Material Safety Data Sheet
Flammable Liquefied Gas Mixture: Hexane / Isobutane / Isopentane / Methyl
Cyclopentane / N Butane
Section 1. Chemical product and company identification
: Flammable Liquefied Gas Mixture: Hexane / Isobutane / Isopentane / Methyl Cyclopentane
Product Name
/ N Butane
: 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
: 006567
MSDS#
Date of : 11/7/2006.
Preparation/Revision
: 1-866-734-3438
In case of emergency
Section 2. Hazards identification
: Gas.
Physical state
: Warning!
Emergency overview
FLAMMABLE GAS.
CONTENTS UNDER PRESSURE.
CONTAINS MATERIAL WHICH CAUSES DAMAGE TO THE FOLLOWING ORGANS:
PERIPHERAL NERVOUS SYSTEM, RESPIRATORY TRACT, SKIN, CENTRAL
NERVOUS SYSTEM, EYE, LENS OR CORNEA, NOSE, SINUSES, THROAT.
VAPOR MAY CAUSE FLASH FIRE.
Keep away from heat, sparks and flame. Do not puncture or incinerate container. Keep
container closed. Use only with adequate ventilation.
Contact with rapidly expanding gases can cause frostbite.
: Inhalation,Dermal,Eyes
Routes of entry
Potential acute health effects
Slightly irritating to the eyes.
Eyes :
Slightly irritating to the skin.
Skin :
Slightly irritating to the respiratory system.
Inhalation :
Ingestion is not a normal route of exposure for gases
:
Ingestion
CARCINOGENIC EFFECTS Not available.
:
Potential chronic health :
MUTAGENIC EFFECTS Not available.
:
effects
TERATOGENIC EFFECTS Not available.
:
: Acute or chronic respiratory conditions may be aggravated by overexposure to this gas.
Medical conditions
aggravated by overexposure
See toxicological Information (section 11)
Section 3. Composition, Information on Ingredients
Name CAS number % Volume Exposure limits
Isopentane 78-78-4 60 - 99 ACGIH TLV (United States, 1/2004). Notes:
1998 Adoption.
TWA: 600 ppm 8 hour(s). Form: All forms
n-Butane 106-97-8 0.08 - 10 ACGIH TLV (United States, 1/2004). Notes:
ACGIH 2004 Adoption
TWA: 1000 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 6/2001).
TWA: 1900 mg/m 3 10 hour(s). Form: All
forms
TWA: 800 ppm 10 hour(s). Form: All forms
Methyl Cyclopentane 96-37-7 1 - 10
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Flammable Liquefied Gas Mixture: Hexane / Isobutane / Isopentane / Methyl Cyclopentane / N Butane
Isobutane 75-28-5 0.08 - 10 ACGIH TLV (United States, 1/2004). Notes:
ACGIH 2004 Adoption
TWA: 1000 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 6/2001).
TWA: 1900 mg/m 3 10 hour(s). Form: All
forms
TWA: 800 ppm 10 hour(s). Form: All forms
Hexane 110-54-3 0.005 - 10 ACGIH TLV (United States, 1/2004). Skin
Notes: 1998 Adoption. Substances for
which there is a Biological Exposure Index
or Indices
TWA: 50 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 12/2001).
TWA: 180 mg/m 3 10 hour(s). Form: All forms
TWA: 50 ppm 10 hour(s). Form: All forms
OSHA PEL (United States, 8/1997).
TWA: 1800 mg/m 3 8 hour(s). Form: All forms
TWA: 500 ppm 8 hour(s). Form: All forms
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 if irritation occurs.
: Wash with soap and water. Get medical attention if irritation develops.
Skin contact
: 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 if symptoms appear.
: 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 if symptoms
appear.
Section 5. Fire fighting measures
Flammable.
Flammability of the product :
The lowest known value is 286.85癈 (548.3癋) (Butane).
Auto-ignition temperature :
The lowest known value is Closed cup: -83.15癈 (-117.7癋). (Isobutane)
Flash point :
The greatest known range is Lower: 1.8% Upper: 8.4% (Butane)
Flammable limits :
These products are carbon oxides (CO, CO 2).
Products of combustion :
Highly flammable in presence of open flames, sparks and static discharge, of oxidizing
Fire hazards in presence of :
materials.
various substances
: In case of fire, use water spray (fog), foam, dry chemicals, or CO 2.
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.
Extremely flammable. Gas may accumulate in confined areas, travel considerable
distance to source of ignition and flash back causing fire or explosion.
: 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
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Flammable Liquefied Gas Mixture: Hexane / Isobutane / Isopentane / Methyl Cyclopentane / N Butane
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
: Keep container closed. Use only with adequate ventilation. Keep away from heat,
Handling
sparks and flame. To avoid fire, minimize ignition sources. Use explosion-proof
electrical (ventilating, lighting and material handling) equipment. Do not puncture or
incinerate container. 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. Use process enclosures, local exhaust ventilation, or
Engineering controls
other engineering controls to keep airborne levels below recommended exposure limits.
