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1,5-Cyclooctadiene

CAS No.
111-78-4
Chemical Name:
1,5-Cyclooctadiene
Synonyms
COD;Cycloocta-1,5-diene;1,5-COD;CIS,CIS-1,5-CYCLOOCTADIENE;1,5-CycL;ooctadiene;1,5-CYCLOOCTADIENE;1.5-cyclooctandiene;1,5-Cyclooctanediene;Cyclooctadiene, 1,5-
CBNumber:
CB7852853
Molecular Formula:
C8H12
Molecular Weight:
108.18
MDL Number:
MFCD00001752
MOL File:
111-78-4.mol
MSDS File:
SDS
Last updated:2023-12-26 11:30:52

1,5-Cyclooctadiene Properties

Melting point -69 °C (lit.)
Boiling point 149-150 °C (lit.)
Density 0.882 g/mL at 25 °C (lit.)
vapor pressure 25.8 mm Hg ( 37.7 °C)
refractive index n20/D 1.493
Flash point 89 °F
storage temp. 2-8°C
solubility soluble in Chloroform
form Liquid
color Clear colorless
Odor Threshold 0.00084ppm
Water Solubility 780 mg/L (20 ºC)
BRN 2036542
Stability Stable. Flammable.
LogP 3.16 at 20℃
CAS DataBase Reference 111-78-4(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 1E1VVD385Z
NIST Chemistry Reference 1,5-Cyclooctadiene(111-78-4)
EPA Substance Registry System 1,5-Cyclooctadiene (111-78-4)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS02,GHS07,GHS08,GHS09
Signal word  Danger
Hazard statements  H226-H302+H332-H304-H410
Precautionary statements  P210-P233-P273-P301+P310-P304+P340+P312-P331
Hazard Codes  Xn,N,Xi
Risk Statements  10-36/38-42/43-65-50/53-22-43-19-20/22-52/53-36/37/38
Safety Statements  26-36-61-60-16-37/39
RIDADR  UN 2520 3/PG 3
WGK Germany  3
RTECS  GX9620000
10-23
Autoignition Temperature 431 °F
HazardClass  3.2
PackingGroup  III
HS Code  29021990
NFPA 704
3
0

1,5-Cyclooctadiene price More Price(28)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 246050 1,5-Cyclooctadiene purified by redistillation, ≥99% 111-78-4 100ml $62 2024-03-01 Buy
Sigma-Aldrich 246050 1,5-Cyclooctadiene purified by redistillation, ≥99% 111-78-4 800ml $335 2024-03-01 Buy
TCI Chemical C0503 1,5-Cyclooctadiene [stabilized with Octadecyl 3-(3',5'-Di-tert-butyl-4'-hydroxyphenyl)propionate] >98.0%(GC) 111-78-4 25mL $23 2024-03-01 Buy
TCI Chemical C0503 1,5-Cyclooctadiene [stabilized with Octadecyl 3-(3',5'-Di-tert-butyl-4'-hydroxyphenyl)propionate] >98.0%(GC) 111-78-4 100mL $35 2024-03-01 Buy
Alfa Aesar B21196 cis,cis-1,5-Cyclooctadiene, 99% stab. with 50-200ppm Irganox 1076 111-78-4 250ml $32 2023-06-20 Buy
Product number Packaging Price Buy
246050 100ml $62 Buy
246050 800ml $335 Buy
C0503 25mL $23 Buy
C0503 100mL $35 Buy
B21196 250ml $32 Buy

1,5-Cyclooctadiene Chemical Properties,Uses,Production

Chemical Properties

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.

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.

Chemical Properties

colourless liquid

Uses

Cycloocta-1,5-diene is produced from petroleum distillation fractions and is used as an intermediate in the plastics industry, as a synthetic lubricant, and in numerous other applications.

