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CAS Number: 629-20-9

06-0350
Carbon › Cyclooctatetraene, 98% COT
CAS Number: 629-20-9
MDL Number: MFCD00004161
Molecular Formula: C8H8
Molecular Weight: 104.15
Chemical Formula: C8H8
Color and Form: pale yellow liq.
Note: Inhibited with 0.1% hydroquinone.

Stability: air sensitive, store cold

Safety: Hazardous

Physical Characteristics: boiling point 142-143°C, flash point 73°F, density 0.943

06-0350

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Download This MSDS
SECTION 1: Product Identification
Chemical Name: Cyclooctatetraene, 98% COT
Product Number: 06-0350
CAS Registry Number: 629-20-9
Formula: C8H8
EINECS Number: 211-080-3
Chemical Family: organic compound
Synonym: COT, 1,3,5,7-Cyclooctatetraene
SECTION 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 629-20-9 100 no data no data
SECTION 3: Hazards Identification
Emergency Overview: May be irritating to skin, eyes and respiratory tract.
Primary Routes of Exposure: Ingestion, inhalation, 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 Effects: May be irritating to skin, eyes, and respiratory tract. May be harmful if swallowed.
Chronic Health Effects: No information available on long-term chronic effects.
NTP: No
IARC: No
OSHA: No
SECTION 4: First Aid Measures
Eye Exposure: Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure: Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation: Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Ingestion: Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.
SECTION 5: Fire Fighting Measures
Flash Point: 73°C
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: dry chemical, carbon dioxide, water, or foam.
Special Fire Fighting Procedures: Fire fighters should be equipped with a NIOSH approved positive pressure self-contained breathing apparatus and full protective clothing.
Hazardous Combustion and Decomposion Products: If involved in a fire this material may emit toxic organic fumes, carbon monoxide, and carbon dioxide.
Unusual Fire or Explosion Hazards: Flammable liquid. No unusual fire or explosion hazards.
SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Remove sources of ignition. Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and swept up.
SECTION 7: Handling and Storage
Handling and Storage: Store material in a cool dry place in a tightly sealed container in the absence of air. May form explosive peroxides if stored in contact with air.
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.
Respirator: If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Additional Protection: No additional protection required.
SECTION 9: Physical and Chemical Properties
Color and Form: pale yellow liquid
Molecular Weight: 104.15
Melting Point: -27°C
Boiling Point: 142-143°C
Vapor Pressure: 7.9mm (25°C)
Specific Gravity: 0.943
Odor: strong odor
Solubility in Water: insoluble
SECTION 10: Stability and Reactivity
Stability: air sensitive. May form peroxides. (store cold)
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: heat and ignition sources, distillation to dryness.
Incompatibility: oxidizing agents, may form explosive peroxides upon prolonged contact with air
Decomposition Products: carbon monoxide, carbon dioxide, and organic fumes.
SECTION 11: Toxicological Information
RTECS Data: No information available in the RTECS files.
Carcinogenic Effects: No data available
Mutagenic Effects: No data available
Tetratogenic Effects: No data available
SECTION 12: Ecological Information
Ecological Information: No information available
SECTION 13: Disposal Considerations
Disposal: Dispose of according to federal, state, and local regulations.
SECTION 14: Transportation
Shipping Name (CFR): Cyclooctatetraene
Hazard Class (CFR): 3
Additional Hazard Class (CFR): NA
Packaging Group (CFR): II
UN ID Number (CFR): UN# 2358
Shipping Name (IATA): Cyclooctatetraene
Hazard Class (IATA): 3
Additional Hazard Class (IATA): NA
Packaging Group (IATA): II
UN ID Number (IATA): UN# 2358
SECTION 15: Regulatory Information
TSCA: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed.
Second Ingredient: none
Third Ingredient: none
SECTION 16: Other Information
Disclaimer: The information herein is believed to be accurate and reliable as of the date compiled. However, Strem Chemicals, Inc. makes no representation, warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date: 8/31/2002
Revision Date: 7/27/2011

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