Hanson Chemicals

Methyl Isobutyl Ketone (MIBK)

Formula: C₆H₁₂O
CAS Number: 108-10-1
EC Number (EINECS): 203-550-1
HS Code: 29141300
UN Number: 1245
IUPAC Name: 4-Methylpentan-2-one
Also Known As: Hexone; Isobutyl Methyl Ketone
Molecular Weight, g/mol: 100.16

Typical Specifications

Appearance: Clear, colorless liquid
Odor: Sweet, acetone-like odor
Melting Point, °C: –84
Boiling Point, °C: 116–118
Density, g/cm³ (at 20°C): 0.801
Flash Point, °C: 14 (closed cup)
Refractive Index (20°C): 1.396
Purity, %: ≥99.5
Grades Available: Industrial, Technical, Solvent Grade
Packaging: 165kg drums, 200kg drums, 1000kg IBC, bulk ISO tanks

Applications / Uses

Primary Applications

  • Solvent in paints, varnishes, lacquers, and coatings

  • Used in rubber processing and adhesives

  • Extraction solvent in pharmaceuticals and oil industry

Secondary Applications

  • Cleaning agent in inks and dyes

  • Carrier solvent for pesticides and agrochemicals

  • Intermediate in synthesis of fine chemicals

End Industries Served: Paints & Coatings, Rubber, Adhesives, Pharmaceuticals, Agrochemicals, Oil & Gas, Printing Inks

Safety & Handling Information

Hazard Class (GHS): Flammable liquid (Category 2), Acute Toxicity (Category 4), Specific Target Organ Toxicity – Single Exposure (Category 3)

Hazard Statements (H-Codes):

  • H225: Highly flammable liquid and vapor

  • H332: Harmful if inhaled

  • H335: May cause respiratory irritation

  • H336: May cause drowsiness or dizziness

Precautionary Statements (P-Codes):

  • P210: Keep away from heat, sparks, open flames

  • P280: Wear protective gloves/eye protection

  • P261: Avoid breathing vapors

  • P304 + P340: IF INHALED – remove person to fresh air and keep comfortable for breathing

Storage Conditions

  • Store in cool, dry, well-ventilated area

  • Keep container tightly closed

  • Ground/bond containers to avoid static discharge

Transport Information

  • ADR/RID: Class 3, UN1245, PG II

  • IMDG: Class 3, UN1245, PG II

  • IATA: Class 3, UN1245, PG II

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