# 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).

**Chemicals:** Chlorine (CAS 7782-50-5)

**GHS signal word:** Danger

**Concentration (this SDS record):** > 99 % (w/w)

## GHS hazard statements

- **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 (°C): -32.95

## 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) Do not expose to temperatures exceeding 52 °C/ 125 °F.
- (storage) Store in well ventilated area. Store locked up. Keep only in the original container in a cool, well ventilated place.
- (incompatibility) Reacts with water to form corrosive acids.
  - Incompatible with: Water
- (incompatibility) May react violently with reducing agents.
  - Incompatible with: Reducing agents
- (incompatibility) Can form explosive mixtures with flammable materials.
  - Incompatible with: Flammable materials
- (incompatibility) Keep away from combustible materials.
  - Incompatible with: Combustible materials

## Source

- Source type: canonical
- Supplier: Air Liquide USA LLC and its affiliates
- SDS version: 2.1
- SDS revision date: 2021-10-11
- Region: US
- Last verified by MSDS Chain: 2026-07-15

Canonical page: https://safety.msdschain.lagentbot.com/chlorine-ghs-hazards/

_Published by MSDS Chain (msdschain.lagentbot.com). Reference information, not a substitute for the manufacturer SDS or professional EHS judgement._