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10981

Supelco

Polyvinyl alcohol mounting medium with DABCO®, antifading

pH 8.7

Synonym(s):

PVA-DABCO®

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100 ML
$210.00

$210.00

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100 ML
$210.00

About This Item

UNSPSC Code:
12352200
NACRES:
NA.25

$210.00

Check Cart for Availability
Request a Bulk Order

refractive index

n20/D 1.377

Quality Level

100

pH

8.7

density

1.08 g/mL at 20 °C

suitability

in accordance for application

shipped in

wet ice

storage temp.

2-8°C

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1 of 4

This Item
P81361.413521.41350
Polyvinyl alcohol mounting medium with DABCO®, antifading pH 8.7

10981

Polyvinyl alcohol mounting medium with DABCO®, antifading

Poly(vinyl alcohol) 87-90% hydrolyzed, average mol wt 30,000-70,000

P8136

Poly(vinyl alcohol)

Polyvinyl alcohol 26-88, EMPROVE® ESSENTIAL, Ph. Eur., ChP, USP, JPE

1.41352

Polyvinyl alcohol

Polyvinyl alcohol 4-88, EMPROVE® ESSENTIAL, Ph. Eur., ChP, JPE, USP

1.41350

Polyvinyl alcohol

refractive index

n20/D 1.377

refractive index

-

refractive index

-

refractive index

-

pH

8.7

pH

-

pH

-

pH

-

density

1.08 g/mL at 20 °C

density

-

density

-

density

-

suitability

in accordance for application

suitability

-

suitability

-

suitability

-

shipped in

wet ice

shipped in

-

shipped in

-

shipped in

-

storage temp.

2-8°C

storage temp.

-

storage temp.

15-25°C

storage temp.

15-25°C

Physical form

Aqueous solution containing tris(hydroxymethyl)aminomethane, tris(hydroxymethyl)aminomethane hydrochloride, polyvinyl alcohol 22000, glycerol, and 1,4-diazabicyclo[2.2.2]octane

Legal Information

DABCO is a registered trademark of Air Products & Chemicals, Inc.

related product

Product No.
Description
Pricing

pictograms

Corrosion
GHS05

signalword

Danger

hcodes

H318

Hazard Classifications

Eye Dam. 1

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

212.0 °F - closed cup

flash_point_c

100 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN1914
BCCM7403
BCCK8672
BCCL5464
BCCK0370

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Questions

1–10 of 10 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

      Helpful?

  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

      Helpful?

  3. What are the instructions for using Polyvinyl Alcohol with DABCO 10971?

    1 answer

    1. There is no available information regarding using Polyvinyl Alcohol with DABCO 10971. Basic information is available that Polyvinyl Alcohol solution is ready to use as it comes from the bottle and should be stored at a temperature of 2-8°C and is important to bring the aqueous mounting media to room temperature before use.

      Helpful?

  4. After mounting the slides should be stored at room temperature or is better to have them at 2-8° or frozen at -20°C?

    1 answer

    1. After applying the mounting medium, slides should be stored at 4°C.

      Helpful?

  5. How does the use of aqueous Polyvinyl alcohol mounting medium with DABCO®, Product 10981, with an anti-fade agent differ from the use of a standard aqueous mounting media?

    1 answer

    1. The anti-fade agent used in product 10981 will result in an initial drop in the intensity of the fluorescence.  Once the drop in fluorescence has occurred, the remaining fluorescence is not prone to rapid photo bleaching.

      Helpful?

  6. Polyvinyl alcohol mounting medium with DABCO®, Product 10981, has gelled during refrigeration.  Is the product still usable?

    1 answer

    1. Yes, the product is still usable after gelling.  The product will however need to be reheated to around 50 degrees Celsius or higher.  It may take some time for the product to turn back into a liquid.

      Helpful?

  7. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

      Helpful?

  8. Is Polyvinyl alcohol mounting medium with DABCO®, Product 10981, a permanent mounting media?

    1 answer

    1. No. This is considered an aqueous mounting media.  Although an antifade agent is included in the formulation, the fluorescence will eventually fade.

      Helpful?

  9. Can clear finger nail polish be used to replace Polyvinyl alcohol mounting medium with DABCO®, Product 10981, to seal the edges of the coverslips?

    1 answer

    1. Anecdotal evidence suggests that permanent mounting medias do a better job of stopping evaporation of the aqueous mounting media. Clear finger nail polish has been used by some labs for sealing the edges of the coverslip.  We are unaware of any formal studies which have been performed that would document which product gives the better performance.

      Helpful?

  10. Is it necessary to seal the slides after coverslipping?

    1 answer

    1. No. The slides do not require sealing after coverslipping. However sealing the edges of the coverslip with a permanent mounting media such as DPX will prevent the gradual formation of air bubbles as the aqueous mounting media gradually dries.

      Helpful?

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