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Key Documents

902101

Sigma-Aldrich

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:
148019-46-9
Molecular Weight:
674.60
UNSPSC Code:
31201601
NACRES:
NA.23

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

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

153.5 °F

flash_point_c

67.5 °C

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ0062
MKCM7421
MKCG9723

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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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