Methyl Isobutyl Ketone (MIBK), also known as 4-Methyl-2-pentanone, ACS Grade is a clear, colorless, flammable solvent meeting American Chemical Society specifications.
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Solvent for coatings, resins, and adhesives
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Extraction solvent for metals and trace analysis
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Laboratory reagent and chemical intermediate
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Product Information
| CAS | 108-10-1 |
|---|---|
| Synonyms | 4-methyl-2-pentanone, isobutyl methyl ketone, isopropylacetone |
| Assay | NLT 99.0% (ACS) |
| Grade | ACS Grade |
| Physical form | Liquid |
| Appearance | Clear, colorless liquid with characteristic ketone odor |
| Solubility | Slightly soluble in water (approx. 1.9 g/100 mL); miscible with most organic solvents |
| Molecular formula | C₆H₁₂O ((CH₃)₂CHCH₂COCH₃) |
| Molecular weight | 100.16 g/mol |
| Autoship Available | Yes |
| Pillar | High Purity |
| Water | NMT 0.1% (Karl Fischer) |












