GHS ClassificationCAS 7782-50-5
Chlorine Gas — GHS Classification, Hazards & Exposure
Chlorine is classified Danger under GHS, with hazards including May cause or intensify fire; oxidiser (H270), Contains gas under pressure; may explode if heated (H280), Causes severe skin burns and eye damage (H314), Causes serious eye damage (H318), Fatal if inhaled (H330), and May cause respiratory irritation (H335).
Exposure can be fatal. If this chemical is inhaled, swallowed, or contacts skin or eyes, get emergency medical help immediately — contact your local poison control centre or emergency services. Do not rely on first aid alone; effects can be delayed. This page is reference information, not medical advice.
Signal word — DANGER
Concentration (this SDS record)> 99 % (w/w)
GHS Hazard Summary
| Code | Hazard statement |
|---|---|
| H270 | May cause or intensify fire; oxidiser |
| H280 | Contains gas under pressure; may explode if heated |
| H314 | Causes severe skin burns and eye damage |
| H318 | Causes serious eye damage |
| H330 | Fatal if inhaled |
| H335 | May cause respiratory irritation |
Physical properties
- Boiling point
- -32.95°C
Values sourced from the referenced SDS.
Precautionary statements
- P220 Keep away from clothing and other combustible materials
- P244 Keep valves and fittings free from oil and grease
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P264 Wash hands thoroughly after handling
- P271 Use only outdoors or in a well-ventilated area
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P284 In case of inadequate ventilation wear respiratory protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower
- 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
- P310 Immediately call a POISON CENTER or doctor
- P312 Call a POISON CENTER or doctor if you feel unwell
- P320 Specific treatment is urgent
- P321 Specific treatment
- P363 Wash contaminated clothing before reuse
- P370+P376 In case of fire: Stop leak if safe to do so
- 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 in accordance with local regulations
SDS safety rules
Storage requirements
- Do not expose to temperatures exceeding 52 °C/ 125 °F.
- Store in well ventilated area. Store locked up. Keep only in the original container in a cool, well ventilated place.
Incompatibilities
- Reacts with water to form corrosive acids.Involves: Water
- May react violently with reducing agents.Involves: Reducing agents
- Can form explosive mixtures with flammable materials.Involves: Flammable materials
- Keep away from combustible materials.Involves: Combustible materials
Rules extracted from the referenced SDS.
Verified source
- Source
- Official SDS (canonicalized)
- Supplier
- Air Liquide USA LLC and its affiliates
- SDS revised
- 2021-10-11
- Last verified
- 2026-07-15
This information is provided for reference purposes only. For critical safety decisions, always consult the official Safety Data Sheet (SDS) and your local regulatory authority. MSDS Chain makes no warranty as to completeness or fitness for a particular purpose.