Ethylene oxide (EC: 200-849-9)
NIOSH Potential Occupational Carcinogen
Flame
Gas Cylinder
Corrosion
Skull and Crossbones
Exclamation Mark
Health Hazard
Safety Data Sheets
| Manufacturer | Download |
|---|---|
| Sigma Aldrich | Download PDF |
| Syn Quest | Download PDF |
| TCI | Download PDF |
Precautionary Statements
| Code | Statement |
|---|---|
P203 |
Obtain, read and follow all safety instructions before use. |
P210 |
Keep away from heat, hot surface, sparks, open flames and other ignition sources. No smoking. |
P222 |
Do not allow contact with air. |
P260 |
Do not breathe dust/fume/gas/mist/vapors/spray. |
P261 |
Avoid breathing dust/fume/gas/mist/vapors/spray. |
P264 |
Wash hands [and ...] thoroughly after handling. |
P264+P265 |
Wash hands [and ...] thoroughly after handling. Do not touch eyes. |
P270 |
Do not eat, drink or smoke when using this product. |
P271 |
Use only outdoors or in a well-ventilated area. |
P280 |
Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
P301+P316 |
IF SWALLOWED: Get emergency medical help immediately. |
P301+P317 |
IF SWALLOWED: Get medical help. |
P301+P330+P331 |
IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. |
P302+P352 |
IF ON SKIN: wash with plenty of water/... |
P302+P361+P354 |
IF ON SKIN: Take off Immediately all contaminated clothing. Immediately rinse with water for several minutes. |
P304+P340 |
IF INHALED: Remove person to fresh air and keep comfortable for breathing. |
P305+P351+P338 |
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing. |
P305+P354+P338 |
IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. |
P316 |
Get emergency medical help immediately. |
P317 |
Get emergency medical help. |
P318 |
if exposed or concerned, get medical advice. |
P319 |
Get medical help if you feel unwell. |
P321 |
Specific treatment (see information on this label and safety datasheet)). |
P330 |
Rinse mouth. |
P332+P317 |
If skin irritation occurs: Get medical help. |
P337 |
If eye irritation persists: |
P337+P317 |
If eye irritation persists: Get medical help. |
P362+P364 |
Take off contaminated clothing and wash it before reuse. |
P363 |
Wash contaminated clothing before reuse. |
P377 |
Leaking gas fire: Do not extinguish, unless leak can be stopped safely. |
P381 |
In case of leakage, eliminate all ignition sources. |
P403 |
Store in a well-ventilated place. |
P403+P233 |
Store in a well-ventilated place. Keep container tightly closed. |
P405 |
Store locked up. |
P410+P403 |
Protect from sunlight. Store in a well-ventilated place. |
P501 |
Dispose of contents/container to ... |
Exposure Limits
| OSHA PEL | 1 ppm |
| NIOSH REL | 0.1 ppm (Ceiling: 5 ppm) |
| NIOSH IDLH | 800 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless gas or liquid (below 51°F) with an ether-like odor.
| Boiling Point | 51°F |
| Flash Point | -20°F (liquid) |
| Vapor Pressure | 1.46 atm |
| Specific Gravity | 0.82 (liquid at 50°F) |
NFPA 704 Diamond
4
3
3
Health
Fire
Reactivity
Target Organs
peritoneal cancer, leukemia, mutagenesis, reproductive effects
Synonyms
dimethylene oxide; 1,2-epoxyethane; oxirane; ETO
Data Sources
- GHS Classification: PubChem CID 6354
- OSHA PEL: OSHA Occupational Chemical Database
- NIOSH REL/IDLH: NIOSH Pocket Guide
Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.
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