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Key Documents

E24905

Sigma-Aldrich

Ethyl 4-(dimethylamino)benzoate

≥99%

Synonyme(s) :

Parbenate

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About This Item

Formule linéaire :
(CH3)2NC6H4CO2C2H5
Numéro CAS:
Poids moléculaire :
193.24
Numéro Beilstein :
2210233
Numéro CE :
Numéro MDL:
Code UNSPSC :
12352103
ID de substance PubChem :
Nomenclature NACRES :
NA.23

Niveau de qualité

Pureté

≥99%

Pf

63-66 °C (lit.)

Chaîne SMILES 

CCOC(=O)c1ccc(cc1)N(C)C

InChI

1S/C11H15NO2/c1-4-14-11(13)9-5-7-10(8-6-9)12(2)3/h5-8H,4H2,1-3H3

Clé InChI

FZUGPQWGEGAKET-UHFFFAOYSA-N

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Description générale

Ethyl 4-(dimethylamino)benzoate (Et-PABA) is a hydrophilic polymer, which can also be used as a derivate of 4-aminobenzoate. It is majorly used as a photo-initiator with a strong estrogenic activity, which finds application as an ultraviolet filter in sunscreens.
Ethyl 4-(dimethylamino)benzoate is a photoinitiator in visible light system.

Application

Can be used as a photoinititator in cell encapsulation applications.
Et-PABA is used as a co-initiator with camphorquinone (CQ) to form a self-adhesive composite for the fabrication of photosensitizers in dental materials.

Pictogrammes

Health hazardEnvironment

Mention d'avertissement

Danger

Mentions de danger

Classification des risques

Aquatic Chronic 2 - Repr. 1B

Code de la classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves, type N95 (US)


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Consulter la Bibliothèque de documents

Effect of photoinitiator combinations on hardness, depth of cure, and color of model resin composites.
Salgado VE, et al.
Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [Et al.], 27, S41-S48 (2015)
Fabrício Aulo Ogliari et al.
Journal of dentistry, 35(7), 583-587 (2007-06-02)
The aim of this study was to evaluate the influence of an onium salt in the polymerization kinetics of a dental adhesive model resin. A monomer mixture, based on Bis-GMA, TEGDMA and HEMA, was used as a model dental adhesive
S J Bryant et al.
Journal of biomaterials science. Polymer edition, 11(5), 439-457 (2000-07-15)
This work investigates the cytocompatibility of several photoinitiating systems for potential cell encapsulation applications. Both UV and visible light initiating schemes were examined. The UV photoinitiators included 2,2-dimethoxy-2-phenylacetophenone (Irgacure 651), 1-hydroxycyclohexyl phenyl ketone (Irgacure 184), 2-methyl-1-[4-(methylthio) phenyl]-2-(4-morpholinyl)-1-propanone (Irgacure 907), and
Natasha Azzopardi et al.
Dental materials : official publication of the Academy of Dental Materials, 25(12), 1564-1568 (2009-08-28)
The purpose of this study was to investigate the effect of the resin matrix composition on the translucency of experimental dental composite resins. Three types of unfilled resin matrices (TEGDMA-, UDMA- and BisGMA-based) were formulated and light cured. In addition
A Peutzfeldt et al.
Acta odontologica Scandinavica, 47(4), 229-231 (1989-08-01)
The influence of the content of camphorquinone (CQ), amine (DABE), and inhibitor (MHQ) on the Wallace indentation hardness of light-curing polymers was investigated. The hardness was measured on disc-shaped specimens made from 50 bisphenol-A-glycidyl-dimethacrylate/triethyleneglycol-dimethacryla te-based monomers with various contents of

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