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31185

Sigma-Aldrich

D.E.R.™ 332

used as embedding medium

Synonym(s):

Bisphenol A diglycidyl ether, Epoxy-Resin, 2,2-Bis[4-(glycidyloxy)phenyl]propane, 4,4′-Isopropylidenediphenol diglycidyl ether, BADGE, D.E.R.™ 332

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About This Item

Empirical Formula (Hill Notation):
C21H24O4
CAS Number:
1675-54-3
Molecular Weight:
340.41
Beilstein/REAXYS Number:
299026
EC Number:
216-823-5
MDL number:
MFCD00080480
UNSPSC Code:
12161502
PubChem Substance ID:
329753672
NACRES:
NA.25

Quality Level

200

SMILES string

CC(C)(c1ccc(OCC2CO2)cc1)c3ccc(OCC4CO4)cc3

InChI

1S/C21H24O4/c1-21(2,15-3-7-17(8-4-15)22-11-19-13-24-19)16-5-9-18(10-6-16)23-12-20-14-25-20/h3-10,19-20H,11-14H2,1-2H3

InChI key

LCFVJGUPQDGYKZ-UHFFFAOYSA-N

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Application

The uniqueness of D.E.R. 332 epoxy resin is reflected in its maximum epoxide equivalent weight of 178. Because of its high purity and lack of polymer factions, samples embedded using D.E.R. 322 have uniform performance, exceptionally low viscosity and color; and improved elevated temperature properties.

Caution

Crystallizes very slowly at room-temperature; can be melted by heating up to 50-55 °C

Legal Information

D.E.R. is a trademark of The Dow Chemical Company or an affiliated company of Dow

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Description
Pricing

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

507.2 - 514.4 °F - closed cup

flash_point_c

264 - 268 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Evgeniy M Chistyakov et al.
Polymers, 11(7) (2019-07-20)
The method of optical wedge revealed that the optimum temperature for compatibility of hexakis(4-acetamidophenoxy)cyclotriphosphazene (ACP) and DER-331 epoxy resin is in the range of 220-260 °C. The interdiffusion time of components at these temperatures is about 30 min. The TGA
Mengyang Hu et al.
Journal of colloid and interface science, 552, 319-331 (2019-05-28)
The aqueous dispersion of graphene oxide (GO) was employed as additive to fabricate antifouling and antibacterial polyethersulfone (PES)/sulfonated polysulfone (SPSf)/GO mixed matrix membranes (MMMs) by the non-solvent induced phase separation (NIPS). The effect of different amounts of GO on the
Ayşe Aydoğmuş Erik et al.
Microscopy research and technique, 82(9), 1448-1454 (2019-05-24)
This experimental study aims to evaluate the radiopacity of various fiber post materials and to determine the effects of material composition as analyzed by energy-dispersive X-ray spectrophotometry (EDS; EDAX Team Software; EDAX, Inc., Mahwah, NJ) on radiopacity. Five specimens of
Jue Ann Soh et al.
Australian endodontic journal : the journal of the Australian Society of Endodontology Inc, 45(2), 171-176 (2018-09-20)
In endodontic infections, inflammatory mediators such as cytokines are released, recruited and retained until the infection is eradicated. Root canal therapy is performed to prevent the spread of infection. The aim of this study was to investigate the effects of
Miroslav Müller et al.
Polymers, 11(7) (2019-07-03)
This paper deals with a research focused on utilization of microparticle and short-fiber filler based on cotton post-harvest line residues in an area of polymeric composites. Two different fractions of the biological filler (FCR-reinforced cotton filler) of 20 and 100
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