Chlorine Flashcards
What is the molecular weight (MW) of chlorine?
70.9
What is the boiling point (BP) of chlorine?
-29°F
What is the solubility (Sol.) of chlorine in water?
0.7%
What is the flashpoint (F.P.) of chlorine?
Not applicable (NA)
What is the ionization potential (IP) of chlorine?
11.48 eV
What is the relative gas density (RGasD) of chlorine?
2.47 (air = 1)
What is the vapor pressure (VP) of chlorine?
6.8 atm
What is the freezing point (FRZ) of chlorine?
-150°F
What is the upper explosive limit (UEL) of chlorine?
Not applicable (NA)
What is the lower explosive limit (LEL) of chlorine?
Not applicable (NA)
Is chlorine flammable?
No, it is a nonflammable gas but a strong oxidizer
How is chlorine described physically?
Greenish-yellow gas with a pungent, irritating odor
In what form is chlorine typically shipped?
As a liquefied compressed gas
What is the IDLH (Immediately Dangerous to Life or Health) level for chlorine?
10 ppm
What is the OSHA PEL (Permissible Exposure Limit) for chlorine?
1 ppm (3 mg/m³)
What is the NIOSH REL (Recommended Exposure Limit) for chlorine?
0.5 ppm (1.45 mg/m³) [15-minute ceiling]
What are chlorine’s incompatibilities?
Reacts explosively with acetylene, ether, turpentine, ammonia, fuel gas, hydrogen, and finely divided metals
Why is chlorine classified as an oxidizer?
It can react violently, enhancing combustion of flammable materials
What are the primary exposure routes for chlorine?
Inhalation and contact
What are the target organs affected by chlorine exposure?
Eyes, skin, and respiratory system
What symptoms may occur after chlorine exposure?
- Burning of eyes/nose/mouth
- Coughing
- Choking
- Chest pain
- Nausea
- Dizziness
- Headache
- Pulmonary edema
- Frostbite (from liquid exposure)
What is the recommended first aid for eye exposure to chlorine?
Frostbite wash
What is the recommended first aid for skin exposure to chlorine?
Frostbite wash
What is the recommended first aid for inhalation exposure to chlorine?
Oxygen and Respiratory support
What is the primary PPE requirement for a firefighter responding to a chlorine incident?
Full encapsulated chemical protective clothing and SCBA
What respirator is recommended for escape from a chlorine atmosphere?
Scba
Apr won’t work in o2 deficient atmosphere
What concentration requires NIOSH-approved respirators?
10 ppm
Why is chlorine considered a hazmat priority in firefighting?
Its toxicity, strong oxidizing properties, and potential for violent reactions with common substances
