Hazardous material safety data for chlorine and phosgene

Hazardous Material Operations

Chemical Name: Chlorine

Product Identification:

Trade Name:

Liquid Chlorine

Synonyms:

Liquefied chlorine gas, chlorine gas, chlor (German), molecular chlorine, diatomic chlorine, dichlorine

Chemical Formula:

Product Labeling:

DOT Hazard Class:

2, 8 (Subsidiary Risk)

DOT Label:

DOT Marking:

Poison, Inhalation Hazard, Corrosive

Physical Properties:

Appearance:

Greenish yellow gas, amber liquid in pressurized container.

Odor:

Pungent, choking, irritating, bleach-like.

Boiling Point:

°F, -34.05°C

Freezing Point:

150°F, -101°C

Specific Gravity:

Vapor Density:

(air = 1)

Flammable Limits:

Not flammable

Solubility in Water:

g/L @ 20oC, q4.6 g/L @ g/L

Extinguishing Media:

Chlorine is not flammable alone, however if mixed with combustibles, use water only.

Special Procedures for Fire Fighters:

Highly toxic gas: Do not approach without vapor protection and appropriate protective clothing.

Small Spills:

Isolate area 100 ft in all directions.

Protect.2 miles downwind from spill during day,.8 miles downwind during night.

Chlorine maybe absorbed in solution of caustic soda, soda ash or hydrated lime.

Large Spills:

Isolate area 800 ft in all directions.

Protect 1.5 miles downwind from spill during day, 4.6 miles downwind during night.

Chlorine maybe absorbed in solution of caustic soda, soda ash or hydrated lime.

If fire is present:

When possible, remove containers to avoid explosion.

Use water only for smaller fires, do not use chemicals: Control run-off to avoid pollution.

Once fire is extinguished, continue to cool containers: Avoid overcooling, as icing may occur.

In case of large fire, use unmanned hoses or withdraw from the area. Explosion can occur.

Special Equipment:

Fully encapsulating, vapor protective clothing including splash goggles, vapor respirator, chemical resistant gloves, full protective suit, metatarsal boots.

Health Hazards:

Eyes:

Burning, redness, inflammation, corneal burns, cell death, ulceration.

Ingestion:

Unlikely, due to gaseous state: frost-bite of the lips, mouth, and throat possible.

Inhalation:

Nose and throat irritation, coughing, choking, vomiting, narrowing of the airway, fluid in the lungs, breathing difficulty, lung damage, death from suffocation.

Skin:

Irritation, inflammation, frost bite, blistering, cell death, ulceration, first and second degree burns.

Chemical Name: Phosgene

Product Identification:

Trade Name:

Phosgene

Synonyms:

Carbon dichloride oxide, Diphosgene, Compat Gas, CG, Carbon oxychloride, Carbonyl chloride, Chloroformyl chloride, Carbonic dichloride

Chemical Formula:

COCl2

Product Labeling:

DOT Hazard Class:

2, 8 (Subsidiary risk)

DOT Label:

DOT Marking:

Poison, Inhalation Hazard, Corrosive

Physical Properties:

Appearance:

Gas is colorless above 47°F (8.2°C), but fog like when concentrated. Below 47°F (8.2°C), gas becomes a colorless, fuming liquid.

Odor:

In low concentrations, odor is sweet and musty; high con., odor is sharp and pungent.

Boiling Point:

47°F, 8.2°C

Freezing Point:

198°F, -127.8°C

Specific Gravity:

Liquid: 1.43 at 32°F (0°C)

Vapor Density:

0.00416 g/ml @ 21.1° C

Flammable Limits:

Non-flammable

Solubility in Water:

Slightly soluble; reacts with water

Extinguishing Media:

Phosgene is non-flammable alone, however if mixed with combustibles, use dry chemical, carbon dioxide, water or foam.

Special Procedures for Fire Fighters:

Highly toxic gas: Do not approach without vapor protection and appropriate protective clothing.

Small Spills:

Isolate area 500 ft in all directions.

Protect.2 miles downwind from spill during day,.8 miles downwind during night.

Large Spills:

Isolate area 2500 ft in all directions.

Protect 4.5 miles downwind from spill during day, 7.5 miles downwind during night.

If fire is present:

When possible, remove containers to avoid explosion.

Use dry chemical, carbon dioxide, water or foam.: Control run-off to avoid pollution.

Once fire is extinguished, continue to cool containers: Avoid overcooling.

In case of large fire, use unmanned hoses or withdraw from the area.

Special Equipment:

Vapor protective clothing including splash goggles, respirator, chemical resistant gloves, full protective suit, boots.

Health Hazards:

Eyes:

Increased tear production, inflammation, accumulation of blood, clouding of the cornea, burns.

Ingestion:

Unlikely, due to gaseous state: frost-bite of the lips, mouth, and throat possible.

Inhalation:

Upper airway irritation, cough, choking, shortness of breath, breathing difficulty, vomiting, narrowing of major airways, fluid in lungs, lung lesions, upper airway closure resulting in death, cardiovascular collapse due to low oxygen.

Skin:

Irritation, ulceration, first, second, and third degree burns, frost-bite.

Chemical Name: Acetylene

Product Identification:

Trade Name:

Acetylene

Synonyms:

Acetylen, Ethine, Ethyne, Narcylene

Chemical Formula:

C2H2

Product Labeling:

DOT Hazard Class:

DOT Label:

DOT Marking:

Flammable Gas

Physical Properties:

Appearance:

Colorless gas.

Odor:

In pure form, gas is odorless; commercial form, odor is garlic-like.

Boiling Point:

119°F, -84° C

Freezing Point:

116°F, 82.2°C

Specific Gravity:

Vapor:.906 (air=1), Liquid: N/A

Vapor Density:

0.00117 g/ml @ 0° C

Flammable Limits (% by volume)

Lower: 2.5, Upper: 100

Solubility in Water:

Extinguishing Media:

Do not extinguish flames due to possibility of explosive re-ignition. Allow fire to burn out.

Special Procedures for Fire Fighters:

Extremely flammable gas. Do not approach without breathing apparatus and fire-proof clothing.

All Spills:

When possible, remove containers from area of fire.

Cool containers from a distance without extinguishing flames. Explosive re-ignition is a danger.

When possible, remove ignition source.

Use pressure relief device on container to vent contents exposed to high temperature.

Avoid ANY contact with copper, mercury, or their alloys, due to explosion risk.

Contain area; vapor can travel through air currents and ignite in areas other than disaster area.

Allow fire to burn out; do not extinguish: if necessary, reduce gas with fog or fine water spray.

Special Equipment:

Full protective clothing, including respirable fume respirator, welding gloves, splash goggles, steel boots, full fire-protective suit, head guard.

Atmospheric testing equipment recommended.

Health Hazards:

Eyes:

Irritation, increased tear production, frost bite of the eye, ulceration.

Ingestion:

Unlikely, but can cause frost bite of the lips, mouth, and throat; vomiting if swallowed.

Inhalation:

Upper airway irritation, cough, choking, shortness of breath, breathing difficulty, vomiting, narrowing of major airways, fluid in lungs, lung lesions, upper airway closure resulting in death, abdominal pain, un-coordination, unconsciousness.