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cis,cis-1,5-Cyclooctadiene

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Origin: China

Cas No: 1552-12-1

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 1552-12-1 Formula: C8H12 Molecular Weight: 108.18100

Description

1,5-Cyclooctadiene is the organic compound with the chemical formula C8H12. Generally abbreviated COD, this diene is a useful precursor to other organic compounds and serves as a ligand in organometallic chemistry. It is a colorless liquid with a strong odor. 1,5-Cyclooctadiene can be prepared by dimerization of butadiene in the presence of a nickel catalyst, a coproduct being vinylcyclohexene. Approximately 10,000 tons were produced in 2005.

Basic Info

Chemical Name	cis,cis-1,5-Cyclooctadiene
Synonyms	1,5-CYCLOOCTADIENE;
CAS No.	1552-12-1
Molecular Formula	C8H12
Molecular Weight	108.18100
PSA	0.00000
LogP	2.67280

Properties

Density	0.88
Boiling Point	149-150ºC(lit.)
Melting Point	-69ºC(lit.)
Flash Point	89 °F
Refractive Index	n20/D 1.493
Storage Condition	2-8ºC
Vapor Pressure	4.25mmHg at 25°C

Safety Info

Safety Statements	S23-S26-S36/37/39-S45-S62
Packing Group	III
RIDADR	UN 2520 3/PG 3
Risk Statements	R10; R20/22; R36/38; R42/43; R65
Hazard Codes	Xn

Synthesis Route

phenylene-ethylene+buta-1,3-diene→cis,cis-1,5-Cyclooctadiene+1,5,9-Cyclododecatriene
buta-1,3-diene→cis,cis-1,5-Cyclooctadiene+1.3.7-OCTATRIENE
buta-1,3-diene→cis,cis-1,5-Cyclooctadiene+Vinylcyclohexane

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Administration onto the skin	Open irritation test	Rodent - mouse	100%/12D	-
Administration onto the skin	Standard Draize test	Rodent - rabbit	2640 mg	-
Administration onto the skin	Open irritation test	Rodent - rabbit	20 gm/31D (Intermittent)	-

Precursor

buta-1,3-diene
[8]annulene
cis-1,2-diethenylcyclobutane
cis,cis-1,4-cyclooctadiene

Downstream Product

1-(2-bromo-1,1,2,2-tetrafluoroethyl)-4-iodo-1,2,3,3a,4,5,6,6a-octahydropentalene
undeca-1,5-diene
2,6-diiodo-9-oxabicyclo[3.3.1]nonane
8-Bromo-1-octanol

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