Material Safety Data Sheet
Flammable Liquid Mixture: N Butane 90-99% / Tert Butyl Alcohol (Tert-Butanol)
100ppm-10%
Section 1. Chemical product and company identification
: Flammable Liquid Mixture: N Butane 90-99% / Tert Butyl Alcohol (Tert-Butanol) 100ppm-
Product Name
10%
: AIRGAS INC., on behalf of its subsidiaries
Supplier
259 North Radnor-Chester Road
Suite 100
Radnor, PA 19087-5283
1-610-687-5253
: 006721
MSDS#
Date of : 12/19/2006.
Preparation/Revision
: 1-866-734-3438
In case of emergency
Section 2. Hazards identification
: Liquid.
Physical state
: Warning!
Emergency overview
CONTAINS MATERIAL WHICH CAUSES DAMAGE TO THE FOLLOWING ORGANS:
RESPIRATORY TRACT, SKIN, CENTRAL NERVOUS SYSTEM, EYE, LENS OR
CORNEA.
|CONTENTS UNDER PRESSURE.
|FLAMMABLE.
: Dermal contact. Eye contact. Inhalation. Ingestion.
Routes of entry
Potential acute health effects
Irritating to eyes.
Eyes :
Irritating to skin.
Skin :
Irritating to respiratory system.
Inhalation :
Harmful if ingested.
:
Ingestion
CARCINOGENIC EFFECTS Classified A4 (Not classifiable for human or animal.) by
:
Potential chronic health :
ACGIH [2-methylpropan-2-ol].
effects
MUTAGENIC EFFECTS Not available.
:
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
Butane 106-97-8 90 - 99 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
2-methylpropan-2-ol 75-65-0 0.01 - 10 ACGIH TLV (United States, 1/2005). Notes:
1995-1996 Adoption. See Notice of
Intended changes.
TWA: 303 mg/m 3 8 hour(s). Form: All forms
TWA: 100 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 12/2001).
STEL: 450 mg/m 3 15 minute(s). Form: All
forms
Flammable Liquid Mixture: N Butane 90-99% / Tert Butyl Alcohol (Tert-Butanol) 100ppm-10%
STEL: 150 ppm 15 minute(s). Form: All
forms
TWA: 300 mg/m 3 10 hour(s). Form: All forms
TWA: 100 ppm 10 hour(s). Form: All forms
OSHA PEL (United States, 8/1997).
TWA: 300 mg/m 3 8 hour(s). Form: All forms
TWA: 100 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 breathing is difficult, give oxygen. If not breathing, give
Inhalation
artificial respiration. Get medical attention.
: 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 479.85癈 (895.7癋) (2-methylpropan-2-ol).
Auto-ignition temperature :
The lowest known value is Closed cup: 10.85癈 (51.5癋). (2-methylpropan-2-ol)
Flash point :
The greatest known range is Lower: 2.4% Upper: 8% (2-methylpropan-2-ol)
Flammable limits :
These products are carbon oxides (CO, CO 2).
Products of combustion :
Extremely flammable in presence of open flames, sparks and static discharge, of
Fire hazards in presence of :
oxidizing materials.
various substances
: Use an extinguishing agent suitable for surrounding fires.
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
Section 6. Accidental release measures
: Immediately contact emergency personnel. Keep unnecessary personnel away. Use
Personal precautions
suitable protective equipment (Section 8).
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) 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
: Wash thoroughly after handling.
Handling
|Extremely hazardous liquid and vapor under pressure.
: Keep container tightly closed. Keep container in a cool, well-ventilated area.
Storage
Flammable Liquid Mixture: N Butane 90-99% / Tert Butyl Alcohol (Tert-Butanol) 100ppm-10%
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
Butane 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
2-methylpropan-2-ol ACGIH TLV (United States, 1/2005). Notes: 1995-1996 Adoption. See
Notice of Intended changes.
TWA: 303 mg/m 3 8 hour(s). Form: All forms
TWA: 100 ppm 8 hour(s). Form: All forms
NIOSH REL (United States, 12/2001).
STEL: 450 mg/m 3 15 minute(s). Form: All forms
STEL: 150 ppm 15 minute(s). Form: All forms
TWA: 300 mg/m 3 10 hour(s). Form: All forms
TWA: 100 ppm 10 hour(s). Form: All forms
OSHA PEL (United States, 8/1997).
