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Bis(1,5-cyclooctadiene)nickel(0)

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Origin: China

Cas No: 1295-35-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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

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CAS No.: 1295-35-8 Formula: C16H24Ni Molecular Weight: 275.05500

Description

Bis(cyclooctadiene)nickel(0) is the organometallic compound with the formula Ni(C8H12)2. This air-sensitive yellow solid is a common source of Ni(0) in chemical synthesis.
Ni(cod)2, as it is commonly abbreviated, is a diamagnetic coordination complex featuring tetrahedral nickel(0) bound to the alkene groups in two 1,5-cyclooctadiene ligands. The complex is prepared by reduction of anhydrous nickel(II) acetylacetonate in the presence of the diolefin:
1/3 [Ni3(acac)6] + 2 cod + 2 AlEt3 → Ni(cod)2 + 2 acacAlEt2 + C2H6 + C2H4
Ni(cod)2 is moderately soluble in benzene and THF. The cod ligands are easily displaced by phosphines, phosphites, and isocyanides.

Basic Info

Chemical Name	Bis(1,5-cyclooctadiene)nickel(0)
Synonyms	Bis(cyclooctadiene)nickel Ni(COD)2; (1Z,5Z)-cycloocta-1,5-diene,nickel;
CAS No.	1295-35-8
Molecular Formula	C16H24Ni
Molecular Weight	275.05500
PSA	0.00000
LogP	5.34560

Properties

Appearance & Physical State	Yellow solid
Boiling Point	153.5ºC at 760 mmHg
Melting Point	60ºC (dec.)
Flash Point	31.7ºC
Storage Condition	0-6ºC
Vapor Pressure	4.25mmHg at 25°C

Safety Info

RTECS	QR6135000
Hazard Class	4.2
Safety Statements	S53-S16-S45
WGK Germany	3
Packing Group	I
RIDADR	UN 1325
Risk Statements	R45; R11
Hazard Codes	F; T

Synthesis Route

(1,5-cyclooctadiene)(cyclopentadienyl)nickel→Bis(1,5-cyclooctadiene)nickel(0)+nickelocene
1-azabicyclo{2.2.2}octane-bis-(ethene)nickel(0)+→quinuclidine+Bis(1,5-cyclooctadiene)nickel(0)
dichloronickel,piperidin-1-ide+→Bis(1,5-cyclooctadiene)nickel(0)

Precursor

dichloronickel,piperidin-1-ide
bis[(N,N,N',N'-tetramethylethylenediamine)(η2-butadiene)](η2,η2-butadiene)nickel
tris(ethene)nickel(0)

Downstream Product

cis-but-2-ene
ethene
trans-but-2-ene
Nickelous acetate

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