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751-35-9

9H-Fluoren-9-one (triphenylphosphoranylidene)hydrazone is a complex organic compound with the chemical formula C33H25N2OP. It is derived from 9H-fluorene-9-one, a cyclic ketone, and features a triphenylphosphoranylidene group attached to the nitrogen atom of the hydrazone functional group. 9H-Fluoren-9-one (triphenylphosphoranylidene)hydrazone is known for its potential applications in organic synthesis, particularly as a ligand in transition metal-catalyzed reactions. The triphenylphosphoranylidene moiety enhances the stability and reactivity of the molecule, making it a valuable intermediate in the synthesis of various pharmaceuticals and other organic compounds. Its unique structure also makes it a subject of interest in chemical research, where it can be used to study the properties of phosphorus-containing compounds and their interactions with other molecules.

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  • 751-35-9 Structure

  • Basic information

    1. Product Name: 9H-Fluoren-9-one (triphenylphosphoranylidene)hydrazone
    2. Synonyms: 9H-Fluoren-9-one (triphenylphosphoranylidene)hydrazone
    3. CAS NO:751-35-9
    4. Molecular Formula: C31H23N2P
    5. Molecular Weight: 454.5
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 751-35-9.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: 650.3°C at 760 mmHg
    3. Flash Point: 347.1°C
    4. Appearance: /
    5. Density: 1.16g/cm3
    6. Vapor Pressure: 4.44E-16mmHg at 25°C
    7. Refractive Index: 1.655
    8. Storage Temp.: N/A
    9. Solubility: N/A
    10. CAS DataBase Reference: 9H-Fluoren-9-one (triphenylphosphoranylidene)hydrazone(CAS DataBase Reference)
    11. NIST Chemistry Reference: 9H-Fluoren-9-one (triphenylphosphoranylidene)hydrazone(751-35-9)
    12. EPA Substance Registry System: 9H-Fluoren-9-one (triphenylphosphoranylidene)hydrazone(751-35-9)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 751-35-9(Hazardous Substances Data)

751-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 751-35-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 751-35:
(5*7)+(4*5)+(3*1)+(2*3)+(1*5)=69
69 % 10 = 9
So 751-35-9 is a valid CAS Registry Number.
InChI:InChI=1/C31H23N2P/c1-4-14-24(15-5-1)34(25-16-6-2-7-17-25,26-18-8-3-9-19-26)33-32-31-29-22-12-10-20-27(29)28-21-11-13-23-30(28)31/h1-23H

751-35-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name N-[(triphenyl-λ<sup>5</sup>-phosphanylidene)amino]fluoren-9-imine

1.2 Other means of identification

Product number -
Other names 9-fluorenone triphenylphosphazine

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:751-35-9 SDS

751-35-9Relevant articles and documents

Dimers of the 9-Diazofluorene Anion Radical and Their Behavior

Bethell, Donald,Parker, Vernon D.

, p. 895 - 900 (1986)

Derivative cyclic voltammetry (DCV) has been used to investigate further the dimeric species formed when 9-diazofluorene undergoes one-electron reduction in acetonitrile solution.It has been confirmed that, at low substrate concentration (0.25 mM), the an

CATALYSTS FOR METATHESIS REACTIONS

-

Page/Page column 16-17, (2009/04/24)

Novel catalysts for metathesis reactions, in particular for the metathesis of nitrile rubber, are provided.

A Kinetic Study of the Reaction of Diazoalkanes with Triphenylphosphine: Structure and Reactivity in a Biphilic Process

Bethell, Donald,Dunn, Sara F. C.,Khodaei, Medhi M.,Newall, A. Raymond

, p. 1829 - 1834 (2007/10/02)

Second-order rate coefficients and activation parameters are reported for the reaction in solution of triphenylphosphine with a series of diazoalkanes (Ar2CN2) having two aromatic groups attached to the diazo-carbon atom, 9-diazofluorene (DAF), 5-diazo-5H

Organic Reactive Intermediates: Part IX-Radical Ions as Reactive Intermediates in Redox Reactions of Triphenylphosphazines

Handoo, Kishan L.,Gadru, Kanchan

, p. 412 - 417 (2007/10/02)

Two representative phosphazines namely, fluorenylidenetriphenylphosphazine (1) and diphenylmethylenetriphenylphosphazine (2) are shown to undergo oxidation and reduction involving single electron transfer to yield the corresponding cation and anion radicals, respectively.These ion radicals are unstable and decompose to give rise to a blend of other intermediates.Those which act almost certainly as principal intermediates in oxidation and reduction are carbenes and diazoalkane radical anions respectively.

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