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CARBON DI OXIDE
Product Name:
Carbon dioxide
Chemical Name:
Carbon dioxide
Formula:
CO2 0
Chemical Family: Acid anhydride 1 0
Use:
Various SA
Synonyms:
Carbonic anhydride, Carbonic acid gas, Carbon Anhydride, Carbon Dioxide USP

NFPA Fire: 0 HMIS Fire:
0 Acute:
Yes

NFPA Health: 1 HMIS Health:
0 Chronic:
No

NFPA Reactivity: 0 HMIS Reactivity:
0 Fire:
No

NFPA Special Hazard: SA Mixture:
No Reactive:
No

Sudden Release Pressure:
Yes
02. INGREDIENTS - COMPOSITION & INFORMATION

PERCENT EXPOSURE GUIDELINES
COMPONENT CAS No. (BY WT.) OSHA - TWA ACGIH - STEL
Carbon Dioxide 124-38-9 99.0% 100.0% 5000 ppm 5000ppm
LD50: None. LC50: None.
03. HAZARDS IDENTIFICATION

EMERGENCY OVERVIEW:

Warning:
High pressure liquid and gas.

Can cause rapid suffocation.

Can increase respiration and heart rate.

May cause frostbite.

Avoid breathing gas.

Self-contained breathing apparatus may be required by rescue workers.

Potential Health Effects Information:

Routes of Exposure:

Inhalation:
Carbon dioxide is an asphyxiant. Concentration of 10% or more can produce

unconsciousness or death. Lower concentrations may cause headache, sweating,

rapid breathing, increased heartbeat, shortness of breath, dizziness, mental

depression, visual disturbances, and shaking.

Eye Contact:
Contact with liquid or cold vapor can cause freezing of tissue.

Skin Contact:
Contact with liquid or cold vapor can cause frostbite.

Chronic Effects:
None established.

Medical Conditions Aggravated By
None.

Overexposure:

Other Effects Of Overexposure
Damage to retinal ganglion cells and central nervous system may occur.

Carcinogenicity:
Carbon dioxide is not listed by NTP, OSHA or IARC.
04. FIRST AID MEASURES

Inhalation:
Persons suffering from lack of oxygen should be removed to fresh air. If victim is

not breathing, administer artificial respiration. If breathing is difficult, administer

oxygen. Obtain prompt medical attention.

Eye:
Contact with liquid or cold vapor can cause freezing of tissue. Gently flush eyes

with lukewarm water. Obtain medical attention immediately.

Skin:
Contact with liquid or cold vapor can cause frostbite. Immediately warm affected

area with lukewarm water not to exceed 105F (40C).

Ingestion:
None.

Note To Physician:
There is no specific antidote. Treatment of overexposure should be directed at the

control of symptoms and the clinical condition.
05. FIRE FIGHTING MEASURES

Flash Point:
Not applicable; Gas.

Autoignition:
Nonflammable.

Flammable Limits - Lower:
Not applicable.

Flammable Limits - Upper:
Not applicable.

Extinguishing Media:
Carbon dioxide is nonflammable and does not support combustion. Carbon dioxide

is an extinguishing agent for class B and C fires. Use extinguishing media

appropriate for the surrounding fire.

Fire Fighting Instructions:
Evacuate personnel from danger area. Carbon dioxide is nonflammable. If

possible, without risk, remove carbon dioxide cylinders from fire area or cool with

water. Self-contained breathing apparatus may be required for rescue workers.

Fire And Explosion Hazards:
Upon exposure to intense heat or flame cylinder may vent rapidly and/or rupture

violently. Most cylinders are designed to vent contents when exposed to elevated

temperatures. Pressure in a container can build up due to heat and it may rupture if

pressure relief devices should fail to function.

Hazardous Combustion Products:
None known.

Sensitivity To Static Discharge:
None.

Sensitivity To Mechanical Impact:
None.
06. ACCIDENTAL RELEASE MEASURES

Steps to be taken is material is released
Evacuate all personnel from the affected area. Shut off source of carbon dioxide, if

or spilled:
possible without risk. Ventilate enclosed areas or remove cylinders to an outdoor

location. If leaking from cylinder or its valve, contact your supplier.
07. HANDLING AND STORAGE

Storage:
Store and use with adequate ventilation. Cylinders should be stored upright with

valve protection cap in place and firmly secured to prevent falling or being knocked

over. Protect cylinders from physical damage; do not drag, roll, slide or drop. Do

not allow storage area temperature to exceed 125F (52C). Full and empty

cylinders should be segregated. Use a first-in, first-out inventory system to prevent

full containers from being stored for long periods of time

Handling:
Use a suitable hand truck for cylinder movement. Never attempt to lift a cylinder

by its valve protection cap. Keep cylinders and their valves free from oil and

grease. Open valve slowly. If user experiences difficulty operating cylinder valve,

discontinue use and contact supplier. Never insert an object (e.g., wrench,

screwdriver, pry bar, etc.) into valve cap openings. Doing so may damage valve,

causing a leak to occur. Never strike an arc on a compressed gas cylinder or make

a cylinder a part of an electrical circuit. Use an adjustable strap wrench to remove

over-tight or rusted caps. For additional precautions in using oxygen see Section 16

- Other Information.
08. EXPOSURE CONTROLS - PERSONAL PROTECTION

Engineering Controls:

Ventilation:
Natural or mechanical to prevent accumulation in worker's breathing zone above

exposure limits. (See Section 2).

