Is mek (CAS 78-93-3) solvent harmful to humans?

Jan 20, 2026 השאר הודעה


Methyl Ethyl Ketone can affect you when breathed in and by passing through your skin.
Methyl Ethyl Ketone can irritate the skin causing a rash or burning feeling on contact. Repeated exposure can cause drying and cracking of the skin.
Contact can severely irritate and burn the eyes, leading to permanent damage.

 

 


Methyl Ethyl Ketone (MEK, 2-butanone, or methyl acetone) is a colorless liquid used in many industrial facilities. Similar to acetone but harsher, MEK is a common choice for heavy-duty applications.

Is Mek Solvent Harmful To Humans?


Methyl ethyl ketone (MEK), also known as butanone or 2-butanone (CAS 78-93-3), can be used as a solvent and is widely applied in polyurethane coatings, phenolic coatings, epoxy coatings, and other industrial paint systems, where it acts as a thickening agent and performance enhancer. In addition, MEK solvent is an important component of oil-based coatings and is used in the dye industry as a solvent for the production of dyes, raw materials, and catalysts.

 

Ethyl methyl ketone is used in the manufacture of polymer compounds such as ketone-based, carboxylic acid-based, hydroxy acid-based, and amino acid-based polymers, including epoxy resins, phenolic resins, cellulose acetate ester resins, and polyimide resins. It can also serve as a raw material for adhesives and catalysts, making MEK chemical an important industrial intermediate.

 

In the electronics sector, methyl ethyl ketone (MEK CAS 78-93-3) is used for cleaning and degreasing electronic components, especially during the manufacturing of semiconductors and electronic devices. It is also used as a developer after photolithography in integrated circuit production.

 

MEK butanone is a raw material for producing the acaricide pyridaben and is used in the synthesis of anti-skinning agents (methyl ethyl ketone oxime), polymerization catalysts (methyl ethyl ketone peroxide), and corrosion inhibitors (methyl pentynol). In addition, methyl ethyl ketone solvent is used in the production of pharmaceuticals, dyes, detergents, flavorings, and antioxidants.

 

Methyl ethyl ketone (MEK) can also be used as a reagent for determining cadmium, copper, and mercury, as well as a standard substance for chromatographic analysis. It is permitted as a food flavoring solvent, mainly for formulating cheese, coffee, and banana-type flavorings, and is also used as an extraction solvent and a lubricant oil dewaxing agent.

 

 

 

Gneebio supplies industrial MEK (Methyl Ethyl Ketone) with stable 99.9% purity, produced under ISO9001 and GMP quality management systems. Each batch is delivered with COA and MSDS, ensuring consistent quality and smooth customs clearance. We support drum, ISO tank, and bulk supply, suitable for long-term contracts and large-volume industrial buyers.

 

MEK (Methyl Ethyl Ketone)  Manufacturing

 

1) Small batch shipment and sub-packaging are available.
2). Provide COA, MSDS, Health Certificate, and Origin Certificate.
3) Quality first, service best.

 

p-Xylene, Methanol, Methylene Chloride, Butyl Acrylate, etc., mainly used in paints, coatings, spray paints, printing, leather, ink, and pharmaceutical intermediates. You can contact TIANJIN GNEE BIOTECH CO., LTD.: https://www.gneechem.com/contact-us

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