Material Safety Data Sheet
Flammable Liquid Mixture: Hexane / Methyl Cyclopentane / N Heptane / N Pentane
Section 1. Chemical product and company identification
: Flammable Liquid Mixture: Hexane / Methyl Cyclopentane / N Heptane / N Pentane
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
Product use :
: 006555
MSDS#
: ***.
Date of
Preparation/Revision
: 1-866-734-3438
In case of emergency
Section 2. Hazards identification
: Liquid.
Physical state
: Warning!
Emergency overview
Routes of entry :
Potential acute health effects
Slightly irritating to the eyes.
Eyes :
*** draft only ***
Slightly irritating to the skin.
Skin :
Inhalation :
:
Ingestion
CARCINOGENIC EFFECTS Not available.
:
Potential chronic health :
MUTAGENIC EFFECTS Not available.
:
effects
TERATOGENIC EFFECTS Not available.
:
Medical conditions :
aggravated by overexposure
See toxicological Information (section 11)
Section 3. Composition, Information on Ingredients
Name CAS number % Volume Exposure limits
n-Heptane 142-82-5 0.04 - 99 ACGIH TLV (United States, 1/2004).
STEL: 2050 mg/m 3 15 minute(s). Form: All
forms
STEL: 500 ppm 15 minute(s). Form: All
forms
TWA: 1640 mg/m 3 8 hour(s). Form: All forms
TWA: 400 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 12/2001).
CEIL: 1800 mg/m 3 15 minute(s). Form: All
forms
CEIL: 440 ppm 15 minute(s). Form: All
forms
TWA: 350 mg/m 3 10 hour(s). Form: All forms
TWA: 85 ppm 10 hour(s). Form: All forms
OSHA PEL (United States, 8/1997).
TWA: 2000 mg/m 3 8 hour(s). Form: All forms
TWA: 500 ppm 8 hour(s). Form: All forms
Pentane 109-66-0 0.06 - 99 ACGIH TLV (United States, 9/2004). Notes:
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Flammable Liquid Mixture: Hexane / Methyl Cyclopentane / N Heptane / N Pentane
1998 Adoption.
TWA: 600 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 6/2001).
CEIL: 1800 mg/m 3 15 minute(s). Form: All
forms
CEIL: 610 ppm 15 minute(s). Form: All
forms
TWA: 350 mg/m 3 10 hour(s). Form: All forms
TWA: 120 ppm 10 hour(s). Form: All forms
OSHA PEL (United States, 6/1993).
TWA: 2950 mg/m 3 8 hour(s). Form: All forms
TWA: 1000 ppm 8 hour(s). Form: All forms
Methyl Cyclopentane 96-37-7 1 - 99
Hexane 110-54-3 0.005 - 99 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
*** draft only ***
Get medical attention if irritation occurs.
: Wash with soap and water. Get medical attention if irritation develops.
Skin contact
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 immediately.
Section 5. Fire fighting measures
Flammability of the product :
The lowest known value is 221.85癈 (431.3癋) (heptane).
Auto-ignition temperature :
The lowest known value is Closed cup: -50.15癈 (-58.3癋). (Pentane)
Flash point :
The greatest known range is Lower: 1% Upper: 8.3% (methyl cyclopentane)
Flammable limits :
These products are carbon oxides (CO, CO 2).
Products of combustion :
Extremely flammable in presence of oxidizing materials.
Fire hazards in presence of :
various substances
Fire fighting media and :
instructions
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
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Flammable Liquid Mixture: Hexane / Methyl Cyclopentane / N Heptane / N Pentane
Section 6. Accidental release measures
Personal precautions :
Environmental precautions :
: If emergency personnel are unavailable, contain spilled material. For small spills add
Methods for cleaning up
absorbent (soil may be used in the absence of other suitable materials) scoop up
material and place in a sealed, liquid-proof container for disposal. For large spills dike
spilled material or otherwise contain material to ensure runoff does not reach a
waterway. Place spilled material in an appropriate container for disposal.
Section 7. Handling and storage
Handling :
Storage :
Section 8. Exposure Controls, Personal Protection
Engineering controls :
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.
*** draft only ***
: 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.
Consult local authorities for acceptable exposure limits.
Section 9. Physical and chemical properties
: Not applicable.