The engineering controls also need to keep gas, vapor or dust concentrations below any
explosive limits. Use explosion-proof ventilation equipment.
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.
: 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 :
-135.45癈 (-211.8癋) based on data for: Butane. Weighted average: -147.72癈
Melting/freezing point :
(-233.9癋)
The lowest known value is 134.9癈 (274.8癋) (Isobutane).
Critical temperature :
The highest known value is 2 (Air = 1) (Butane). Weighted average: 2 (Air = 1)
Vapor density :
Specific Volume (ft3/lb) Not applicable.
:
Gas Density (lb/ft3) Weighted average: 0.44
:
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Flammable Liquefied Gas Mixture: Hexane / Isobutane / Isopentane / Methyl Cyclopentane / N Butane
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
Incompatibility with various : Highly reactive with oxidizing agents.
substances
Section 11. Toxicological information
Chronic effects on humans : Contains material which causes damage to the following organs: peripheral nervous
system, upper respiratory tract, skin, central nervous system (CNS), eye, lens or cornea,
nose/sinuses, throat.
: 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
Hexane Pimephales promelas (LC50) 96 hour(s) 2.5 mg/l
: These products are carbon oxides (CO, CO 2) and water.
Products of degradation
: The products of degradation are less toxic than the product itself.
Toxicity of the products of
biodegradation
: Not available.
Environmental fate
: No known significant effects or critical hazards.
Environmental hazards
: Not available.
Toxicity to the environment
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 UN3161 Liquefied gas, 2.1 Not applicable (gas). -
flammable, n.o.s. FLAMMABLE GAS
2
TDG Classification UN3161 Liquefied gas, 2.1 Not applicable (gas). Explosive
flammable, n.o.s. Limit and
Limited
2
Quantity
Index
0.125
ERAP Index
3000
Passenger
Carrying Ship
Index
Forbidden
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Flammable Liquefied Gas Mixture: Hexane / Isobutane / Isopentane / Methyl Cyclopentane / N Butane
Passenger
Carrying
Road or Rail
Index
Forbidden
UN3161 Liquefied gas, 2.1 Not applicable (gas). -
Mexico
flammable, n.o.s.
Classification FLAMMABLE GAS
2
Section 15. Regulatory information
United States
: TSCA 4(a) final test rules: n-hexane
U.S. Federal regulations
TSCA 8(b) inventory: Isopentane; Butane; methyl cyclopentane; Isobutane; n-hexane
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: Isopentane; Butane; methyl cyclopentane;
Isobutane; n-hexane
SARA 311/312 MSDS distribution - chemical inventory - hazard identification:
Isopentane: Fire hazard; Butane: Fire hazard, Sudden Release of Pressure; methyl
cyclopentane: Fire hazard; Isobutane: Fire hazard, Sudden Release of Pressure;
n-hexane: Fire hazard, Immediate (Acute) Health Hazard, Delayed (Chronic) Health
Hazard
Clean Water Act (CWA) 307: No products were found.
Clean Water Act (CWA) 311: No products were found.
Clean air act (CAA) 112 accidental release prevention: Isopentane; Butane; Isobutane
Clean air act (CAA) 112 regulated flammable substances: Isopentane; Butane;
Isobutane
Clean air act (CAA) 112 regulated toxic substances: No products were found.
SARA 313
Product name CAS number Concentration
: Hexane 110-54-3 0.005 - 10
Form R - Reporting
requirements
: Hexane 110-54-3 0.005 - 10
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: Isopentane: (generic environmental hazard); Butane: (generic
State regulations
environmental hazard); methyl cyclopentane: (generic environmental hazard); Isobutane:
(generic environmental hazard); n-hexane: (generic environmental hazard)
Massachusetts RTK: Isopentane; Butane; methyl cyclopentane; Isobutane; n-hexane
New Jersey: Isopentane; Butane; methyl cyclopentane; Isobutane; n-hexane
Canada
: Class A: Compressed gas.
WHMIS (Canada)
Class D-2B: Material causing other toxic effects (TOXIC).
CEPA DSL: Isopentane; Butane; methyl cyclopentane; Isobutane; n-hexane
Section 16. Other information
United States
: FLAMMABLE GAS.
Label Requirements
CONTENTS UNDER PRESSURE.
CONTAINS MATERIAL WHICH CAUSES DAMAGE TO THE FOLLOWING ORGANS:
PERIPHERAL NERVOUS SYSTEM, RESPIRATORY TRACT, SKIN, CENTRAL
NERVOUS SYSTEM, EYE, LENS OR CORNEA, NOSE, SINUSES, THROAT.
VAPOR MAY CAUSE FLASH FIRE.
Canada
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Flammable Liquefied Gas Mixture: Hexane / Isobutane / Isopentane / Methyl Cyclopentane / N Butane
: Class A: Compressed gas.
Label Requirements
Class D-2B: Material causing other toxic effects (TOXIC).
*1
Hazardous Material : Health
Information System (U.S.A.) 4
Fire hazard
0
Reactivity
C
Personal protection
National Fire Protection :
Flammability
4
Association (U.S.A.)
1 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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