dichlorofluoromethane
Gas Cylinder
Exclamation Mark
Health Hazard
Hazard Statements
| Code | Statement | Hazard Class |
|---|---|---|
H280 |
Contains gas under pressure; may explode if heated | Gases under pressure |
H316 |
Causes mild skin irritation | Skin corrosion/irritation |
H320 |
Causes eye irritation | Serious eye damage/eye irritation |
H336 |
May cause drowsiness or dizziness | Specific target organ toxicity, single exposure; Narcotic effects |
H361 |
Suspected of damaging fertility or the unborn child | Reproductive toxicity |
H372 |
Causes damage to organs through prolonged or repeated exposure | Specific target organ toxicity, repeated exposure |
Precautionary Statements
| Code | Statement |
|---|---|
P203 |
Obtain, read and follow all safety instructions before use. |
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/... |
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. |
P318 |
if exposed or concerned, get medical advice. |
P319 |
Get medical help if you feel unwell. |
P332+P317 |
If skin irritation occurs: Get medical help. |
P337+P317 |
If eye irritation persists: Get medical help. |
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 | 1000 ppm |
| NIOSH REL | 10 ppm |
| NIOSH IDLH | 5000 ppm |
| Skin Notation | Yes — can be absorbed through skin |
Physical Properties
Colorless gas with a slight, ether-like odor.
| Boiling Point | 48°F |
| Vapor Pressure | 1.6 atm at 70°F |
| Specific Gravity | 1.48 |
Synonyms
dichlorofluoromethane; fluorodichloromethane; Freon21; Genetron21; Halon112; Refrigerant 21
Data Sources
- GHS Classification: PubChem CID 6370
- 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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