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Home > Encyclopedia > 1,5-Cyclooctadiene

1,5-Cyclooctadiene

1,5-Cyclooctadiene structure

1,5-Cyclooctadiene 

structure

Description

1,5-Cyclooctadiene is the organic compound with the chemical formula C8H12.It is a colorless liquid with a strong odor. COD has a boiling point of 151°C and a vapor pressure of 6.8mm at 25°C. colourless liquid.


Liquid

1,5-Cyclooctadiene Basic Attributes

108.18

108.18

203-907-1

2520

DTXSID0026888

LIQUID

29021990

Characteristics

0 Ų

3.67

Clear colorless Liquid

0.8818 g/cm3 @ Temp: 25 °C

-70--69 °C

150.8 °C @ Press: 757 Torr

89 °F

n 20/D 1.493

780 mg/L (20 ºC)

2-8°C

25.8 mm Hg ( 37.7 °C)

3.66 (AIR= 1)

A BUTADIENE DIMER; DISTILLATION RANGE: 301-303 °F (TECHNICAL); 7.38 LB/GALLON

Safety Information

III

3.2

UN 2520 3/PG 3

3

10-36/38-42/43-65-50/53-22-43-19-20/22-52/53-36/37/38

26-36-61-60-16-37/39

GX9620000

Xn,N,Xi

Stable. Flammable.

Flammable - 3rd degree

|Warning|H226 (100%): Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P261, P264, P270, P271, P272, P273, P280, P301+P312, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P333+P313, P337+P313, P362, P363, P370+P378, P391, P403+P235, and P501|Aggregated GHS information provided by 142 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|Danger|H226: Flammable liquid and vapor [Warning Flammable liquids]|P210, P233, P240, P241, P242, P243, P260, P261, P264, P271, P272, P273, P280, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P314, P321, P333+P313, P337+P313, P363, P370+P378, P391, P403+P233, P403+P235, P405, and P501

WATER MAY BE INEFFECTIVE.

/GUIDE 130P: FLAMMABLE LIQUIDS (NON-POLAR/WATER-IMMISCIBLE/NOXIOUS)/ Fire or Explosion: HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames. Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers. Those substances designated with a "P" may polymerize explosively when heated or involved in a fire. Runoff to sewer may create fire or explosion hazard. Containers may explode when heated. Many liquids are lighter than water. /Cyclooctadienes/|/GUIDE 130P: FLAMMABLE LIQUIDS (NON-POLAR/WATER-IMMISCIBLE/NOXIOUS)/ Health: May cause toxic effects if inhaled or absorbed through skin. Inhalation or contact with material may irritate or burn skin and eyes. Fire will produce irritating, corrosive and/or toxic gases. Vapors may cause dizziness or suffocation. Runoff from fire control or dilution water may cause pollution. /Cyclooctadienes/|/GUIDE 130P: FLAMMABLE LIQUIDS (NON-POLAR/WATER-IMMISCIBLE/NOXIOUS)/ Public Safety: CALL Emergency Response Telephone Number ... . As an immediate precautionary measure, isolate spill or leak area for at least 50 meters (150 feet) in all directions. Keep unauthorized personnel away. Stay upwind. Keep out of low areas. Ventilate closed spaces before entering. /Cyclooctadienes/|/GUIDE 130P: FLAMMABLE LIQUIDS (NON-POLAR/WATER-IMMISCIBLE/NOXIOUS)/ Protective Clothing: Wear positive pressure self-contained breathing apparatus (SCBA). Structural firefighters' protective clothing will only provide limited protection. /Cyclooctadienes/|For more DOT Emergency Guidelines (Complete) data for 1,5-CYCLOOCTADIENE (8 total), please visit the HSDB record page.

No person may /transport,/ offer or accept a hazardous material for transportation in commerce unless that person is registered in conformance ... and the hazardous material is properly classed, described, packaged, marked, labeled, and in condition for shipment as required or authorized by ... /the hazardous materials regulations (49 CFR 171-177)./|The International Maritime Dangerous Goods Code lays down basic principles for transporting hazardous chemicals. Detailed recommendations for individual substances and a number of recommendations for good practice are included in the classes dealing with such substances. A general index of technical names has also been compiled. This index should always be consulted when attempting to locate the appropriate procedures to be used when shipping any substance or article.

| 0 - Materials that, under emergency conditions, would offer no hazard beyond that of ordinary combustible materials.| 3 - Liquids and solids that can be ignited under almost all ambient temperature conditions. Materials produce hazardous atmospheres with air under almost all ambient temperatures or, though unaffected by ambient temperatures, are readily ignited under almost all conditions.| 0 - Materials that in themselves are normally stable, even under fire conditions.

Drug Information

RATS AND RABBITS METABOLIZED 1,5-CYCLOOCTADIENE TO DIHYDROXYCYCLOOCTYLMERCAPTURIC ACIDS.

CYCLOOCTA-1,5-DIENE HAS ESSENTIALLY THE SAME TOXIC PROPERTIES AS DESCRIBED...FOR CYCLODODECA-1,5,9-TRIENE.

1,5-Cyclooctadiene Use and Manufacturing

Methods of Manufacturing

CATALYTIC DIMERIZATION OF BUTADIENE.

Uses

1,5-Cyclooctadiene is generally abbreviated COD, this diene is a useful precursor to other organic compounds and serves as a ligand in organometallic chemistry. 1,5-Cyclooctadiene can be prepared by dimerization of butadiene in the presence of a nickel catalyst, a coproduct being vinylcyclohexene. It is also a chemical intermediate in the production of Nylon.
Cycloocta-1,5-diene is produced from petroleum distillation fractions and is used as an intermediate in the plastics industry, a


Intermediates

GRADES: TECHNICAL 95%; 99%; 99.8 MOLE%.

All other basic organic chemical manufacturing|1,5-Cyclooctadiene: ACTIVE

Fire Hazards -> Flammable - 3rd degree

Computed Properties

Molecular Weight:108.18
XLogP3:3.2
Exact Mass:108.093900383
Monoisotopic Mass:108.093900383
Heavy Atom Count:8
Complexity:72.6
Undefined Bond Stereocenter Count:2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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