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重要文件

81365

Sigma-Aldrich

Mowiol® 18-88 聚(乙烯醇)

Mw ~130,000

同義詞:

聚乙烯醇

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About This Item

線性公式:
[-CH2CHOH-]n
CAS號碼:
9002-89-5
MDL號碼:
MFCD00081922
分類程式碼代碼:
12352104
NACRES:
NA.23
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形狀

crystals

分子量

Mw ~130,000

標籤範圍

86.7-88.7 mol% hydrolysis
~2,700 polymerization

燃燒殘留物

≤0.5%

黏度

16-20 mPa.s, 4 % in H2O(20 °C)

InChI

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

InChI 密鑰

IMROMDMJAWUWLK-UHFFFAOYSA-N

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相關類別

應用

Mowiol®18-88是一种聚乙烯醇(PVA)，主要用作表面活性剂。[1][2]它可作为聚合物基体，以制备银纳米粒子。[3]

法律資訊

Mowiol is a registered trademark of Kuraray Europe GmbH

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 1

閃點（°F）

No data available

閃點（°C）

No data available

個人防護裝備

Eyeshields, Gloves, type N95 (US)

從最近期的版本中選擇一個：

分析證明 (COA)

Lot/Batch Number
BCCM9703
BCCM9702
BCCM4533
BCCM4532
BCCM4531

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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. Could you provide information on the packaging of 81365-250G and 81365-1KG?

    1 answer

    1. The product is packaged in a 500 mL white HDPE bottle with a red polypropylene cap, while the 1 KG is packaged in a 2.5L white HDPE bottle with a red polypropylene cap.

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