SDS Introduction
📄 MEK (Methyl Ethyl Ketone) SDS PDF download, GHS classification, CAS 78-93-3, hazard statements, and industrial safety information.
MEK (Methyl Ethyl Ketone) is a colorless, volatile solvent widely used in paints, coatings, adhesives, printing inks, and industrial cleaning. It evaporates rapidly, is highly flammable, and may cause eye irritation, drowsiness, or dizziness following vapor exposure.
Quick Answer
MEK (Methyl Ethyl Ketone) is a highly flammable industrial solvent used in coatings, adhesives, and cleaning applications. Exposure to high concentrations of vapor may cause irritation, headache, dizziness, and central nervous system effects.
Quick Summary
| Item | Details |
|---|---|
| Product Name | MEK (Methyl Ethyl Ketone) |
| CAS Number | 78-93-3 |
| UN Number | UN1193 |
| Physical State | Liquid |
| Main Hazard | Highly Flammable / Eye Irritation |
| GHS Classification | Flammable Liquid, Eye Irritation, STOT SE |
| Primary Use | Solvent for paints, coatings, adhesives, and cleaning |
What is MEK (Methyl Ethyl Ketone)?
- Organic solvent with the chemical formula C₄H₈O
- Colorless liquid with a characteristic sweet odor
- Used in paints, coatings, adhesives, printing inks, and cleaning products
- Rapid evaporation provides fast drying performance
- Highly flammable and requires proper ventilation during use
Common Ingredients
Not applicable (Pure substance)
Basic Information
| Property | Value | Notes |
|---|---|---|
| Chemical Formula | C₄H₈O | Ketone compound |
| CAS Number | 78-93-3 | Standard identifier |
| Appearance | Colorless liquid | Sweet odor |
| Boiling Point | 79.6°C | At atmospheric pressure |
| UN Number | UN1193 | Flammable liquid |
| Classification | Flammable / Irritant | Organic solvent |
GHS Hazard Classification
| Symbol | Classification | Description |
|---|---|---|
| 🔥 | Flammable Liquid (Category 2) | Highly flammable liquid and vapor |
| ⚠️ | Eye Irritation (Category 2A) | Causes serious eye irritation |
| 🌬️ | STOT SE (Category 3) | May cause drowsiness or dizziness |
Hazard Statements
| Code | Statement |
|---|---|
| H225 | Highly flammable liquid and vapor |
| H319 | Causes serious eye irritation |
| H336 | May cause drowsiness or dizziness |
Key Hazards
- Inhalation – Dizziness, headache, drowsiness
- Skin Contact – Dryness and irritation
- Eye Contact – Serious eye irritation
- Ingestion – Harmful if swallowed and aspiration risk
- Environmental Impact – Prevent uncontrolled release into the environment
First Aid Measures
- Inhalation – Move to fresh air and seek medical attention if symptoms persist
- Skin Contact – Wash thoroughly with soap and water
- Eye Contact – Rinse cautiously with water for at least 15 minutes
- Ingestion – Do not induce vomiting and seek immediate medical attention
Recommended PPE
| PPE | Recommendation |
|---|---|
| Safety Glasses | Chemical splash goggles recommended |
| Chemical Resistant Gloves | Required |
| Respirator | Recommended where ventilation is inadequate |
| Protective Clothing | Recommended |
Storage and Handling
- Store in a cool, well-ventilated place
- Keep container tightly closed
- Keep away from heat, sparks, and open flames
- Use explosion-proof electrical equipment where required
Frequently Asked Questions
Is MEK Highly Flammable?
Yes. MEK is classified as a highly flammable liquid and vapor.
Is MEK Harmful to Inhale?
Yes. High concentrations of MEK vapor may cause headache, dizziness, and drowsiness.
What PPE Should Be Used?
Chemical-resistant gloves, safety goggles, protective clothing, and respiratory protection where necessary.
What Is MEK Used For?
MEK is commonly used as an industrial solvent in paints, coatings, adhesives, printing inks, and cleaning products.
SDS Download (English)
📄 [MEK (Methyl Ethyl Ketone) Safety Data Sheet (SDS) PDF – Merck]
Click to download the official SDS PDF provided by Merck.
📄 [MEK (Methyl Ethyl Ketone) Safety Data Sheet (SDS) PDF – Thermo Fisher Scientific]
Click to download the official SDS PDF provided by Thermo Fisher Scientific.
📄 [MEK (Methyl Ethyl Ketone) Safety Data Sheet (SDS) PDF – Wessex Chemical]
Click to download the official SDS PDF provided by Wessex Chemical.
Important Notice
⚠️ This information is provided for reference only.
Regulatory classification and requirements may vary depending on manufacturer and jurisdiction.
Always consult the official SDS issued by the supplier before handling the substance.