SDS Introduction
📄 Ethylene Glycol SDS PDF download, GHS classification, CAS 107-21-1, hazard statements, and industrial safety information.
Ethylene glycol is a colorless, odorless, sweet-tasting liquid widely used in antifreeze, coolants, heat transfer fluids, polyester production, and industrial applications. It is harmful if swallowed and may cause damage to organs following prolonged or repeated exposure.
Quick Answer
Ethylene glycol is a toxic industrial chemical commonly used in antifreeze and coolant formulations. Ingestion can cause serious poisoning affecting the kidneys, central nervous system, and other organs.
Quick Summary
| Item | Details |
|---|---|
| Product Name | Ethylene Glycol |
| CAS Number | 107-21-1 |
| UN Number | Not regulated (varies by concentration and transport regulations) |
| Physical State | Liquid |
| Main Hazard | Acute Toxicity / Target Organ Toxicity |
| GHS Classification | Acute Toxicity, STOT RE |
| Primary Use | Antifreeze, coolants, polyester manufacturing, heat transfer fluids |
What is Ethylene Glycol?
- Organic compound with the chemical formula C₂H₆O₂
- Colorless, odorless liquid with a sweet taste
- Commonly used in antifreeze, engine coolants, and heat transfer fluids
- Used as a raw material in polyester and resin manufacturing
- Harmful if swallowed and requires careful handling
Common Ingredients
Not applicable (Pure substance)
Basic Information
| Property | Value | Notes |
|---|---|---|
| Chemical Formula | C₂H₆O₂ | Diol compound |
| CAS Number | 107-21-1 | Standard identifier |
| Appearance | Colorless liquid | Nearly odorless |
| Boiling Point | 197.3°C | At atmospheric pressure |
| UN Number | Not regulated* | Transport classification may vary |
| Classification | Toxic | Harmful if swallowed |
*Transport requirements may vary depending on concentration and applicable regulations.
GHS Hazard Classification
| Symbol | Classification | Description |
|---|---|---|
| ⚠️ | Acute Toxicity (Category 4) | Harmful if swallowed |
| 🧠 | STOT RE (Category 2) | May cause damage to organs through prolonged or repeated exposure |


Hazard Statements
| Code | Statement |
|---|---|
| H302 | Harmful if swallowed |
| H373 | May cause damage to organs through prolonged or repeated exposure |
Key Hazards
- Inhalation – Low vapor hazard under normal conditions; mist may cause irritation
- Skin Contact – Prolonged contact may cause mild irritation
- Eye Contact – May cause eye irritation
- Ingestion – Toxic; may damage kidneys and central nervous system
- Environmental Impact – Prevent uncontrolled release into waterways
First Aid Measures
- Inhalation – Move to fresh air if exposed to mist or vapor
- Skin Contact – Wash thoroughly with soap and water
- Eye Contact – Rinse cautiously with water for at least 15 minutes
- Ingestion – Seek immediate medical attention; do not induce vomiting unless instructed by medical personnel
Recommended PPE
| PPE | Recommendation |
|---|---|
| Safety Glasses | Chemical splash goggles recommended |
| Chemical Resistant Gloves | Required |
| Respirator | Recommended where mist or vapor exposure may occur |
| Protective Clothing | Recommended |
Storage and Handling
- Store in a tightly closed container
- Keep in a cool, dry, and well-ventilated area
- Avoid ingestion and unnecessary exposure
- Keep away from incompatible oxidizing agents
Frequently Asked Questions
Is Ethylene Glycol Toxic?
Yes. Ethylene glycol is harmful if swallowed and can cause serious poisoning.
Is Ethylene Glycol Flammable?
Ethylene glycol has a relatively high flash point and is not classified as a highly flammable liquid under normal GHS criteria.
What PPE Should Be Used?
Chemical-resistant gloves, safety goggles, protective clothing, and respiratory protection where appropriate.
What Is Ethylene Glycol Used For?
It is widely used in antifreeze, engine coolants, heat transfer fluids, and polyester manufacturing.
SDS Download (English)
📄 [Ethylene Glycol Safety Data Sheet (SDS) PDF – Merck]
Click to download the official SDS PDF provided by Merck.
📄 [Ethylene Glycol Safety Data Sheet (SDS) PDF – Lotte Chemica]
Click to download the official SDS PDF provided by Lotte Chemica.
📄 [Ethylene Glycol Safety Data Sheet (SDS) PDF – Hanwha TotalEnergies]
Click to download the official SDS PDF provided by Hanwha TotalEnergies.
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.