2-Methyl-2-Butene

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2-Methyl-2-Butene

amylene; amylene; ethylene, trimethyl; beta-150-amylene; 2-methyl-2-methyl-2-butene;methyl butene; trimethylene; 2-methyl-2-butene

001167

8/19/2011.

Material Safety Data Sheet

oduct name

pplier

nonym

case of emergency

ection 1. Chemical product and company identification

2-Methyl-2-Butene

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AIRGAS INC., on behalf of its subsidiaries259 North Radnor-Chester Road

Suite 100Radnor, PA 19087-52831-610-687-5253

1-866-734-3438

SDS #

te of eparation/Revision

Inhalation. Ingestion.

mergency overview

ection 2. Hazards identification

utes of entry

tential acute health effects

No known significant effects or critical hazards.

May cause eye irritation.

No known significant effects or critical hazards.

May cause skin irritation.

yes

kin

nhalation

ngestion

ysical state Liquid. [LIQUID]

e toxicological information (Section 11)

DANGER!

EXTREMELY FLAMMABLE LIQUID AND VAPOR. FLAMMABLE. VAPOR MAYCAUSE FLASH FIRE.

Extremely flammable liquid. Keep away from heat, sparks and flame. Avoid breathingvapor or mist. Avoid contact with skin and clothing. Use only with adequate ventilation.Keep container tightly closed and sealed until ready for use.

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edical conditionsgravated by over-posure

None known.:

methylbut-2-ene 513-35-9 100

ection 3. Composition, Information on Ingredients

Exposure limits

ited States

me CAS number % Volume

Wash out mouth with water. Do not induce vomiting unless directed to do so by medical

personnel. Never give anything by mouth to an unconscious person. Get medicalattention immediately.

Check for and remove any contact lenses. Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medicalattention immediately.

In case of contact, immediately flush skin with plenty of water for at least 15 minuteswhile removing contaminated clothing and shoes. Wash clothing before reuse. Cleanshoes thoroughly before reuse. Get medical attention immediately.

Move exposed person to fresh air. If not breathing, if breathing is irregular or if respiratory arrest occurs, provide artificial respiration or oxygen by trained personnel.Loosen tight clothing such as a collar, tie, belt or waistband. Get medical attentionimmediately.

ection 4. First aid measurese contact

in contact

halation

gestion

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Methyl-2-Butene

275°C (527°F)

Flammable.

Decomposition products may include the following materials:

carbon dioxidecarbon monoxide

Open cup: -45.15°C (-49.3°F).

Lower: 1.6% Upper: 8.7%

ection 5. Fire-fighting measures

ammability of the product

to-ignition temperature

ash point

ammable limits

oducts of combustion

Extremely flammable liquid. In a fire or if heated, a pressure increase will occur and thecontainer may burst, with the risk of a subsequent explosion. The vapor/gas is heavier than air and will spread along the ground. Vapors may accumulate in low or confined

areas or travel a considerable distance to a source of ignition and flash back. Runoff tosewer may create fire or explosion hazard.

ecial protectiveuipment for fire-fighters

Fire-fighters should wear appropriate protective equipment and self-contained breathingapparatus (SCBA) with a full face-piece operated in positive pressure mode.

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Use dry chemical, CO2, water spray (fog) or foam.

tinguishing media

Promptly isolate the scene by removing all persons from the vicinity of the incident if there is a fire. No action shall be taken involving any personal risk or without suitabletraining. Move containers from fire area if this can be done without risk. Use water spray to keep fire-exposed containers cool.

ecial exposure hazards :

Do not use water jet.

uitable :

ot suitable :

No action shall be taken involving any personal risk or without suitable training.Evacuate surrounding areas. Keep unnecessary and unprotected personnel fromentering. Do not touch or walk through spilled material. Shut off all ignition sources. Noflares, smoking or flames in hazard area. Avoid breathing vapor or mist. Provideadequate ventilation. Wear appropriate respirator when ventilation is inadequate. Puton appropriate personal protective equipment (see Section 8).

