Sunday 22 April 2018

Ethyl Acetate

Ethyl acetate (systematically, ethyl ethanoate, commonly abbreviated EtOAc or EA) is the organic compound with the formula CH3-COO-CH2-CH3. This colorless liquid has a characteristic sweet smell (similar to pear drops) and is used in glues, nail polish removers, decaffeinating tea and coffee, and cigarettes (see list of additives in cigarettes). Ethyl acetate is the ester of ethanol and acetic acid; it is manufactured on a large scale for use as a solvent. The combined annual production in 1985 of Japan, North America, and Europe was about 400,000 tons. In 2004, an estimated 1.3M tons were produced worldwide.

Ethyl acetate is used primarily as a solvent and diluent, being favored because of its low cost, low toxicity, and agreeable odor. The main uses of Ethyl acetate are in the manufacture of nitrocellulose and cellulose acetate lacquers and as a solvent component in adhesives and in spread-coating compounds for artificial leather. It may be used in organic syntheses (esters, drugs) and as an extractant (extraction of water from foods in a vacuum) and cleaner (paint solvent). Ethyl acetate may also be used as a gelling agent in the manufacture of powder, as an essence and perfume, as a denaturant, as an auxiliary in the manufacture of glazed and transparent paper and as an additive to polishes. Ethyl acetate may be used as a solvent for the isocyanate component of catalysed lacquers etc. In the construction sector Ethyl acetate may be used as a hardener for the alkali-sodium silicate stabilizer (alkali silicates) employed in soil stabilization by the soil injection technique.

No Parameter Test Method Value Unit
1 Purity GC 99.6min Wt%
2 Water ASTM E1064 0.1max Wt%
3 Acidity as Acetic Acid ASTM D1613 0.005max Wt%
4 Distillation Range ASTM D1078 76.5-78.5 c
5 Density @ 20 ASTM D1298 0.899-0.901 -
6 Color ASTM D1209 5max Pt-co

 

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