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Sigma-Aldrich

Polyaniline (emeraldine base)

average Mw ~50,000

Synonym(s):

Emeraldine base polyaniline

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About This Item

CAS Number:
25233-30-1
MDL number:
MFCD00241446
UNSPSC Code:
12352103
PubChem Substance ID:
24879552
NACRES:
NA.23

mol wt

average Mw ~50,000

solubility

m-cresol: soluble
DMAC: soluble
DMF: soluble
DMSO: soluble
NMP: soluble

λmax

~330 nm

InChI

1S/C3H4BrN3.ClH/c1-2-3(4)6-7-5-2;/h1H3,(H,5,6,7);1H

InChI key

LYCWKZFKTMHXQA-UHFFFAOYSA-N

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General description

Polyaniline (PAni) emeraldine salt can be prepared by protonation of PAni emeraldine base (PAni-EB). PAni-EB forms at pH>7. Its mechanism against corrosive agents has been explained in a study.

application

PAni-EB may be used as a substrate for graphene transfer.

Features and Benefits

Undoped form of conducting polymer (non-conductive).

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)

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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Annealing free, clean graphene transfer using alternative polymer scaffolds.
Wood JD, et al.
Nanotechnology, 26(5) (2015)
Study of epoxy and alkyd coatings modified with emeraldine base form of polyaniline.
Armelin E, et al.
Progress in Organic Coatings, 58, 316-322 (2007)
Jia Liu et al.
Science (New York, N.Y.), 367(6484), 1372-1376 (2020-03-21)
The structural and functional complexity of multicellular biological systems, such as the brain, are beyond the reach of human design or assembly capabilities. Cells in living organisms may be recruited to construct synthetic materials or structures if treated as anatomically

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