Material Safety Data Sheet
n-Heptane
Section 1. Chemical product and company identification
: n-Heptane
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
: dipropyl methane; eptani (italian); heptan (polish); n-heptane; heptane (dot); heptanen
Synonym
(dutch); heptyl hydride; dipropal methane; eptani (italian); heptan (polish); n-heptane;
neptanen (dutch); normal heptane; heptane (n-heptane)
: Other non specified industry: STANDARD FOR OCTANE RATING DETERMINATIONS
Material uses
(PURE NORMAL HEPTANE HAS ZERO OCTANE NUMBER); ANESTHETIC; SOLVENT;
ORGANIC SYNTHESIS; PREPARATION OF LABORATORY REAGENTS.
: 001108
MSDS#
Date of : 8/21/2006.
Preparation/Revision
: 1-866-734-3438
In case of emergency
Section 2. Hazards identification
: Liquid. (COLORLESS WATERY LIQUID WITH A GASOLINE-LIKE ODOR)
Physical state
: Warning!
Emergency overview
CAUSES DAMAGE TO THE FOLLOWING ORGANS: RESPIRATORY TRACT, SKIN,
CENTRAL NERVOUS SYSTEM.
FLAMMABLE LIQUID AND VAPOR.
VAPOR MAY CAUSE FLASH FIRE.
Keep away from heat, sparks and flame. Keep container closed. Use only with
adequate ventilation.
: Dermal contact.
Routes of entry
Potential acute health effects
Irritating to eyes.
Eyes :
Irritating to skin.
Skin :
Irritating to respiratory system.
Inhalation :
Harmful if swallowed.
:
Ingestion
CARCINOGENIC EFFECTS Not available.
:
Potential chronic health :
MUTAGENIC EFFECTS Not available.
:
effects
TERATOGENIC EFFECTS Not available.
:
: Repeated or prolonged exposure is not known to aggravate medical condition.
Medical conditions
aggravated by overexposure
See toxicological Information (section 11)
Section 3. Composition, Information on Ingredients
United States
Exposure limits
heptane 142-82-5 100 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
n-Heptane
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
Section 4. First aid measures
: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes.
Eye contact
Get medical attention if irritation occurs.
: In case of contact, immediately flush skin with plenty of water. Remove contaminated
Skin contact
clothing and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse.
Get medical attention.
: 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 :
221.85掳C (431.3掳F)
Auto-ignition temperature :
Closed cup: -4.15掳C (24.5掳F).
Flash point :
Lower: 1.1% Upper: 6.7%
Flammable limits :
These products are carbon oxides (CO, CO 2).
Products of combustion :
In case of fire, use water spray (fog), foam, dry chemicals, or CO 2.
Fire fighting media and :
instructions
Flammable liquid and vapor. Vapor may cause flash fire. Vapors may accumulate in
low or confined areas, travel considerable distance to source of ignition and flash back.
Runoff to sewer may create fire or explosion 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. Eliminate all ignition sources. Keep
Personal precautions
unnecessary personnel away. Use suitable protective equipment (Section 8). Do not
touch or walk through spilled material.
Environmental precautions : Avoid dispersal of spilled material and runoff and contact with soil, waterways, drains
and sewers.
: 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) and use a non-
sparking or explosion proof means to transfer material to a sealed, appropriate 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
: Keep container closed. Use only with adequate ventilation. Keep away from heat,
Handling
sparks and flame. To avoid fire or explosion, dissipate static electricity during transfer by
grounding and bonding containers and equipment before transferring material. Use
explosion-proof electrical (ventilating, lighting and material handling) equipment.
: Store in a segregated and approved area. Keep container in a cool, well-ventilated area.
Storage
Keep container tightly closed and sealed until ready for use. Avoid all possible sources
of ignition (spark or flame).
n-Heptane
Section 8. Exposure Controls, Personal Protection
: Provide exhaust ventilation or other engineering controls to keep the airborne
Engineering controls
concentrations of vapors below their respective occupational exposure limits. Ensure
that eyewash stations and safety showers are proximal to the work-station location.
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.
: 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 : Splash goggles. Full suit. Vapor respirator. Boots. Gloves. A self-contained breathing
apparatus should be used to avoid inhalation of the product. Suggested protective
of a large spill
clothing might not be sufficient; consult a specialist BEFORE handling this product.
Product name Exposure limits
United States
heptane 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
Section 9. Physical and chemical properties
Liquid. (COLORLESS WATERY LIQUID WITH A GASOLINE-LIKE ODOR)
Physical state :
GASOLINE
Odor :
100.23 g/mole
Molecular weight :
C7-H16
Molecular formula :
98.34掳C (209掳F)
Boiling/condensation point :
-91.11掳C (-132掳F)
Melting/freezing point :
266.9掳C (512.4掳F)
Critical temperature :
0.6838 (Water = 1)
Specific gravity :
3.5 (Air = 1)
Vapor density :
3.18 compared to Butyl acetate.
Evaporation rate :
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
Incompatibility with various : Extremely reactive or incompatible with oxidizing agents.
substances
n-Heptane
Section 11. Toxicological information
Toxicity data
Ingredient name Test Result Route Species
heptane LC50 50242 ppm (1 Inhalation Rat
hour(s))
: 750 ppm
IDLH
Chronic effects on humans : Causes damage to the following organs: upper respiratory tract, skin, central nervous
system (CNS).
: 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
: These products are carbon oxides (CO, CO 2) and water.
Products of degradation
: The product itself and its products of degradation are not toxic.
Toxicity of the products of
biodegradation
Section 13. Disposal considerations
: The generation of waste should be avoided or minimized wherever possible. Avoid
Waste disposal
dispersal of spilled material and runoff and contact with soil, waterways, drains and
sewers. Disposal of this product, solutions and any by-products should at all times
comply with the requirements of environmental protection and waste disposal legislation
and any regional local authority requirements.
Consult your local or regional authorities.
Section 14. Transport information
Regulatory UN number Proper shipping Class Packing group Label Additional
information name information
DOT Classification UN1206 Heptanes 3 II -
FLAMMABLE LIQUID
3
TDG Classification UN1206 Heptanes 3 II Explosive
Limit and
Limited
3
Quantity
Index
1
Passenger
Carrying
Road or Rail
Index
5
UN1206 Heptanes 3 II -
Mexico
Classification FLAMMABLE LIQUID
3
n-Heptane
Section 15. Regulatory information
United States
: Flammable liquid
HCS Classification
Target organ effects
: TSCA 4(a) final test rules: heptane
U.S. Federal regulations
TSCA 8(a) PAIR: heptane
TSCA 8(b) inventory: heptane
TSCA 12(b) one time export: heptane
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
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: heptane:
Fire 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: 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.
: Pennsylvania RTK: heptane: (generic environmental hazard)
State regulations
Massachusetts RTK: heptane
New Jersey: heptane
Canada
: Class B-2: Flammable liquid with a flash point lower than 37.8掳C (100掳F).
WHMIS (Canada)
Class D-2B: Material causing other toxic effects (TOXIC).
CEPA DSL: heptane
Section 16. Other information
: CAUSES DAMAGE TO THE FOLLOWING ORGANS: RESPIRATORY TRACT, SKIN,
Label Requirements
CENTRAL NERVOUS SYSTEM.
FLAMMABLE LIQUID AND VAPOR.
VAPOR MAY CAUSE FLASH FIRE.
*1
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.)
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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