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E24905

Sigma-Aldrich

Ethyl 4-(dimethylamino)benzoate

≥99%

Sinonimo/i:

Parbenate

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5 G
CHF 63.50
100 G
CHF 129.00
500 G
CHF 429.00

About This Item

Formula condensata:
(CH3)2NC6H4CO2C2H5
Numero CAS:
10287-53-3
Peso molecolare:
193.24
Beilstein:
2210233
Numero CE:
233-634-3
Numero MDL:
MFCD00009115
Codice UNSPSC:
12352103
ID PubChem:
24894473
NACRES:
NA.23

CHF 63.50

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Saggio

≥99%

Punto di fusione

63-66 °C (lit.)

Stringa SMILE

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
FZUGPQWGEGAKET-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

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.[1]
Ethyl 4-(dimethylamino)benzoate is a photoinitiator in visible light system.[2]

Applicazioni

Can be used as a photoinititator in cell encapsulation applications.[3]
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.[4][5][6]

Pittogrammi

Health hazardEnvironment
GHS08,GHS09

Avvertenze

Danger

Indicazioni di pericolo

H360FD,H411

Classi di pericolo

Aquatic Chronic 2 - Repr. 1B

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
MKCW3311
WXBF4517V
MKCV6341
WXBF1719V
MKCT7010

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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
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
Effect of adhesive-monomers and photoinitiator on C=C conversion and color stability of model self-adhesive flowable composites.
Monteiro AA, et al.
International Journal of Adhesion and Adhesives, 87, 119-123 (2018)
Magali Dewaele et al.
Dental materials : official publication of the Academy of Dental Materials, 25(12), 1576-1584 (2009-09-15)
The purpose of this study was to investigate the effect of light-curing protocol on degree of conversion (DC), volume contraction (C), elastic modulus (E), and glass transition temperature (T(g)) as measured on a model polymer. It was a further aim
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Articoli

The Progress in Development of Dental Restorative Materials

With dentists placing nearly 100 million dental fillings into patients′ teeth annually in the U.S. alone, polymeric composite restoratives account for a very large share of the biomaterials market.

Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. 안녕하세요 Ethyl 4-(dimethylamino)benzoate의 광게시제 파장을 알고싶어서 문의를 드립니다.

    1 answer

    1. The wavelength is not determined for this product. However, as per an external database, it is 310 nm. Please view the link below: https://www.photochemcad.com/databases/common-compounds/aromatic-hydrocarbons/ethyl-4-dimethylaminobenzoate.

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