Molecular weight
: Not applicable.
Molecular formula
Boiling/condensation point : The lowest known value is 36.12癈 (97癋) (Pentane). Weighted average: 68.8癈
(155.8癋)
: May start to solidify at -91.11癈 (-132癋) based on data for: heptane. Weighted average:
Melting/freezing point
-125.39癈 (-193.7癋)
: The lowest known value is 196.6癈 (385.9癋) (Pentane).
Critical temperature
: The highest known value is 3.5 (Air = 1) (heptane). Weighted average: 2.97 (Air = 1)
Vapor density
3
Specific Volume (ft /lb) :
3
Gas Density (lb/ft ) :
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
Incompatibility with various : Extremely reactive or incompatible with oxidizing agents.
substances
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Flammable Liquid Mixture: Hexane / Methyl Cyclopentane / N Heptane / N Pentane
Section 11. Toxicological information
Ingredient name Test Result Route Species
n-Heptane LC50 50242 ppm (1 Inhalation Rat
hour(s))
Pentane LD50 400 mg/kg Oral Rat
Chronic effects on humans : Contains material which causes damage to the following organs: lungs, peripheral
nervous system, upper respiratory tract, skin, central nervous system (CNS), eye, lens or
cornea, nose/sinuses, throat.
: Hazardous in case of skin contact (irritant).
Other toxic effects on
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
Section 13. Disposal considerations
Product removed from the cylinder must be disposed of in accordance with appropriate Federal, State, local
*** draft only ***
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
Not applicable (gas).
DOT Classification
Not applicable (gas).
TDG Classification
Not applicable (gas).
Mexico
Classification
Section 15. Regulatory information
United States
: TSCA 4(a) final test rules: heptane; Pentane; n-hexane
U.S. Federal regulations
TSCA 8(a) PAIR: heptane; Pentane
TSCA 8(b) inventory: heptane; Pentane; methyl cyclopentane; n-hexane
TSCA 12(b) one time export: heptane; Pentane
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: heptane; Pentane; methyl cyclopentane;
n-hexane
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: heptane:
Fire hazard; Pentane: Fire hazard, Immediate (Acute) Health Hazard; methyl
cyclopentane: Fire hazard; 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.
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Flammable Liquid Mixture: Hexane / Methyl Cyclopentane / N Heptane / N Pentane
Clean air act (CAA) 112 accidental release prevention: Pentane
Clean air act (CAA) 112 regulated flammable substances: Pentane
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 - 99
Form R - Reporting
requirements
: Hexane 110-54-3 0.005 - 99
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: heptane: (generic environmental hazard); Pentane: (generic
State regulations
environmental hazard); methyl cyclopentane: (generic environmental hazard); n-hexane:
(generic environmental hazard)
Massachusetts RTK: heptane; Pentane; methyl cyclopentane; n-hexane
New Jersey: heptane; Pentane; methyl cyclopentane; n-hexane
Canada
: Class B-1: Flammable gas.
WHMIS (Canada)
Class D-1B: Material causing immediate and serious toxic effects (TOXIC).
Class D-2A: Material causing other toxic effects (VERY TOXIC).
Class D-2B: Material causing other toxic effects (TOXIC).
CEPA DSL: heptane; Pentane; methyl cyclopentane; n-hexane
Section 16. Other information
United States
: HARMFUL IF SWALLOWED.
Label Requirements
CONTAINS MATERIAL WHICH CAUSES DAMAGE TO THE FOLLOWING ORGANS:
LUNGS, PERIPHERAL NERVOUS SYSTEM, RESPIRATORY TRACT, SKIN, CENTRAL
*** draft only ***
NERVOUS SYSTEM, EYE, LENS OR CORNEA, NOSE, SINUSES, THROAT.
|CONTENTS UNDER PRESSURE.
|FLAMMABLE.
Canada
: Class B-1: Flammable gas.
Label Requirements
Class D-1B: Material causing immediate and serious toxic effects (TOXIC).
Class D-2A: Material causing other toxic effects (VERY TOXIC).
Class D-2B: Material causing other toxic effects (TOXIC).
*2
Hazardous Material : Health
Information System (U.S.A.)
3
Fire hazard
0
Reactivity
C
Personal protection
National Fire Protection :
Flammability
3
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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