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160326

Sigma-Aldrich

4,4′-Bis(diethylamino)benzophenone

≥99%

Synonym(s):

4,4′-(Tetraethyldiamino)benzophenone, 4,4′-Bis(diethylamino)diphenyl ketone, p ,p ′-Tetraethyldiaminobenzophenone, Bis[4-(diethylamino)phenyl]methanone, Michler′s ethyl ketone

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About This Item

Linear Formula:
[(C2H5)2NC6H4]2CO
CAS Number:
Molecular Weight:
324.46
Beilstein:
2148611
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

Quality Level

Assay

≥99%

mp

89-92 °C (lit.)

SMILES string

CCN(CC)c1ccc(cc1)C(=O)c2ccc(cc2)N(CC)CC

InChI

1S/C21H28N2O/c1-5-22(6-2)19-13-9-17(10-14-19)21(24)18-11-15-20(16-12-18)23(7-3)8-4/h9-16H,5-8H2,1-4H3

InChI key

VYHBFRJRBHMIQZ-UHFFFAOYSA-N

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Related Categories

Application

  • The effect of 4, 4′-bis (N, N-diethylamino) benzophenone on the degree of conversion in liquid photopolymer for dental 3D printing: Examines its use as a co-initiator in dental 3D printing materials (DH Lee et al., 2015).
  • Ketone Number and Substitution Effect of Benzophenone Derivatives on the Free Radical Photopolymerization: Compares its performance with other photoinitiators in polymerization (TL Huang, YC Chen, 2021).
  • Michler′s ethylketone as a novel negative-ion matrix for the enhancement of lipid MALDI tissue imaging: Uses 4,4′-bis(diethylamino)benzophenone in matrix-assisted laser desorption/ionization (MALDI) for tissue imaging (Y Shi et al., 2022).

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thi Kim Hoang Trinh et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 25(39), 9242-9252 (2019-04-26)
In the search of smarter routes to control the conditions of N-heterocyclic carbene (NHCs) formation, a two-component air-stable NHC photogenerating system is reported. It relies on the irradiation at 365 nm of a mixture of 2-isopropylthioxanthone (ITX) with 1,3-bis(mesityl)imidazoli(ni)um tetraphenylborate. The

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