Synthesis Reference(s)

Tetrahedron Letters, 24, p. 3913, 1983 DOI: 10.1016/S0040-4039(00)94312-0

Carcinogenicity

None of the components present in this material at concentrations of 0.1% are listed by IARC, NTP, or OSHA as a carcinogen.

Purification Methods

Purify it by GLC. It has been purified via the AgNO3 salt. This is prepared by shaking with a solution of 50% aqueous AgNO3 w/w several times (e.g. 3 x 50mLand4x50mL) at 70ofor ca 20minutes to get a good separation of layers. The upper layers are combined and further extracted with AgNO3 at 40o (2 x 20 mL). The upper layer (19 mL) of original hydrocarbon mixture gives colourless needles of the AgNO3 complex on cooling. The adduct is recrystallised from MeOH (and cooling to 0o). The hydrocarbon is recovered by steam distilling the salt. The distillate is extracted with Et2O, dried (MgSO4), filtered, evaporated and distilled. [Jones J Chem Soc 312 1954,[Beilstein 5 H 116, 5 IV 403.]

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View Lastest Price from 1,5-Cyclooctadiene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
COD pictures 2024-01-08 COD
US $6.00 / kg 1kg 99% 5000ton Wuhan Boyuan Import & Export Co., LTD
1,5-Cyclooctadiene pictures 2023-12-26 1,5-Cyclooctadiene
111-78-4
US $100.00-1.00 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
1,5-Cyclooctadiene pictures 2023-11-13 1,5-Cyclooctadiene
111-78-4
US $0.00 / KG 1KG 99% 50000KG/month Hebei Mojin Biotechnology Co., Ltd
  • COD pictures
  • COD
  • US $6.00 / kg
  • 99%
  • Wuhan Boyuan Import & Export Co., LTD
1,5-CYCLOOCTADIENE 1,5-CYCLOOCTADIENE, REDISTILLED, 99+% 1,5-Cyclooctadiene, stabilized, 97% CIS,CIS-1,5-CYCLOOCTADIENE , STABILIZED WITH 50-200PPM IRGANOX 1076 1,5-Cyclooctadiene [stabilized with Octadecyl 3-(3',5'-Di-tert-butyl-4'-hydroxyphenyl)propionate] Cyclooctadiene, 1,5- 1,5-Cyclooctanediene cis,cis-1,5-Cyclooctadiene: 99%, stabilized with 50-200ppm Irganox 1076 1,5-Cyclooctadiene,99%,stabilized 1,5-Cyclooctadiene ,98.5% [stabilized] [stabilized with Octadecyl 3-(3 ,5 -Di-tert-butyl-4 -hydroxyphenyl)propionate] 1,5-Cyclooctadiene  1,5-Cyclooctadiene, 99+%, stabilized, purified by redistillation, AcroSeal 1,5-Cyclooctadiene contains 50-150 ppM 4-tert-Butylcatechol, 99% 1,5-Cyclooctadiene purified by redistillation, >=99% 1,5-Cyclooctadiene(COD) 1,5-CYCLOOCTADIENE, 98+%1,5-CYCLOOCTADIENE, 98+%1,5-CYCLOOCTADIENE, 98+%1,5-CYCLOOCTADIENE, 98+% 1,5-Cyclooctadiene[stabilizedwithOctadecyl3-(3',5'-Di-tert-butyl-4'-hydroxyphenyl)propionate]> 1,5-CycL ooctadiene 1,5-Cyclooctadiene ISO 9001:2015 REACH (5Z)-cycloocta-1,5-diene Cycloocta-1,5-diene COD CIS,CIS-1,5-CYCLOOCTADIENE 1,5-COD 1.5-cyclooctandiene 1,5-Cyclooctadiene, stabilized with Octadecyl 3-(3',5'-Di-tert-butyl-4'-hydroxyphenyl)propionate,≥ 98.0% 111-78-4 Alkenes Building Blocks Cyclic Organic Building Blocks Alkenes Cyclic Organic Building Blocks