Stop leak if without risk. Move containers from spill area. Approach release fromupwind. Prevent entry into sewers, water courses, basements or confined areas. Washspillages into an effluent treatment plant or proceed as follows. Contain and collectspillage with non-combustible, absorbent material e.g. sand, earth, vermiculite or diatomaceous earth and place in container for disposal according to local regulations(see section 13). Use spark-proof tools and explosion-proof equipment. Dispose of viaa licensed waste disposal contractor. Contaminated absorbent material may pose thesame hazard as the spilled product. Note: see section 1 for emergency contactinformation and section 13 for waste disposal.

vironmental precautions

ection 6. Accidental release measures

: Avoid dispersal of spilled material and runoff and contact with soil, waterways, drainsand sewers. Inform the relevant authorities if the product has caused environmentalpollution (sewers, waterways, soil or air).

rsonal precautions :

ethods for cleaning up :

Put on appropriate personal protective equipment (see Section 8). Eating, drinking andsmoking should be prohibited in areas where this material is handled, stored andprocessed. Workers should wash hands and face before eating, drinking and smoking.Do not breathe vapor or mist. Do not ingest. Avoid contact with eyes, skin and clothing.Use only with adequate ventilation. Wear appropriate respirator when ventilation isinadequate. Do not enter storage areas and confined spaces unless adequatelyventilated. Keep in the original container or an approved alternative made from acompatible material, kept tightly closed when not in use. Store and use away from heat,sparks, open flame or any other ignition source. Use explosion-proof electrical(ventilating, lighting and material handling) equipment. Use non-sparking tools. Takeprecautionary measures against electrostatic discharges. To avoid fire or explosion,dissipate static electricity during transfer by grounding and bonding containers and

equipment before transferring material. Empty containers retain product residue andcan be hazardous. Do not reuse container.

ection 7. Handling and storagendling :



Methyl-2-Butene

Store in accordance with local regulations. Store in a segregated and approved area.Store in original container protected from direct sunlight in a dry, cool and well-ventilatedarea, away from incompatible materials (see section 10) and food and drink. Eliminateall ignition sources. Separate from oxidizing materials. Keep container tightly closedand sealed until ready for use. Containers that have been opened must be carefullyresealed and kept upright to prevent leakage. Do not store in unlabeled containers. Useappropriate containment to avoid environmental contamination.

orage :

methylbut-2-ene

ection 8. Exposure controls/personal protection

oduct name Exposure limits

Use a properly fitted, air-purifying or air-fed respirator complying with an approvedstandard if a risk assessment indicates this is necessary. Respirator selection must bebased on known or anticipated exposure levels, the hazards of the product and the safeworking limits of the selected respirator.

Safety eyewear complying with an approved standard should be used when a riskassessment indicates this is necessary to avoid exposure to liquid splashes, mists,gases or dusts.

Personal protective equipment for the body should be selected based on the task beingperformed and the risks involved and should be approved by a specialist before handlingthis product.

rsonal protection

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espiratory

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rsonal protection in casea large spill

: Self-contained breathing apparatus (SCBA) should be used to avoid inhalation of theproduct.

Chemical-resistant, impervious gloves complying with an approved standard should beworn at all times when handling chemical products if a risk assessment indicates this isnecessary.

ands :

ted States

gineering measures : Use only with adequate ventilation. Use process enclosures, local exhaust ventilation or other engineering controls to keep worker exposure to airborne contaminants below anyrecommended or statutory limits. The engineering controls also need to keep gas, vapor or dust concentrations below any lower explosive limits. Use explosion-proof ventilationequipment.

giene measures : Wash hands, forearms and face thoroughly after handling chemical products, beforeeating, smoking and using the lavatory and at the end of the working period. Appropriatetechniques should be used to remove potentially contaminated clothing. Washcontaminated clothing before reusing. Ensure that eyewash stations and safety showers

are close to the workstation location.

commended monitoringocedures

: If this product contains ingredients with exposure limits, personal, workplace atmosphereor biological monitoring may be required to determine the effectiveness of the ventilationor other control measures and/or the necessity to use respiratory protective equipment.

36.4°C (97.5°F)

Liquid. [LIQUID]

-134.2°C (-209.6°F)

0.7 (Water = 1)

2.42 (Air = 1)

53.3 kPa (400 mm Hg) (at 20°C)

70.15 g/moleDISAGREEABLE

iling/condensation point

elting/freezing point

ection 9. Physical and chemical properties

ysical state

olecular weight

ecific gravity

por pressure

por density

dor

C5H10olecular formula

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Methyl-2-Butene

The product is stable.

Highly reactive or incompatible with the following materials: oxidizing materials andacids.

Under normal conditions of storage and use, hazardous polymerization will not occur.

Under normal conditions of storage and use, hazardous decomposition products shouldnot be produced.

ection 10. Stability and reactivity

ability and reactivity

compatibility with variousbstances

zardous decompositionoducts

zardous polymerization

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ection 11. Toxicological information

ecific effects

arcinogenic effects No known significant effects or critical hazards.

