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363146

Sigma-Aldrich

Poly(vinyl alcohol)

Mw 85,000-124,000, 99+% hydrolyzed

Synonym(s):

PVA

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25 G
$51.49
500 G
$140.60
1 KG
$234.65

About This Item

Linear Formula:
[-CH2CHOH-]n
CAS Number:
MDL number:
UNSPSC Code:
12352104
NACRES:
NA.23

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$51.49

List Price$54.20Save 5%
Web-Only Promotion

In StockDetails


Ships Every 4 weeks
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

form

powder or crystals

mol wt

Mw 85,000-124,000

falling ball

28-32 cP, 4 % in H2O(20 °C)(lit.)

InChI

1S/C2H4O/c1-2-3/h2-3H,1H2

InChI key

IMROMDMJAWUWLK-UHFFFAOYSA-N

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1 of 4

This Item
363138363065341584
form

powder or crystals

form

powder

form

crystalline powder, crystals

form

powder

mol wt

Mw 85,000-124,000

mol wt

Mw 31,000-50,000

mol wt

Mw 146,000-186,000

mol wt

Mw 89,000-98,000

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

falling ball

28-32 cP, 4 % in H2O(20 °C)(lit.)

falling ball

5.4-6.5 cP, 4 % in H2O(20 °C)(lit.)

falling ball

55-65 cP, 4 % in H2O(20 °C)(lit.)

falling ball

11.6-15.4 cP, 4 % in H2O(20 °C)(lit.)

General description

Poly (vinyl alcohol) (PVA) is a useful industrial, medical and biomimetic material. PVA with high molecular weight is useful in preparing gel which possesses both high strength and modulus. Hence, it is used for the production of fibers, films or gels.

Application

  • Poly (vinyl alcohol) recent contributions to engineering and medicine: This article discusses the diverse applications of PVA in engineering and medical fields, emphasizing its versatility and potential in various domains (Feldman, 2020).
  • Chemical modification of poly (vinyl alcohol) in water: This study explores the chemical modification processes of PVA, enhancing its functional properties for advanced material applications (Awada & Daneault, 2015).
  • Crosslinked poly (vinyl alcohol) hydrogels for wound dressing applications: Reviews the use of PVA in creating hydrogel dressings for medical applications, demonstrating the material′s effectiveness in healing and treatment scenarios (Kamoun et al., 2015).
  • A review on mechanical and water absorption properties of polyvinyl alcohol based composites/films: This review focuses on the mechanical and water absorption properties of PVA composites, crucial for developing advanced materials in various scientific and industrial applications (Jain et al., 2017).
  • Properties and applications of polyvinyl alcohol, halloysite nanotubes and their nanocomposites: Analyzes the synthesis, properties, and applications of PVA-based nanocomposites, highlighting their significant potential in nanotechnology and material science (Gaaz et al., 2015).

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

No data available

flash_point_c

No data available

ppe

Eyeshields, Gloves, type N95 (US)


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Questions

1–2 of 2 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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