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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:
90-93-7
Molecular Weight:
324.46
Beilstein/REAXYS Number:
2148611
EC Number:
202-025-4
MDL number:
MFCD00009044
UNSPSC Code:
12162002
PubChem Substance ID:
24849862
NACRES:
NA.23

Quality Level

200

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).

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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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2-Ethylhexyl 4-(dimethylamino)benzoate 98%

Sigma-Aldrich

437395

2-Ethylhexyl 4-(dimethylamino)benzoate

Ethyl 4-(dimethylamino)benzoate ≥99%

Sigma-Aldrich

E24905

Ethyl 4-(dimethylamino)benzoate

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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