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Merck

124893

Camphorquinone

97%

Synonym(s):

(±)-Camphorquinone, 2,3-Bornanedione

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About This Item

Empirical Formula (Hill Notation):
C10H14O2
CAS Number:
Molecular Weight:
166.22
UNSPSC Code:
12162002
NACRES:
NA.23
PubChem Substance ID:
EC Number:
233-814-1
Beilstein/REAXYS Number:
1909463
MDL number:
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InChI key

VNQXSTWCDUXYEZ-LDWIPMOCSA-N

InChI

1S/C10H14O2/c1-9(2)6-4-5-10(9,3)8(12)7(6)11/h6H,4-5H2,1-3H3/t6-,10+/m1/s1

SMILES string

[H][C@@]12CC[C@@](C)(C(=O)C1=O)C2(C)C

assay

97%

form

solid

Quality Level

General description

Camphorquinone (CQ) absorbs UV radiation in the region of 200-300nm due to the Π−Π* transition and visible light (400-500nm) due to the n, Π* transition of the α-dicarbonyl chromophore.

Application

CQ-amines are used as a photo initiators for free radical polymerization. CQ was used as an initiator in the preparation of silver nanoparticle/silica/ polymer nanocomposites. Photopolymerization kinetics of dimethacrylates were studied using the CQ/amine initiator system.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

124893-50G: + 124893-VAR: + 124893-BULK: + 124893-5G: + 124893-10G:

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Yin-Chu Chen et al.
Dental materials : official publication of the Academy of Dental Materials, 23(6), 655-664 (2006-07-25)
The primary absorber in dental resins is the photoinitiator, which starts the photo polymerization process. We studied the quantum yield of conversion of camphorquinone (CQ), a blue light photoinitiator, in dental resin composites using a LED lamp (3M FreeLight) and
Mohammad Joulaei et al.
Journal of dental research, dental clinics, dental prospects, 6(4), 131-137 (2013-01-02)
Effect of surface treatments on repair bond strength of aged composite resins might be different due to their dissimilar fillers. The aim was to evaluate the effect of different surface treatments on repair micro-shear bond strength (µSBS) of silica- (Spectrum
Camphorquinone-amines photoinitating systems for the initiation of free radical polymerization.
Jakubiak J, et al.
Polymer, 44(18), 5219-5226 (2003)
Photopolymerization kinetics of dimethacrylates using the camphorquinone/amine initiator system
Cook WD
Polymer, 33(3), 600-609 (1992)
Fabrication and characterization of gold/acrylic polymer nanocomposites.
Burunkova J, et al.
European Polymer Journal null

Articles

歯科用コンポジット材料の開発のための新たなモノマーの設計や新規重合反応の検討について解説していただきました。

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.

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