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632-52-0

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632-52-0 Usage

Purification Methods

Crystallise the hydrazine from 1:1 CHCl3/toluene, 1:5 CHCl3/EtOH (m 149o), *C6H6 or *C6H6/pet ether. Store it in a refrigerator, in the dark. [Beilstein 15 H 125, 15 I 29, 15 III 77, 15 IV 59.]

Check Digit Verification of cas no

The CAS Registry Mumber 632-52-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,3 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 632-52:
(5*6)+(4*3)+(3*2)+(2*5)+(1*2)=60
60 % 10 = 0
So 632-52-0 is a valid CAS Registry Number.
InChI:InChI=1/C24H20N2/c1-5-13-21(14-6-1)25(22-15-7-2-8-16-22)26(23-17-9-3-10-18-23)24-19-11-4-12-20-24/h1-20H

632-52-0SDS

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 1,1,2,2-tetraphenylhydrazine

1.2 Other means of identification

Product number -
Other names Tetraphenyl-hydrazin

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:632-52-0 SDS

632-52-0Relevant articles and documents

Bismuth Amides Mediate Facile and Highly Selective Pn–Pn Radical-Coupling Reactions (Pn=N, P, As)

Oberdorf, Kai,Hanft, Anna,Ramler, Jacqueline,Krummenacher, Ivo,Bickelhaupt, F. Matthias,Poater, Jordi,Lichtenberg, Crispin

supporting information, p. 6441 - 6445 (2021/02/01)

The controlled release of well-defined radical species under mild conditions for subsequent use in selective reactions is an important and challenging task in synthetic chemistry. We show here that simple bismuth amide species [Bi(NAr2)3] readily release aminyl radicals [NAr2]. at ambient temperature in solution. These reactions yield the corresponding hydrazines, Ar2N?NAr2, as a result of highly selective N?N coupling. The exploitation of facile homolytic Bi?Pn bond cleavage for Pn?Pn bond formation was extended to higher homologues of the pnictogens (Pn=N–As): homoleptic bismuth amides mediate the highly selective dehydrocoupling of HPnR2 to give R2Pn?PnR2. Analyses by NMR and EPR spectroscopy, single-crystal X-ray diffraction, and DFT calculations reveal low Bi?N homolytic bond-dissociation energies, suggest radical coupling in the coordination sphere of bismuth, and reveal electronic and steric parameters as effective tools to control these reactions.

A Highly Active, Recyclable and Cost-Effective Magnetic Nanoparticles Supported Copper Catalyst for N-arylation Reaction

Zahedi, Razieh,Asadi, Zahra,Firuzabadi, Fahimeh Dehghani

, p. 65 - 73 (2019/08/22)

Abstract: The immobilization of a copper complex by covalent anchoring of 2-hydroxybenzophenone on the surface of amine-functionalized magnetic nanoparticles was reported. The structure and morphology of the catalyst was characterized by different techniques such as Fourier-transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), transmission electron micrograph (TEM), scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), vibrating sample magnetometer (VSM) and inductively coupled plasma (ICP) spectroscopy. This efficient and cost effective catalyst was applied in the N-arylation reaction and the products were obtained in good to excellent yields in short reaction times. The cost-effective catalyst demonstrated high stability, which could be facilely separated from the reaction mixture by applying an external magnet and recycled at least four times with only a slight decrease in its activity. Graphic Abstract: [Figure not available: see fulltext.]

Iodine-mediated oxidative N-N coupling of secondary amines to hydrazines

Ren, Linning,Wang, Manman,Fang, Benyao,Yu, Wenquan,Chang, Junbiao

, p. 3446 - 3450 (2019/04/01)

An I2-mediated N-N coupling reaction has been established for oxidative dimerization of N-aryl aminopyridines to a variety of novel hydrazine derivatives under mild conditions. This synthetic method does not require use of transition metals and

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