Mutagenic effects No known significant effects or critical hazards.

eproduction toxicity No known significant effects or critical hazards.

No specific information is available in our database regarding the other toxic effects of this material to humans.

her toxic effects onmans

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ection 12. Ecological information

oducts of degradation :

uatic ecotoxicityot available.

Products of degradation: carbon oxides (CO, CO2) and water.

The generation of waste should be avoided or minimized wherever possible. Emptycontainers or liners may retain some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products viaa licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protectionand waste disposal legislation and any regional local authority requirements. Avoiddispersal of spilled material and runoff and contact with soil, waterways, drains and

sewers.

aste disposal

ection 13. Disposal considerations

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oduct removed from the cylinder must be disposed of in accordance with appropriate Federal, State, localgulation.Return cylinders with residual product to Airgas, Inc.Do not dispose of locally.

ection 14. Transport information

3 LimitedquantityYes.

PackaginginstructionPassenger aircraftQuantitylimitation: 5 L

Cargo aircraftQuantitylimitation: 60 L

SpecialprovisionsIB2, T7, TP1

OT Classification 2-METHYL-2-BUTENE

II

gulatoryormation

UN number Proper shippingname

Class Packing group Label Additionalinformation

UN2460



Methyl-2-Butene

G Classification 3UN2460 2-METHYL-2-BUTENE

II ExplosiveLimit andLimitedQuantityIndex1

Passenger Carrying Ship

IndexForbidden

Passenger CarryingRoad or RailIndex5

exicoassification

UN2460 2-METHYL-2-BUTENE

3 II LimitedquantityYes.

PackaginginstructionPassenger aircraftQuantitylimitation: 5 L

Cargo aircraftQuantitylimitation: 60 L

SpecialprovisionsIB2, T7, TP1

efer to CFR 49 (or authority having jurisdiction) to determine the information required for shipment of theoduct.”

Flammable liquidCS Classification

ection 15. Regulatory information

.S. Federal regulations

Connecticut Carcinogen Reporting: This material is not listed.Connecticut Hazardous Material Survey: This material is not listed.Florida substances: This material is not listed.Illinois Chemical Safety Act: This material is not listed.Illinois Toxic Substances Disclosure to Employee Act: This material is not listed.Louisiana Reporting: This material is not listed.Louisiana Spill: This material is not listed.

United States inventory (TSCA 8b): This material is listed or exempted.

Clean Water Act (CWA) 307: No products were found.

Clean Water Act (CWA) 311: 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.

tate regulations

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: 2-methylbut-2-ene

SARA 311/312 MSDS distribution - chemical inventory - hazard identification: 2-methylbut-2-ene: Fire hazard

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ited States



Methyl-2-Butene

Massachusetts Spill: This material is not listed.Massachusetts Substances: This material is listed.Michigan Critical Material: This material is not listed.Minnesota Hazardous Substances: This material is not listed.New Jersey Hazardous Substances: This material is not listed.New Jersey Spill: This material is not listed.New Jersey Toxic Catastrophe Prevention Act: This material is not listed.New York Acutely Hazardous Substances: This material is not listed.New York Toxic Chemical Release Reporting: This material is not listed.

Pennsylvania RTK Hazardous Substances: This material is listed.Rhode Island Hazardous Substances: This material is not listed.

CEPA Toxic substances: This material is not listed.Canadian ARET: This material is not listed.Canadian NPRI: This material is not listed.Alberta Designated Substances: This material is not listed.Ontario Designated Substances: This material is not listed.Quebec Designated Substances: This material is not listed.

WHMIS (Canada) Class B-2: Flammable liquid:

nada

ection 16. Other information

0

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tional Fire Protectionsociation (U.S.A.)

Health

Special

Instability

Flammability

EXTREMELY FLAMMABLE LIQUID AND VAPOR. FLAMMABLE. VAPOR MAY CAUSEFLASH FIRE.

bel requirements :

tice to reader

the best of our knowledge, the information contained herein is accurate. However, neither the above-namedpplier, nor any of its subsidiaries, assumes any liability whatsoever for the accuracy or completeness of theormation contained herein.

nal determination of suitability of any material is the sole responsibility of the user. All materials may presentknown hazards and should be used with caution. Although certain hazards are described herein, we cannotarantee that these are the only hazards that exist.

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zardous Materialormation System (U.S.A.)

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*Health

Flammability

Physical hazards

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2-Methyl-2-Butene