Material Safety Data Sheet
Nonflammable Gas Mixture: Chlorobenzene 10ppm-1% / Nitrogen 99%
Section 1. Chemical product and company identification
: Nonflammable Gas Mixture: Chlorobenzene 10ppm-1% / Nitrogen 99%
Product Name
: AIRGAS INC., on behalf of its subsidiaries
Supplier
259 North Radnor-Chester Road
Suite 100
Radnor, PA 19087-5283
1-610-687-5253
: Synthetic/Analytical chemistry.
Product use
: 007793
MSDS#
: 1/2/2008.
Date of
Preparation/Revision
: 1-866-734-3438
In case of emergency
Section 2. Hazards identification
: Gas.
Physical state
: Warning!
Emergency overview
CONTENTS UNDER PRESSURE.
CAUSES SEVERE EYE AND SKIN IRRITATION.
CAUSES RESPIRATORY TRACT IRRITATION.
MAY BE HARMFUL IF SWALLOWED.
CONTAINS MATERIAL WHICH MAY CAUSE DAMAGE TO THE FOLLOWING
ORGANS: LIVER, RESPIRATORY TRACT, SKIN, CENTRAL NERVOUS SYSTEM,
EYE, LENS OR CORNEA.
Do not ingest. Avoid contact with skin and clothing. Avoid breathing gas. Do not
puncture or incinerate container. Keep container closed. Use only with adequate
ventilation. Wash thoroughly after handling.
Contact with rapidly expanding gases can cause frostbite.
: Inhalation,Dermal,Eyes
Routes of entry
Potential acute health effects
Severely irritating to the eyes.
Eyes :
Severely irritating to the skin.
Skin :
Irritating to respiratory system.
Inhalation :
Ingestion is not a normal route of exposure for gases
:
Ingestion
CARCINOGENIC EFFECTS Classified A3 (Proven for animal.) by ACGIH
:
Potential chronic health :
[chlorobenzene].
effects
MUTAGENIC EFFECTS Not available.
:
TERATOGENIC EFFECTS Not available.
:
: Repeated exposure to a highly toxic material may produce general deterioration of health
Medical conditions
aggravated by overexposure by an accumulation in one or many human organs.
See toxicological Information (section 11)
Section 3. Composition, Information on Ingredients
Name CAS number % Volume Exposure limits
Nitrogen 7727-37-9 99
Chlorobenzene 108-90-7 0.001 - 1 ACGIH TLV (United States, 1/2007).
TWA: 10 ppm 8 hour(s).
OSHA PEL (United States, 11/2006).
TWA: 75 ppm 8 hour(s).
ACGIH TLV (United States, 1/2007).
TWA: 46 mg/m 3 8 hour(s).
OSHA PEL (United States, 11/2006).
TWA: 350 mg/m 3 8 hour(s).
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Nonflammable Gas Mixture: Chlorobenzene 10ppm-1% / Nitrogen 99%
Section 4. First aid measures
No action shall be taken involving any personal risk or without suitable training.If fumes are still suspected to be present,
the rescuer should wear an appropriate mask or a self-contained breathing apparatus.It may be dangerous to the person
providing aid to give mouth-to-mouth resuscitation.
: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes.
Eye contact
Get medical attention immediately.
: In case of contact, immediately flush skin with plenty of water for at least 15 minutes
Skin contact
while removing contaminated clothing and shoes. Wash clothing before reuse.
Thoroughly clean shoes before reuse. Get medical attention immediately.
: Try to warm up the frozen tissues and seek medical attention.
Frostbite
: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is
Inhalation
difficult, give oxygen. Get medical attention immediately.
: Do NOT induce vomiting unless directed to do so by medical personnel. Never give
Ingestion
anything by mouth to an unconscious person. Get medical attention.
Section 5. Fire fighting measures
Flammability of the product : Non-flammable.
: These products are carbon oxides (CO, CO 2), nitrogen oxides (NO, NO 2...), halogenated
Products of combustion
compounds, hydrogen chloride.
: Use an extinguishing agent suitable for surrounding fires.
Fire fighting media and
instructions
If involved in fire, shut off flow immediately if it can be done without risk. Apply water
from a safe distance to cool container and protect surrounding area.
No specific hazard.
: Fire fighters should wear appropriate protective equipment and self-contained breathing
Special protective
apparatus (SCBA) with a full facepiece operated in positive pressure mode.
equipment for fire-fighters
Section 6. Accidental release measures
: Immediately contact emergency personnel. Keep unnecessary personnel away. Use
Personal precautions
suitable protective equipment (Section 8). Shut off gas supply if this can be done safely.
