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939-27-5

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939-27-5 Usage

Chemical Properties

colourless liquid

General Description

Colorless liquid.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Vigorous reactions, sometimes amounting to explosions, can result from the contact between aromatic hydrocarbons, such as C2-ETHYLNAPHTHALENE, and strong oxidizing agents. They can react exothermically with bases and with diazo compounds. Substitution at the benzene nucleus occurs by halogenation (acid catalyst), nitration, sulfonation, and the Friedel-Crafts reaction.

Check Digit Verification of cas no

The CAS Registry Mumber 939-27-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 939-27:
(5*9)+(4*3)+(3*9)+(2*2)+(1*7)=95
95 % 10 = 5
So 939-27-5 is a valid CAS Registry Number.
InChI:InChI=1/C12H12/c1-2-10-7-8-11-5-3-4-6-12(11)9-10/h3-9H,2H2,1H3

939-27-5 Well-known Company Product Price

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  • (Code)Product description
  • CAS number
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  • Detail
  • Aldrich

  • (E40005)  2-Ethylnaphthalene  ≥99%

  • 939-27-5

  • E40005-5G

  • 748.80CNY

  • Detail
  • Aldrich

  • (E40005)  2-Ethylnaphthalene  ≥99%

  • 939-27-5

  • E40005-25G

  • 2,372.76CNY

  • Detail

939-27-5SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-Ethylnaphthalene

1.2 Other means of identification

Product number -
Other names 2-ETHYLNAPHTHALENE

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

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:939-27-5 SDS

939-27-5Relevant articles and documents

Preparation and use of tritiated Schwartz' reagent (ZrCp2Cl3H)

Zippi,Andres,Morimoto,Williams

, p. 1037 - 1044 (1994)

Treatment of Li3H with ZrCp2Cl2 in THF affords ZrCp2Cl3H. By the action of ZrCp2Cl3H on an acetylene, it is possible to stereo- and regioselectively introduce tritium into the vinylic position, a site which has often proved to be metabolically stable in complex molecules. In addition, ZrCp2Cl3H may be used to regioselectively label olefins with tritium.

Expanding the useful range of ionic liquids: Melting point depression of organic salts with carbon dioxide for biphasic catalytic reactions

Scurto, Aaron M.,Leitner, Walter

, p. 3681 - 3683 (2006)

Large and previously unreported melting point depressions (even exceeding ΔTm of 100°C) were observed for simple ammonium and phosphonium salts in the presence of compressed CO2, bringing them well within the range of typical ionic liquids; possible applications include biphasic catalysis in IL/scCO2 systems as demonstrated for rhodium complex catalyzed hydrogenation, hydroformylation, and hydroboration of 2-vinyl-naphthalene using a CO2-induced molten sample of [NBu 4][BF4] as a catalyst phase at temperatures in the range of 55-75°C, i.e. 100°C below the normal melting point of the organic salt. The Royal Society of Chemistry 2006.

Metal-Organic Framework-Confined Single-Site Base-Metal Catalyst for Chemoselective Hydrodeoxygenation of Carbonyls and Alcohols

Antil, Neha,Kumar, Ajay,Akhtar, Naved,Newar, Rajashree,Begum, Wahida,Manna, Kuntal

supporting information, p. 9029 - 9039 (2021/06/28)

Chemoselective deoxygenation of carbonyls and alcohols using hydrogen by heterogeneous base-metal catalysts is crucial for the sustainable production of fine chemicals and biofuels. We report an aluminum metal-organic framework (DUT-5) node support cobalt(II) hydride, which is a highly chemoselective and recyclable heterogeneous catalyst for deoxygenation of a range of aromatic and aliphatic ketones, aldehydes, and primary and secondary alcohols, including biomass-derived substrates under 1 bar H2. The single-site cobalt catalyst (DUT-5-CoH) was easily prepared by postsynthetic metalation of the secondary building units (SBUs) of DUT-5 with CoCl2 followed by the reaction of NaEt3BH. X-ray photoelectron spectroscopy and X-ray absorption near-edge spectroscopy (XANES) indicated the presence of CoII and AlIII centers in DUT-5-CoH and DUT-5-Co after catalysis. The coordination environment of the cobalt center of DUT-5-Co before and after catalysis was established by extended X-ray fine structure spectroscopy (EXAFS) and density functional theory. The kinetic and computational data suggest reversible carbonyl coordination to cobalt preceding the turnover-limiting step, which involves 1,2-insertion of the coordinated carbonyl into the cobalt-hydride bond. The unique coordination environment of the cobalt ion ligated by oxo-nodes within the porous framework and the rate independency on the pressure of H2 allow the deoxygenation reactions chemoselectively under ambient hydrogen pressure.

Iron-catalyzed cross-coupling reactions of alkyl grignards with aryl chlorobenzenesulfonates

Bisz, Elwira

, (2021/10/05)

Aryl sulfonate esters are versatile synthetic intermediates in organic chemistry as well as attractive architectures due to their bioactive properties. Herein, we report the synthesis of alkyl-substituted benzenesulfonate esters by iron-catalyzed C(sp2)–C(sp3) cross-coupling of Grignard reagents with aryl chlorides. The method operates using an environmentally benign and sustainable iron catalytic system, employing benign urea ligands. A broad range of chlorobenzenesulfonates as well as challenging alkyl organometallics containing β-hydrogens are compatible with these conditions, affording alkylated products in high to excellent yields. The study reveals that aryl sulfonate esters are the most reactive activating groups for iron-catalyzed alkylative C(sp2)–C(sp3) cross-coupling of aryl chlorides with Grignard reagents.

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