Coal gas

  • Coal gas, compressed
  • Town gas
Formula
Unspecified.
Description
A mixture of carbon monoxide, carbon dioxide, hydrogen, methane and nitrogen.
Uses
Byproduct fuel of coke ovens. It is a substitute for natural gas, produced synthetically by the chemical reduction of coal.

Registry Numbers and Inventories.
UN (DOT)
1023
Beilstein/Gmelin
NA

Properties.

Hazards and Protection.
Protection
Wear appropriate protective gloves, clothing and goggles -- as recommended by the manufacturer. Always wear thermal protective clothing when handling refrigerated/cryogenic liquids.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Make no contact with the spilled material. ELIMINATE all ignition sources, combustibles and ground all equipment. Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire. Stop leak if you can do it without risk. Do not direct water at spill or source of leak. If possible, turn leaking containers so that gas escapes rather than liquid. Isolate area until gas has dispersed. CHLOROSILANES, use AFFF alcohol-resistant medium expansion foam to reduce vapors.

Fire.
Fire fighting
For small fires, use cry chemical, carbon dioxide, water spray or alcohol-resistant foam. For large fires, use water spray, fog or alcohol-resistant foam. FOR CHLOROSILANES, DO NOT USE WATER; use AFFF alcohol-resistant medium expansion foam.
Fire potential
Flammable; may be ignited by heat, sparks or flames. May form explosive mixtures with air.
Hazards
Vapors from liquefied gas are initially heavier than air and spread along ground. Vapors may travel to source of ignition and flash back.
Combustion products
Fire will produce irritating, corrosive and/or toxic gases.

Health.
Exposure effects
   Inhalation
May be toxic/fatal if inhaled. Contact may cause burns, severe injury and/or frostbite.
   Skin
May be toxic/fatal if absorbed through skin. Contact may cause burns, severe injury and/or frostbite.
   Eyes
Contact may cause burns, severe injury and/or frostbite.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Immediately flush with running water for at least 20 minutes. In case of contact with liquefied gas, thaw frosted parts with lukewarm water.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
1023
Response guide
Hazard class
2.3