Isolate area until gas has dispersed.
Environmental precautions : Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains
and sewers.
Section 7. Handling and storage
: Do not ingest. Avoid contact with eyes, skin and clothing. Keep container closed. Use
Handling
only with adequate ventilation. Do not puncture or incinerate container. Wash
thoroughly after handling. High pressure gas. Use equipment rated for cylinder
pressure. Close valve after each use and when empty. Protect cylinders from physical
damage; do not drag, roll, slide, or drop. Use a suitable hand truck for cylinder
movement.
: Keep container tightly closed. Keep container in a cool, well-ventilated area. Cylinders
Storage
should be stored upright, with valve protection cap in place, and firmly secured to
prevent falling or being knocked over. Cylinder temperatures should not exceed 52 癈
(125 癋).
Section 8. Exposure Controls, Personal Protection
: Use only with adequate ventilation. If user operations generate dust, fumes, vapor or
Engineering controls
mist, use process enclosures, local exhaust ventilation, or other engineering controls to
keep worker exposure to airborne contaminants below any recommended or statutory
limits.
Personal protection
: Safety eyewear complying with an approved standard should be used when a risk
Eyes
assessment indicates this is necessary to avoid exposure to liquid splashes, mists or
dusts.
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Nonflammable Gas Mixture: Chlorobenzene 10ppm-1% / Nitrogen 99%
: Personal protective equipment for the body should be selected based on the task being
Skin
performed and the risks involved and should be approved by a specialist before handling
this product.
: Use a properly fitted, air-purifying or air-fed respirator complying with an approved
Respiratory
standard if a risk assessment indicates this is necessary.Respirator selection must be
based on known or anticipated exposure levels, the hazards of the product and the safe
working limits of the selected respirator.
The applicable standards are (US) 29 CFR 1910.134 and (Canada) Z94.4-93
: Chemical-resistant, impervious gloves or gauntlets complying with an approved standard
Hands
should be worn at all times when handling chemical products if a risk assessment
indicates this is necessary.
Personal protection in case : A self-contained breathing apparatus should be used to avoid inhalation of the product.
of a large spill
Consult local authorities for acceptable exposure limits.
Section 9. Physical and chemical properties
Not applicable.
Molecular weight :
Not applicable.
Molecular formula :
Not available.
Boiling/condensation point :
-210癈 (-346癋) based on data for: nitrogen.
Melting/freezing point :
The lowest known value is -146.9癈 (-232.4癋) (nitrogen).
Critical temperature :
The highest known value is 0.967 (Air = 1) (nitrogen).
Vapor density :
Specific Volume (ft3/lb) Not applicable.
:
Gas Density (lb/ft3) Weighted average: 0.07
:
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
: These products are halogenated compounds, hydrogen chloride.
Hazardous decomposition
products
Section 11. Toxicological information
Ingredient name Test Result Route Species
Chlorobenzene LD50 1110 mg/kg Oral Rat
LD50 2250 mg/kg Oral Rabbit
LD50 2250 mg/kg Oral Guinea pig
: CARCINOGENIC EFFECTS Classified A3 (Proven for animal.) by ACGIH
:
Chronic effects on humans
[chlorobenzene].
Contains material which may cause damage to the following organs: liver, upper
respiratory tract, skin, central nervous system (CNS), eye, lens or cornea.
: No specific information is available in our database regarding the other toxic effects of
Other toxic effects on
this material for humans.
humans
Specific effects
: No known significant effects or critical hazards.
Carcinogenic effects
: No known significant effects or critical hazards.
Mutagenic effects
: No known significant effects or critical hazards.
Reproduction toxicity
Section 12. Ecological information
Ingredient name Species Period Result
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Nonflammable Gas Mixture: Chlorobenzene 10ppm-1% / Nitrogen 99%
Chlorobenzene Selenastrum capricornutum 48 hour(s) 239 mg/l
(EC50)
Lepomis macrochirus (LC50) 96 hour(s) 4.5 mg/l
Oncorhynchus mykiss (LC50) 96 hour(s) 4.7 mg/l
Lepomis macrochirus (LC50) 96 hour(s) 7.4 mg/l
Oncorhynchus mykiss (LC50) 96 hour(s) 7.46 mg/l
Pimephales promelas (LC50) 96 hour(s) 7.7 mg/l
: These products are carbon oxides (CO, CO 2) and water, nitrogen oxides (NO, NO 2...),
Products of degradation
halogenated compounds.
