Flammability limit Threshold limit value
LFL UFL TLV-TWA TLV-STEL
3.1% v/v 16% v/v 200 ppm. 610 mg/m3 250ppm.760 mg/m3

Methyl acetate : Description And Use

:DESCRIPTION

Methyl acetate is also called  acetic acid methyl ester which is often confused with aceton. It is in the form of a clear, highly flammable liquid with a pleasant smell reminiscent of some glues, and nail polish removers. Its characteristics are very similar to those of ethyl acetate. Weakly polar (lipophilic) and aprotic, it is fairly soluble in water at elevated temperatures. It is hydrolyzed at high temperatures into methanol and acetic acid (in the presence of strong aqueous acids or into acetate in the presence of a strong aqueous base). The use of Methyl acetate is for solvent in glue, paint, nail polish remover, and in organic synthesis and for extractions.

:USE
  • Solvent for nitrocellulose and cellulose acetate
  • Preparation of paints, lacquers, thinners, and strippers
  • To manufacture artificial leathers
  • Perfume industry
  • Organic synthesis

Methyl acetate : Warnings and caution

GHS HAZARD STATEMENTS

H225 – Highly flammable liquid and vapor

H319 – Causes serious eye irritation

H336 – May cause drowsiness or dizziness.

EUH 066 – Repeated exposure can lead to dry skin and cracks.

GHS PRECAUTIONARY STATEMENTS

P210 – Keep away from heat, sparks, open flames, hot surfaces. No smoking.

P305 + P351 + P338 – In case of contact, rinse your eyes thoroulghy with water. If you wear contact lenses, take them off immediately.

P403 + P233 – Store in a well-ventilated place. Keep the container tightly closed.

Methyl acetate: Chemical and physical properties

Molecular Formula: C3H6O2 / CH3COOCH3

Synonyms: methyl ethanoate, acetic acid methyl ester, MeOAc, tereton, devoton, methyl ester of acetic acid, methylacetate

CAS Number: 79-20-9

Molecular Mass: 74.079 g·mol−1

Exact Mass: 74.036779 g/mol

Flashpoint: 14 °F / -10 °C

Boiling Point: 134.4 °F at 760 mm Hg / 56.8 °C

Melting Point: -144 °F / -98.0 °C

Vapour Pressure: 170 mm Hg at 68 ° F ; 235 mm Hg at 77° F

Water Solubility: ~25% (20 °C)

Density: 0.932 g cm−3

Viscosity: 0.36 mPa.s at 25℃

Autoignition Temperature: 455℃ / 851℉

Vapor Density: 2.8 (Relative to Air)

Odor: Pleasant odor

Color/ Form: Colorless, volatile liquid

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