Methyl Isobutyl Ketone (MIBK)

Methyl Isobutyl Ketone (MIBK) is a clear, colorless organic solvent with a sweet, camphor-like odor. It is widely used in chemical manufacturing, paint thinners, and adhesives due to its excellent solvency and fast evaporation rate.

CAS No: 108-10-1

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Formula

C₆H₁₂O

Main Uses

Solvent, Paints & Coatings, Chemical Synthesis

Appearance

Clear, Colorless Liquid

Handling

Flammable – Use Caution

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Safety Highlights

Methyl Isobutyl Ketone is classified as a flammable, harmful, and irritant substance. Proper storage and personal protective equipment (PPE) are required to handle it safely. The key safety details below are derived from the official Safety Data Sheet (SDS).

Flammable Liquid

Flash point at 18°C (64°F). Keep away from heat, sparks, and open flames.

Toxic on Contact

Harmful if inhaled, ingested, or absorbed through the skin. Can irritate eyes, skin, and respiratory tract.

Corrosive Agent

Not classified as corrosive, but causes irritation upon prolonged contact.

Emergency Measures

In case of fire, use CO₂, dry chemical, foam, or water spray. Avoid water jet.

Proper Storage

Store in a cool, well-ventilated area. Keep containers tightly sealed and away from ignition sources.

Regulatory ID

UN No: UN1245 | DOT Hazard Class: 3 (Flammable), Packing Group II

Environmental Care

Harmful to aquatic life. Prevent leaks and avoid release into drains.

PPE Required

Wear gloves, goggles, face protection, and use appropriate respirators in poorly ventilated areas.

Frequently Asked Questions

Find answers to common questions about Methyl Isobutyl Ketone (MIBK), including its applications, hazards, and safe handling practices.

What is MIBK primarily used for?

MIBK is commonly used as a solvent in paints, lacquers, adhesives, and chemical synthesis.

Is MIBK dangerous to inhale?

Yes, inhaling MIBK vapors can cause respiratory irritation and is harmful with prolonged exposure.

How should MIBK be stored safely?

It should be stored in a cool, ventilated, and flammables-designated area, in tightly closed containers.

What should I do in case of MIBK skin contact?

Immediately wash with soap and water. Seek medical help if irritation persists.

Does MIBK pose an environmental risk?

Yes, MIBK is harmful to aquatic life. Spills should be contained and prevented from entering waterways.

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