Methyl Acetate (MTAC), also known as acetic acid methyl ester, is a clear, colorless, and highly volatile liquid carboxylate ester with the chemical formula $CH_3COOCH_3$. Characterized by its pleasant, fruity odor reminiscent of nail polish remover, MTAC is a versatile solvent widely utilized across various industrial sectors. It is primarily produced via the carbonylation of methanol as a byproduct of acetic acid production or through the direct esterification of acetic acid with methanol.
From a regulatory and environmental standpoint, Methyl Acetate is highly significant because it is classified as a VOC-exempt solvent by the US EPA. This makes it an ideal “green” alternative to more hazardous air pollutants (HAPs) or regulated volatile organic compounds like MEK (Methyl Ethyl Ketone) and Acetone. While it shares similar solvency power and evaporation rates with acetone, MTAC is less hydrophilic and offers better moisture resistance. Its high solvency for resins, polymers, and oils, combined with its rapid evaporation profile, makes it a critical component in modern high-performance formulations.
* Offers exceptional solvency for a broad spectrum of organic materials.
* Features a rapid evaporation rate, ideal for quick-drying formulations.
* Presents a low toxicity profile compared to many other industrial solvents.
* Considered an environmentally friendlier option due to its biodegradability.
* Provides a cost-effective solution across diverse industrial applications.
* Characterized by a mild, pleasant odor, enhancing user comfort.
* Ensures consistent quality and reliable performance with high purity.
* Highly versatile for applications in paints, coatings, adhesives, and more.
* Assay (GC): 99.5 % min
* Water: 0.05 % max
* Acidity (as Acetic Acid): 0.01 % max
* Colour (APHA): 10 max
* Distillation Range (oC): 56.0 – 58.0
* Specific Gravity (20/20 oC): 0.930 – 0.935
* Molecular Weight: 74.08
* Boiling Point (@ 760 mmHg): 57 oC
* Flash Point (Closed Cup): -10 oC
* Vapour Pressure (20 oC): 21.7 kPa
* Used as a solvent and diluent in the paint and coating industry for various resins like nitrocellulose and epoxies.
* Incorporated into formulations within the adhesives and sealants industry as a crucial component.
* Serves as a solvent for inks, particularly in flexographic and gravure printing, due to its effective solvency and evaporation rate.
* Functions as a reactant or solvent in the chemical synthesis of pharmaceuticals, agrochemicals, and other specialty chemicals.
* Employed as an effective solvent for industrial cleaning and degreasing applications, removing oils, greases, and residues.
* Utilized in some cosmetics and personal care formulations as a solvent or a component in fragrances.
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