4,4-dimethylpent-2-yne

Synonym:4,4-Dimethyl-pent-2-yne

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Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title compound999-78-0100%no datano data

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Section 3: Hazards Identification
Emergency Overview:May be irritating to skin, eyes and respiratory tract. May be harmful if swallowed.
Primary Routes of Exposure:Ingestion, skin, eyes
Eye Contact:May cause slight to mild irritation of the eyes.
Skin Contact:May cause slight to mild irritation of the skin.
Inhalation:May be irritating to the nose, mucous membranes and respiratory tract.
Ingestion:No specific information is available on the physiological effects of ingestion.
Acute Health Affects:May be irritating to skin, eyes and respiratory tract. May be harmful if swallowed.
Chronic Health Affects:No information available on long-term chronic effects.
NTP:No
IARC:No
OSHA:No

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SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with soap and water. Remove contaminated clothes if necessary. Seek medical
Skin Exposure:
assistance if irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

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SECTION 5: Fire Fighting Measures
Flash Point:14°F
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:carbon dioxide, dry powder or foam
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion andIf involved in a fire this material may emit toxic organic fumes, carbon monoxide and carbon dioxide.
Decomposion Products:
Unusual Fire or Explosion Hazards: Highly flammable liquid. Formation of explosive air/vapor mixtures is possible.

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SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and
Spill and Leak Procedures:
swept up.

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SECTION 7: Handling and Storage
Handling and Storage:Store the material in a cool, dry, well ventilated place in a tightly sealed container.

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SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:If possible, handle the material in an efficient fume hood.
If ventilation is not available, a respirator should be worn. The use of respirators requires a Respiratory
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

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SECTION 9: Physical and Chemical Properties
Color and Form:Colorless liquid
Molecular Weight:96.17
Melting Point:no data
Boiling Point:83°C
Vapor Pressure:no data
Specific Gravity:no data
Odor:not determined
Solubility in Water:insoluble

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SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:No hazardous polymerization
Conditions to Avoid:contact with ignition sources including open flame and electrostatic discharge.
Incompatibility:strong oxidizing agents and halogens
Decomposition Products:carbon monoxide, carbon dioxide and organic fumes

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SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:No data
Mutagenic Effects:No data
Tetratogenic Effects:No data

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SECTION 12: Ecological Information
Ecological Information:No information available

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SECTION 13: Disposal Considerations
Disposal:Dispose of according to federal, state and local regulations.

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SECTION 14: Transportation
Shipping Name (CFR):Flammable liquids, N.O.S.
Hazard Class (CFR):3
Additional Hazard Class (CFR):NA
Packaging Group (CFR):II
UN ID Number (CFR):UN# 1993
Shipping Name (IATA):Flammable liquid, N.O.S.
Hazard Class (IATA):3
Additional Hazard Class (IATA):NA
Packaging Group (IATA):II
UN ID Number (IATA):UN# 1993

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SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory
SARA (Title 313):Title compound not listed
Second Ingredient:none

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SECTION 16 - ADDITIONAL INFORMATION
N/A