Personal Protective Equipment (PPE):

Glasses:
Safety glasses are recommended when handling cylinders.

Shoes:
Safety shoes are recommended when handling cylinders.

Gloves:
Work gloves are recommended when handling cylinders.

Respirator:
None required in general use.

Emergency Use:
Self-contained breathing apparatus (SCBA) or positive pressure airline with mask

are to be used in oxygen-deficient atmosphere. Respirators will not function.
09. PHYSICAL AND CHEMICAL PROPERTIES

Physical State:
Gas

Color:
Colorless

Odor:
Odorless

Molecular Weight:
44.01

Boiling Point:
-109.3F (-78.5C) @ 1 atm

Specific Gravity:
1.522 At 70F (21.1C) @ 1 atm, Air = 1

Freezing/Melting Point:
Not applicable Sublimation temperature is -109.3F (-78.5C) @ 1 atm

Vapor Pressure:
328 psig, (5778 kPa) at 70F

Vapor Density:
.1144 lb./cu ft (1.833kg/CuM), At 70F (21.1C) @ 1 atm

Water Solubility:
.9 Vol./Vol. At 68 F (20C) @ 1 atm

Expansion Ratio:
Not Applicable - Gas

pH:
3.7 at 1 atm (for carbonic acid)

Odor Threshold:
Not Applicable - Gas

Evaporation Rate:
Not Applicable - Gas

Coefficient Of Water/Oil Distribution:
Information not available
10. STABILITY AND REACTIVITY

Chemical Stability:
Stable

Conditions To Avoid:
None.

Incompatibility With Other Materials:
Carbon dioxide will react with alkaline materials to form carbonates and

bicarbonates.

Hazardous Decomposition Products:
Carbon monoxide and oxygen at temperatures above 3000F (1648.9C).

Hazardous Polymerization:
Will not occur
11. TOXICOLOGICAL INFORMATION

Caution:
Carbon dioxide is an asphyxiant. It initially stimulates respiration and then causes

respiratory depression. High concentrations result in narcosis. Symptoms in

humans are as follows:



EFFECT CONCENTRATION



Slight increase in breathing rate. 1%



Breathing rate increases to 50% above normal level. 2%

Prolonged exposure can cause headache, tiredness.



Breathing increases to twice normal rate and becomes 3%

labored. Weak narcotic effect. Impaired hearing, headache,

increase in blood pressure and pulse rate.



Breathing increases to approximately four times normal rate, 4-5%

symptoms of intoxication become evident and slight choking

may be felt.



Characteristic sharp odor noticeable. Very labored breathing, 5-10%

headache, visual impairment and ringing in the ears. Judgment

may be impaired, followed within minutes by loss of consciousness.


Unconsciousness occurs more rapidly above 10% level. 50-100%

Prolonged exposure to high concentrations may eventually result

Irritancy Of Material:
None.

Reproductive Effects:
None.

Teratogenicity:
None.

Synergistic Materials:
None.

Sensitization To Material:
None.

Mutagenicity:
None.
12. ECOLOGICAL INFORMATION

ECOTOXICITY:
No adverse ecological effects are expected. Carbon dioxide does not contain any

Class I or Class II Ozone depleting chemicals (40 CFR Part 82). Carbon dioxide is

not listed as a marine pollutant by DOT (49 CFR Part 171).
13. DISPOSAL CONSIDERATIONS

Waste Disposal Method:
Do not attempt to dispose of residual or unused quantities. Return cylinder to

supplier.

For emergency disposal, discharge slowly to the atmosphere in a well ventilated

area or outdoors.
14. TRANSPORT INFORMATION

DOT/IMO Shipping Name:
Carbon dioxide

Hazard Class:
2.2 (NonFlammable gas.)

Identification Number:
UN 1013

PIN:
1013

Product RQ:
None.

Shipping Label:
Nonflammable Gas

Placard (When Required):
Nonflammable Gas.

Special Shipping Information:
Cylinders should be transported in a secure position, in a well ventilated vehicle.

The transportation of compressed gas cylinders in automobiles or in closed-body

vehicles can present serious hazards and should be discouraged.

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