Chlorine

CAS 7782-50-5 Cl₂ MW 70.9000 Danger
Flame Over Circle Flame Over Circle
Gas Cylinder Gas Cylinder
Corrosion Corrosion
Skull and Crossbones Skull and Crossbones
Health Hazard Health Hazard
Environment Environment
Emergency: 911 | Poison Control: 1-800-222-1222

Safety Data Sheets

ManufacturerDownload
Oakwood Download PDF
Sigma Aldrich Download PDF

Hazard Statements

CodeStatementHazard Class
H270 May cause or intensify fire; oxidizer Oxidizing gases
H280 Contains gas under pressure; may explode if heated Gases under pressure
H314 Causes severe skin burns and eye damage Skin corrosion/irritation
H318 Causes serious eye damage Serious eye damage/eye irritation
H330 Fatal if inhaled Acute toxicity, inhalation
H370 Causes damage to organs Specific target organ toxicity, single exposure
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure
H373 May causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure

Precautionary Statements

CodeStatement
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/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/...
P284 [In case of inadequate ventilation] Wear respiratory protection.
P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
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+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
P308+P316 IF exposed or concerned: Get emergency medical help immediately.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P319 Get medical help if you feel unwell.
P320 Specific treatment is urgent (see ... on this label).
P321 Specific treatment (see information on this label and safety datasheet)).
P363 Wash contaminated clothing before reuse.
P370+P376 in case of fire: Stop leak if safe to do so.
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

NIOSH RELCeiling: 0.5 ppm
NIOSH IDLH10 ppm
Skin NotationYes — can be absorbed through skin

Physical Properties

Greenish-yellow gas with a pungent, irritating odor.

Boiling Point-29°F
Vapor Pressure6.8 atm
Specific Gravity1.424 at 59°F

NFPA 704 Diamond

0
4
0
Health Fire Reactivity

Target Organs

Lungs Skin Eyes

severe eye, mucous membrane, and skin irritation

Synonyms

molecular chlorine; bleach

Data Sources

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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