902101
Pyromellitic dianhydride glycerol dimethacrylate
mixture of isomers, contains 1000-4000 ppm BHT as inhibitor
Synonym(s):
PMGDM
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About This Item
Empirical Formula (Hill Notation):
C32H34O16
CAS Number:
Molecular Weight:
674.60
UNSPSC Code:
31201601
NACRES:
NA.23
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description
Identity: Conforms to structure
form
liquid
contains
1000-4000 ppm BHT as inhibitor
color
yellow to light tan
storage temp.
2-8°C
Application
Pyromellitic dianhydride glycerol dimethacrylate (PMGDM) is an adhesive monomer synthesized from pyromellitic dianhydride and glycerol dimethacrylate. As a mixture of the para- and meta isomers, PMGDM has several advantages over more traditional adhesive monomers. PMGDM can be applied in thicker layers, and additives and/or additional initiators to improve curing can be readily incorporated.
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
153.5 °F
Flash Point(C)
67.5 °C
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S Venz et al.
Journal of dental research, 72(3), 582-586 (1993-03-01)
PMGDM, a PMDM-type adhesive monomer, was synthesized from pyromellitic dianhydride and glycerol dimethacrylate. Only the para isomer of PMDM, a solid, is used in dental adhesives. The adhesive monomer PMGDM is a liquid and consists of a mixture of para-
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