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124893

Sigma-Aldrich

Camphorquinone

97%

Synonym(s):

(±)-Camphorquinone, 2,3-Bornanedione

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About This Item

Empirical Formula (Hill Notation):
C10H14O2
CAS Number:
10373-78-1
Molecular Weight:
166.22
Beilstein/REAXYS Number:
1909463
EC Number:
233-814-1
MDL number:
MFCD00064160
UNSPSC Code:
12162002
PubChem Substance ID:
24847632
NACRES:
NA.23

assay

97%

form

solid

mp

197-203 °C (lit.)

SMILES string

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

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

InChI key

VNQXSTWCDUXYEZ-LDWIPMOCSA-N

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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_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

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Camphorquinone-amines photoinitating systems for the initiation of free radical polymerization.
Jakubiak J, et al.
Polymer, 44(18), 5219-5226 (2003)
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
The role of oxygen in camphorquinone initiated photopolmerization
Andrzejewska E, et al.
Macromolecular Chemistry and Physics, 199(3), 441-449 (1998)
Fabrication and characterization of gold/acrylic polymer nanocomposites.
Burunkova J, et al.
European Polymer Journal null
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
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