvent (CAS 123-86-4) used for in paint?

Dec 04, 2025 Leave a message

butyl acetate (CAS 123-86-4) Properties

CAS number: 123-86-4

Molecular formula: CH3COO(CH2)3CH3

Molecular weight: 116.16

Appearance: Transparent liquid, without suspended impurities

Odor: Fruity

Solubility: Slight soluble in water, soluble in most alcohols and ethers.

Refractive index (20℃): 1.393-1.395

Boiling point: 126.1℃ under normal atmosphere

 

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What is butyl acetate used for in paint?

Up to 90% of all produced butyl acetate is consumed by the paint industry (enamels, paints, varnishes, primers, glues). This is the widest field of application of this complex ether.

 

butyl acetate In paints:

  • Dissolves binders (e.g., nitrocellulose, acrylics).
  • Controls viscosity and drying time.
  • Improves flow and gloss.
  • Acts as a thinner for application.

 

butyl acetate uses in paint

 

N-Butyl Acetate Other uses:

It is also applied to prepare perfume. It appears in the recipes of apricot, banana, pear and pineapple essences.

In petroleum refining and pharmaceutical industry, it is used as extractant, especially the extractant of some antibiotics.

n-Butyl acetate is an azeotrope former with good ability to carry water. It is often used to condense some weak solution to reduce energy consumption.

Also can be used as analytical reagent verify thalium, stannum and tungsten, and determine molybdenum and rhenium.
 

 

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