Methyl Isoamyl Ketone

Methyl Isoamyl Ketone (MIAK), chemically known as 5-Methyl-2-hexanone (CAS 110-12-3), is a colorless, high-purity solvent valued for its excellent balance of strong solvency and medium-to-slow evaporation rate. It exhibits a mild, pleasant, slightly fruity, and camphorous odor. MIAK's performance profile is ideal for coating systems that require robust dissolving power for complex resins—such as vinyls, acrylics, and polyurethanes—while promoting superior flow, leveling, and gloss without the rapid drying of lighter solvents.

Basic Information of Methyl Isoamyl Ketone

CAS No.:	110-12-3
EC No.:	203-737-8
Linear Formula:	C7H14O
Molecular Weight:	114.19
Appearance:	Colorless, clear liquid
Odor:	Mild, pleasant, fruity, slightly camphorous, ketone odor
Melting Point:	-74 °C
Boiling Point:	145 °C (lit.)
Density:	0.814 g/mL at 25 °C (lit.)
Solubility:	Slightly soluble in water; fully miscible with most organic solvents.
Flash Point:	106 °F
RIDADR:	UN 2302 3/PG 3
Chemical Structure:

Application Overview

MIAK is prized in high-end industrial and specialty chemical markets for its solvency, controlled volatility, and compatibility with diverse resin systems:

• Automotive and High-End Coatings: Used as a key solvent in automotive refinish coatings, high-solids paints, and aircraft coatings. Its balanced evaporation rate helps prevent defects like "blushing" and "pinholing," contributing to superior gloss and film integrity.

• Printing Inks: Incorporated into flexographic and gravure printing inks, particularly those used for printing on complex plastic films and foils, where controlled drying and strong resin solvency are essential.

• Polymer and Resin Solvent: It is an effective solvent for various cellulose esters (nitrocellulose), acrylics, vinyls, and polyurethanes, making it versatile for adhesives, sealants, and textile coatings.

• Extraction Solvent: Used in the chemical industry as a selective liquid-liquid extraction agent for separating and purifying certain organic compounds from aqueous streams.

• Chemical Intermediate: The ketone group provides a reactive site, allowing MIAK to serve as an intermediate in the synthesis of other specialty chemicals.

• Predictable Evaporation Profile: We rigorously control the purity of our MIAK to ensure a highly consistent and predictable evaporation curve batch-to-batch. This reliability is vital for automated coating lines and complex solvent blending, where variations can cause significant production issues.

Hazards Classification

• GHS Classification: Flammable Liquid (GHS02), Aspiration Hazard (GHS08)

• Hazard Statements: Flammable liquid and vapor; May be fatal if swallowed and enters airways.

• UN Number: UN 2302

• Hazard Class: 3 (Flammable Liquids)

• Packing Group: III