: The products of degradation are as toxic as the product itself.
Toxicity of the products of
biodegradation
: Not available.
Environmental fate
: No known significant effects or critical hazards.
Environmental hazards
Toxicity to the environment : Not available.
Section 13. Disposal considerations
Product removed from the cylinder must be disposed of in accordance with appropriate Federal, State, local
regulation.Return cylinders with residual product to Airgas, Inc.Do not dispose of locally.
Section 14. Transport information
Regulatory UN number Proper shipping Class Packing group Label Additional
information name information
DOT Classification UN1956 COMPRESSED GAS, 2.2 Not applicable (gas). -
N.O.S. NON-FLAMMABLE GAS
2
TDG Classification UN1956 COMPRESSED GAS, 2.2 Not applicable (gas). Explosive
N.O.S. Limit and
Limited
2
Quantity
Index
0.125
Passenger
Carrying
Road or Rail
Index
75
UN1956 COMPRESSED GAS, 2.2 Not applicable (gas). -
Mexico
N.O.S.
Classification NON-FLAMMABLE GAS
2
Section 15. Regulatory information
United States
: TSCA 4(a) final test rules: chlorobenzene
U.S. Federal regulations
TSCA 8(a) PAIR: chlorobenzene
TSCA 8(b) inventory: nitrogen; chlorobenzene
TSCA 12(b) one time export: chlorobenzene
SARA 302/304/311/312 extremely hazardous substances: No products were found.
SARA 302/304 emergency planning and notification: No products were found.
SARA 302/304/311/312 hazardous chemicals: nitrogen; chlorobenzene
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: nitrogen:
Sudden Release of Pressure; chlorobenzene: Fire hazard, Immediate (Acute) Health
Hazard, Delayed (Chronic) Health Hazard
Clean Water Act (CWA) 307: chlorobenzene
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Nonflammable Gas Mixture: Chlorobenzene 10ppm-1% / Nitrogen 99%
Clean Water Act (CWA) 311: chlorobenzene
Clean air act (CAA) 112 accidental release prevention: No products were found.
Clean air act (CAA) 112 regulated flammable substances: No products were found.
Clean air act (CAA) 112 regulated toxic substances: No products were found.
SARA 313
Product name CAS number Concentration
: Chlorobenzene 108-90-7 0.001 - 1
Form R - Reporting
requirements
: Chlorobenzene 108-90-7 0.001 - 1
Supplier notification
SARA 313 notifications must not be detached from the MSDS and any copying and redistribution of the MSDS shall
include copying and redistribution of the notice attached to copies of the MSDS subsequently redistributed.
: Pennsylvania RTK: nitrogen: (generic environmental hazard); chlorobenzene:
State regulations
(environmental hazard, generic environmental hazard)
Massachusetts RTK: nitrogen; chlorobenzene
New Jersey: nitrogen; chlorobenzene
Canada
: Class A: Compressed gas.
WHMIS (Canada)
Class D-1B: Material causing immediate and serious toxic effects (TOXIC).
Class D-2B: Material causing other toxic effects (TOXIC).
CEPA DSL: nitrogen; chlorobenzene
Section 16. Other information
United States
: CONTENTS UNDER PRESSURE.
Label Requirements
CAUSES SEVERE EYE AND SKIN IRRITATION.
CAUSES RESPIRATORY TRACT IRRITATION.
MAY BE HARMFUL IF SWALLOWED.
CONTAINS MATERIAL WHICH MAY CAUSE DAMAGE TO THE FOLLOWING
ORGANS: LIVER, RESPIRATORY TRACT, SKIN, CENTRAL NERVOUS SYSTEM,
EYE, LENS OR CORNEA.
Canada
: Class A: Compressed gas.
Label Requirements
Class D-1B: Material causing immediate and serious toxic effects (TOXIC).
Class D-2B: Material causing other toxic effects (TOXIC).
*2
Hazardous Material : Health
Information System (U.S.A.) 0
Fire hazard
0
Reactivity
C
Personal protection
National Fire Protection :
Flammability
0
Association (U.S.A.)
2 0
Health Instability
Special
Notice to reader
To the best of our knowledge, the information contained herein is accurate. However, neither the above named
supplier nor any of its subsidiaries assumes any liability whatsoever for the accuracy or completeness of the
information contained herein.
Final determination of suitability of any material is the sole responsibility of the user. All materials may present
unknown hazards and should be used with caution. Although certain hazards are described herein, we cannot
guarantee that these are the only hazards that exist.
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