TWA: 300 mg/m 3 8 hour(s). Form: All forms
TWA: 100 ppm 8 hour(s). Form: All forms
Section 9. Physical and chemical properties
Liquid.
Physical state :
The lowest known value is 82.78癈 (181癋) (2-methylpropan-2-ol).
Boiling/condensation point :
May start to solidify at 25癈 (77癋) based on data for: 2-methylpropan-2-ol.
Melting/freezing point :
The lowest known value is 232.9癈 (451.2癋) (2-methylpropan-2-ol).
Critical temperature :
Weighted average: 0.61 (Water = 1)
Specific gravity :
The highest known value is 4.1 kPa (31 mm Hg) (at 20癈) (2-methylpropan-2-ol).
Vapor pressure :
The highest known value is 2.6 (Air = 1) (2-methylpropan-2-ol).
Vapor density :
0.95 (2-methylpropan-2-ol) compared to Butyl acetate.
Evaporation rate :
Flammable Liquid Mixture: N Butane 90-99% / Tert Butyl Alcohol (Tert-Butanol) 100ppm-10%
Section 10. Stability and reactivity
: The product is stable.
Stability and reactivity
Incompatibility with various : Extremely reactive or incompatible with oxidizing agents.
Reactive with metals, acids.
substances
Section 11. Toxicological information
Ingredient name Test Result Route Species
2-methylpropan-2-ol LD50 2743 mg/kg Oral Rat
LD50 3559 mg/kg Oral Rabbit
LC50 20000 ppm (1 Inhalation Rat
hour(s))
Chronic effects on humans : CARCINOGENIC EFFECTS Classified A4 (Not classifiable for human or animal.) by
:
ACGIH [2-methylpropan-2-ol].
Contains material which causes damage to the following organs: upper respiratory tract,
skin, central nervous system (CNS), eye, lens or cornea.
: Not considered to be toxic for humans.
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
2-methylpropan-2-ol Daphnia magna (EC50) 48 hour(s) 5504 mg/l
Pimephales promelas (LC50) 96 hour(s) 6410 mg/l
: 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 UN3161 Liquefied gas, 2.1 - -
flammable, n.o.s. FLAMMABLE GAS
2
TDG Classification UN3161 Liquefied gas, 2.1 - Explosive
flammable, n.o.s. Limit and
Limited
2
Quantity
Index
0.125
ERAP Index
3000
Flammable Liquid Mixture: N Butane 90-99% / Tert Butyl Alcohol (Tert-Butanol) 100ppm-10%
Passenger
Carrying Ship
Index
Forbidden
Passenger
Carrying
Road or Rail
Index
Forbidden
UN3161 Liquefied gas, 2.1 - -
Mexico
flammable, n.o.s.
Classification FLAMMABLE GAS
2
Section 15. Regulatory information
United States
: Target organ effects
HCS Classification
: TSCA 8(a) PAIR: 2-methylpropan-2-ol
U.S. Federal regulations
TSCA 8(b) inventory: Butane; 2-methylpropan-2-ol
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: Butane; 2-methylpropan-2-ol
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: Butane:
Fire hazard, Sudden Release of Pressure; 2-methylpropan-2-ol: 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: Butane
Clean air act (CAA) 112 regulated flammable substances: Butane
Clean air act (CAA) 112 regulated toxic substances: No products were found.
SARA 313
Product name CAS number Concentration
: 2-methylpropan-2-ol 75-65-0 0.01 - 10
Form R - Reporting
requirements
: 2-methylpropan-2-ol 75-65-0 0.01 - 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: Butane: (generic environmental hazard); 2-methylpropan-2-ol:
State regulations
(environmental hazard, generic environmental hazard)
Massachusetts RTK: Butane; 2-methylpropan-2-ol
New Jersey: Butane; 2-methylpropan-2-ol
Canada
: Class B-1: Flammable gas.
WHMIS (Canada)
Class D-2B: Material causing other toxic effects (TOXIC).
CEPA DSL: Butane; 2-methylpropan-2-ol
Flammable Liquid Mixture: N Butane 90-99% / Tert Butyl Alcohol (Tert-Butanol) 100ppm-10%
Section 16. Other information
: CONTAINS MATERIAL WHICH CAUSES DAMAGE TO THE FOLLOWING ORGANS:
Label Requirements
RESPIRATORY TRACT, SKIN, CENTRAL NERVOUS SYSTEM, EYE, LENS OR
CORNEA.
|CONTENTS UNDER PRESSURE.
|FLAMMABLE.
*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.
|