Carbon oxide
Carbonic oxide
CO
Molecular mass: 28.0
(cylinder)
ICSC # 0023
CAS # 630-08-0
RTECS # FG3500000
UN # 1016
EC # 006-001-00-2
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Extremely flammable.
Heating will cause rise in pressure with risk of bursting.
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NO open flames, NO sparks, and NO smoking.
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Shut off supply; if not possible and no risk to surroundings, let the fire burn itself out; in other cases extinguish with
carbon dioxide,
water spray, powder.
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Explosion
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Gas/air mixtures are explosive.
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Closed system, ventilation, explosion-proof electrical equipment and lighting.
Use non-sparking handtools.
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In case of fire: keep cylinder cool by spraying with water.
Combat fire from a sheltered position.
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Exposure
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AVOID Exposure OF (PREGNANT) WOMEN!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Headache.
Confusion.
Dizziness.
Nausea.
Weakness.
Unconsciousness.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
Artificial respiration may be needed.
Refer for medical attention.
See Notes.
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•Skin
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•Eyes
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•Ingestion
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Spillage Disposal
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Storage
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Packaging & Labelling
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Evacuate danger area!
Remove all ignition sources.
Consult an expert!
Personal protection: self-contained breathing apparatus.
Ventilation.
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Fireproof.
Cool.
Keep in a well-ventilated room.
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Note: E
F+ symbol
T symbol
R: 12-23-48/23-61
S: 53-45
UN Hazard Class: 2.3
UN Subsidiary Risks: 2.1
Signal: Danger
Flame-Cylinder-Skull-Health haz
Extremely flammable gas
Contains gas under pressure; may explode if heated
Fatal if inhaled
May damage fertility or the unborn child if inhaled
Causes damage to blood if inhaled
Causes damage to blood and central nervous system through prolonged or repeated exposure if inhaled
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Important Data
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Physical State; Appearance:
ODOURLESS,
TASTELESS, COLOURLESS COMPRESSED GAS.
Physical Dangers:
The gas mixes well with air, explosive mixtures are easily formed.
The gas penetrates easily through walls and ceilings.
Chemical Dangers:
May react vigorously with oxygen, acetylene, chlorine, fluorine, nitrous oxide.
Occupational Exposure Limits:
TLV: 25 ppm as TWA BEI issued (ACGIH 2006).
MAK: 30 ppm 35 mg/m3
Peak limitation category: II(1); Pregnancy risk group: B; BAT issued;
(DFG 2008).
OSHA PEL: TWA 50 ppm (55 mg/m3)
NIOSH REL: TWA 35 ppm (40 mg/m3) C 200 ppm (229 mg/m3)
NIOSH IDLH: 1200 ppm See: 630080
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation.
Inhalation Risk:
A harmful concentration of this gas in the air will be reached very quickly on loss of containment.
Effects of Short-Term Exposure:
The substance may cause effects on the
blood
, resulting in carboxyhaemoglobinemia
and
cardiac disorders
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Exposure at high levels may result in death.
Medical observation is indicated.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the
cardiovascular system
and
central nervous system
.
May cause toxicity to human reproduction or development.
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Physical
Properties
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Boiling point: -191°C
Melting point: -205°C
Solubility in water, ml/100 ml at 20°C: 2.3
Relative vapour density (air = 1): 0.97
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Flash point: Flammable Gas
Auto-ignition temperature: 605°C
Explosive limits, vol% in air: 12.5-74.2
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Environmental
Data
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N O T E S
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Carbon monoxide is a product of incomplete combustion of coal, oil, wood. It is present in vehicle exhaust and tobacco smoke.
Depending on the degree of exposure, periodic medical examination is suggested.
No odour warning if toxic concentrations are present.
Specific treatment is necessary in case of poisoning with this substance; the appropriate means with instructions must be available.
Transport Emergency Card: TEC (R)-20S1016 or 20G1TF
NFPA Code: H3; F4; R0
Card has been partially updated in November 2008: see Occupational Exposure Limits.
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ADDITIONAL INFORMATION
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ICSC: 0023
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CARBON MONOXIDE
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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