CAS 108-10-1 Methyl isobutyl ketone (MIBK) is a colorless organic compound with a pleasant odor. It is a solvent that is widely used in various industrial applications due to its excellent solvency properties and moderate evaporation rate.
MIBK chemical is produced by four different routes: a three-step process via diacetone alcohol and mesityl oxide intermediates; a one-step process from acetone and hydrogen; a one-step process from isopropyl alcohol; and a single or multistep mixed feed process.

What is the composition of MIBK chemical?
- Molecular Formula: C₆H₁₂O
- Structural Formula: (CH₃)₂CHCH₂C(O)CH₃
- IUPAC Name: 4-Methyl-2-pentanone
Commercial MIBK is not 100% pure; it contains trace amounts of impurities that meet industry quality standards. A typical specification for industrial-grade MIBK (≥99.5% purity) is as follows:
| Component | Content |
|---|---|
| 4-Methyl-2-pentanone (MIBK) | ≥99.5% |
| Water | ≤0.05% |
| Mesityl oxide (byproduct) | ≤0.2% |
| Diacetone alcohol (byproduct) | ≤0.1% |
| Other ketone impurities | ≤0.15% |
What is MIBK chemical (CAS 108-10-1) used For?
Solvents for varnishes, paints, resins, rubber and nitrocellulose, extractants for metals, intermediates for chemical synthesis.
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