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55404-68-7

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  • High purity Iron CAS NO.55404-68-7 CAS NO.55404-68-7

    Cas No: 55404-68-7

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55404-68-7 Usage

General Description

Ferrocene is an organometallic compound consisting of a ferrous iron center sandwiched between two cyclopentadienyl anions. It is a bright orange solid with a unique "sandwich" structure that gives it remarkable stability and thermal resistance. Ferrocene has numerous industrial applications, particularly as a catalyst in organic synthesis and as an anti-knock additive in gasoline. It also has potential uses in medicine, such as in the development of novel drugs for the treatment of cancer and infectious diseases. With its versatile reactivity and stability, ferrocene continues to be an important compound in both academic research and commercial applications.

Check Digit Verification of cas no

The CAS Registry Mumber 55404-68-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,4,0 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 55404-68:
(7*5)+(6*5)+(5*4)+(4*0)+(3*4)+(2*6)+(1*8)=117
117 % 10 = 7
So 55404-68-7 is a valid CAS Registry Number.
InChI:InChI=1/2C5H5.Fe/c2*1-2-4-5-3-1;/h2*1-3H,4H2;/rC10H10Fe/c1-2-6-9(5-1)11-10-7-3-4-8-10/h1-5,7H,6,8H2

55404-68-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-[3-(4-butan-2-ylphenyl)-3-oxopropyl]-1,2-diphenylpyrazolidine-3,5-dione

1.2 Other means of identification

Product number -
Other names -

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

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More Details:55404-68-7 SDS

55404-68-7Relevant articles and documents

Synthesis and electrosynthesis of bis-silylated cyclopentadienylniobium(V) cationic complexes. Their reactions and structural characterization

Antinolo, Antonio,Fajardo, Mariano,Otero, Antonio,Mugnier, Yves,Nabaoui, Hassane,Mourad, Houssef

, p. 155 - 164 (1991)

Chemical oxidation of complexes Nb(η5-C5H4SiMe3)2X2, X = Cl (1), Br (2), I (3), with ferrocenium hexafluorophosphate in dichloromethane gives the cationic complexes 5-C5H4SiMe3)2X2>+ PF6-, X = Cl (4), Br (5

Reactions of Ferrocenium Hexafluorophosphate with P?OR Nucleophiles Give Ring C?H Functionalization or Ring Replacement Products Depending on the Phosphorus Reagent

Chamkin, Aleksandr A.,Krivykh, Vasily V.,Kreindlin, Arkady Z.,Dolgushin, Fedor M.,Ustynyuk, Nikolai A.

supporting information, p. 1601 - 1610 (2021/04/16)

Ferrocenium hexafluorophosphate reacts with different P?OR nucleophiles (PR3) in CH2Cl2 at room temperature to give either half-sandwich complexes [CpFe(PR3)3](PF6) (PR3=P(OMe)3, P(OEt)3, PhP(OMe)2) or ferrocenylphosphonium salts [CpFe(C5H4PR3)](PF6) (PR3=iPr2P(OMe), iPr2P(OEt)). Mixtures of both products are formed for some other nucleophiles (PR3=Ph2P(OMe), Ph2P(OEt), PhP(OiPr)2). The mechanism of the former reaction was established using DFT calculations. This reaction pathway is especially characteristic of π-acceptor nucleophiles, which is presumably explained by their ability to stabilize the 19e intermediates. The result of the reaction with tertiary phosphines, aminophosphines, and P?OR nucleophiles can be reliably predicted based on the values of the Tolman electronic parameter (below 2070 cm?1 – only ferrocenylphosphonium salt, in between 2073 cm?1 and 2080 cm?1 – only half-sandwich complex, and in the range from 2070 cm?1 to 2073 cm?1 – mixtures of both products).

Imidazolium Cyclopentadienide Salts and their Use as Cp-Transfer Reagents

Bischoff, Inga-Alexandra,Müller, Carsten,Huch, Volker,Zimmer, Michael,Sch?fer, André

, p. 1941 - 1944 (2019/04/03)

The reaction of N-heterocyclic carbenes, 1a–c, towards cyclopentadienes, 2a–c, was studied. N,N′-diisopropyl-substituted carbene 1a acts as a Br?nsted base and deprotonates cyclopentadiene, 2a, and isopropylcyclopentadiene, 2b, to yield the corresponding imidazolium cyclopentadienide salts, 3a,b, whereas there is no reaction towards 1,2,3,4,5-pentamethylcyclopentadiene. Imidazolium cyclopentadienide salts, 3a,b, were characterized in solution by 1H and 13C NMR spectroscopy, as well as in the solid state by single-crystal X-ray diffraction. In addition, it was demonstrated that imidazolium cyclopentadienide salt 3a can be used as a Cp-transfer reagent in the synthesis of different cyclopentadienyl transition metal complexes.

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