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Sigma-Aldrich

Poly(vinylphosphonic acid)

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Synonym(s):

PVPA, Polyethenylphosphonic acid

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About This Item

Linear Formula:
(C2H5O3P)n
CAS Number:
27754-99-0
MDL number:
MFCD00284311
UNSPSC Code:
26111700
NACRES:
NA.23
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form

powder

Quality Level

100

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Design for Energy Efficiency
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SMILES string

[P](=O)([O-])([O-])C=C.[H+].[H+]

InChI

1S/C2H5O3P/c1-2-6(3,4)5/h2H,1H2,(H2,3,4,5)

InChI key

ZTWTYVWXUKTLCP-UHFFFAOYSA-N

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General description

Poly(vinylphosphonic acid) (PVPA) is a polymeric diprotic acid, which can be synthesized by free-radical polymerization of VPA. It can also be synthesized by employing vinylphosphonic acid methyl ester as a monomer, followed by saponification.[1][2]
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Application

Poly(vinylphosphonic) acid is a versatile polyelectrolyte useful in several applications: proton conductor for fuel cells[3], chemical and biological sensors[4], biocomposite materials[5] and surface modification and adhesion.[6]

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS6144
MKCN1247
MKCG0322
MKBX0366V
MKBL8987V

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Y E Greish et al.
Biomaterials, 22(8), 807-816 (2001-03-15)
The formation of biocompatible organic-inorganic composites by reactions between tetracalcium phosphate (Ca4(PO4)2O, TetCP) and the biomedical polymer poly(vinyl phosphonic acid) (PVPA) is described. Composites were prepared by hot pressing mixtures of these powders at 80 kpsi and 300 degrees C
Minghan Ren et al.
Analytical chemistry, 77(9), 2700-2707 (2005-04-30)
We report here a chemical sensor based on detecting the mechanical response of a thin (approximately 10-microm) polymer wire stretched across the two prongs of a wristwatch quartz tuning fork (QTF). When the fork is set to oscillate, the wire
Van Den Brand, J.; Van Gils, S.; BeenTjes, P.C.J.; Terryn, H.; Sivel, V.; de Wit, J.H.W.
Progress in Organic Coatings, 51, 339-350 (2004)
Sevil, F., Bozkurt A.
The Journal of Physical Chemistry, 65, 1659-1662 (2004)
Synthesis, microstructure, and acidity of poly (vinylphosphonic acid)
Bingol B, et al.
Macromolecular Rapid Communications, 27(20), 1719-1724 (2006)
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Questions

1–3 of 3 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  3. What is the Mw of this polymer?

    1 answer

    1. The molecular weight is not determined.

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