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/418/501/product-dating-information-06-25-mk.pdf
348406
Poly(vinyl alcohol)
average Mw 13,000-23,000, 98% hydrolyzed
Synonym(s):
PVA
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$63.70
$170.00
$285.00
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InChI
1S/C2H4O/c1-2-3/h2-3H,1H2
InChI key
IMROMDMJAWUWLK-UHFFFAOYSA-N
form
powder or crystals
mol wt
average Mw 13,000-23,000
falling ball
3.5-4.5 cP, 4 % in H2O(20 °C)(lit.)
solubility
H2O: soluble
Quality Level
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Related Categories
1 of 4
This Item | |||
|---|---|---|---|
| form powder or crystals | form crystalline powder, crystals or granules | form powder or crystals | form crystalline powder, crystals |
| solubility H2O: soluble | solubility - | solubility - | solubility - |
| mol wt average Mw 13,000-23,000 | mol wt average Mw 31,000-50,000 | mol wt average Mw 146,000-186,000 | mol wt Mw 146,000-186,000 |
| Quality Level 100 | Quality Level 200 | Quality Level 100 | Quality Level 200 |
| falling ball 3.5-4.5 cP, 4 % in H2O(20 °C)(lit.) | falling ball 5.2-6.2 cP, 4 % in H2O(20 °C)(lit.) | falling ball 40-50 cP, 4 % in H2O(20 °C)(lit.) | falling ball 55-65 cP, 4 % in H2O(20 °C)(lit.) |
General description
Application
Storage Class
11 - Combustible Solids
wgk
WGK 1
flash_point_f
No data available
flash_point_c
No data available
ppe
Eyeshields, Gloves, type N95 (US)
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How can I determine the shelf life / expiration / retest date of this product?
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How do I dissolve this product in water? Is there a suitable concentration range?
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The viscosity of this material is determined in water at 4% or 40 mg/mL. It is appreciably soluble in water.
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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