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
Beilstein:
1909463
EC Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
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Quality Level
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 Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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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
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Jakubiak J, et al.
Polymer, 44(18), 5219-5226 (2003)
Photopolymerization kinetics of dimethacrylates using the camphorquinone/amine initiator system
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Articles
The Progress in Development of Dental Restorative Materials
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