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Lab Pro Methyl Isobutyl Ketone ACS 1gl

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SKU: MI9101-38
California prop 65
Description
  • Chemical Name
    Methyl Isobutyl Ketone
  • Synonym
    4-Methyl-2-pentanone
  • CAS Number
    108-10-1
  • Grade
    ACS Reagent Grade
  • UN Number
    1294

Description

What is Methyl Isobutyl Ketone ACS?

Methyl Isobutyl Ketone (MIBK) ACS Grade is a high-purity, colorless, flammable liquid solvent. Chemically known as 4-Methyl-2-pentanone, it provides high solvency for resins, gums, and nitrocellulose with moderate volatility.

This product:

  • Meets or exceeds ACS Reagent specifications
  • Provides strict control over assay, water content, and residue levels
  • Is suitable for sensitive analytical and industrial applications

MIBK is slightly soluble in water and miscible with most organic solvents. Its low acidity and controlled water content support consistent reaction rates and stable chromatographic performance.

Key Features

  • ACS Reagent Grade solvent
  • High solvency with moderate volatility
  • Low acidity (≤0.0005 meq/g)
  • Controlled water content
  • Suitable for analytical and industrial use

Common Applications

  • HPLC & Analytics: Mobile phase component or extraction solvent
  • Coatings & Paints: Solvent for nitrocellulose, acrylics, and alkyd resins
  • Chemical Synthesis: Reaction intermediate and extraction agent
  • Extraction Solvent: Dewaxing oils and compound separation
  • Surface Preparation: Cleaning and degreasing requiring residue-free finish

Packaging Details

  • Packaged In: Single unit container
  • Includes: Single unit

Legal & Safety Notice

Methyl Isobutyl Ketone is a flammable liquid and vapor (Class 3). Store in a cool, dry, well-ventilated area away from heat, sparks, open flames, and strong oxidizers. Use appropriate personal protective equipment and ensure adequate ventilation during handling.

Standards and Certifications

  • Lab Pro CofA
  • Lab Pro SDS
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Properties

Chemical Name Methyl Isobutyl Ketone
Synonym 4-Methyl-2-pentanone
CAS Number 108-10-1
Molecular Weight 100.16 g/mol
Appearance Colorless liquid
Odor Characteristic sweet ketone odor
Assay ≥98.5% (Typical 99.7%)
Boiling Point 116–118 °C
Flash Point 14 °C (Closed Cup)
Density (25 °C) 0.805 g/mL
Refractive Index (20 °C) 1.426
Vapor Pressure (20 °C) 15 mmHg
Solubility Soluble in organic solvents; limited solubility in water
Hazard Class 3
Packing Group II


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FAQs

What is methyl isobutyl ketone (MIBK) ACS grade used for?

ACS-grade methyl isobutyl ketone is used as a high-purity solvent in analytical, laboratory, and industrial applications. Common uses include HPLC analysis, chemical extraction, coatings and paint formulations, resin dissolution, and surface cleaning, where controlled solvency and low residue are required.

What does ACS reagent grade indicate for MIBK?

ACS reagent grade means the methyl isobutyl ketone meets or exceeds the purity standards set by the American Chemical Society. This ensures controlled assay, low water content, and minimal impurities, making it suitable for sensitive analytical methods, chromatography, and regulated laboratory workflows.

Why is MIBK valued as a solvent?

MIBK offers high solvency with moderate volatility, making it effective for dissolving nitrocellulose, acrylics, alkyd resins, and organic compounds. Its low acidity and controlled moisture content support consistent reaction behavior and reliable performance in analytical and industrial processes.

Is methyl isobutyl ketone compatible with analytical applications?

Yes, ACS-grade MIBK is commonly used in HPLC and analytical chemistry as an extraction solvent or mobile phase component. Its purity, low residue after evaporation, and predictable physical properties make it suitable for precision laboratory and chromatographic applications.

How should methyl isobutyl ketone be handled and stored?

MIBK is a flammable liquid and should be handled with appropriate PPE and adequate ventilation. Store in a cool, dry, well-ventilated area away from heat, sparks, and oxidizers. Always follow the Safety Data Sheet for safe handling, storage, and disposal procedures.