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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詳細
アプリケーション
ヒドロゲルテンプレートを調製し、徐放性医薬品用に均質な微粒子を生成できます。PVAは、その高い引っ張り強度と柔軟性により、微粒子調製の安定剤として使用されます。
特徴および利点
- 優れた機械的および 化学的安定性
- 無毒
- 調整可能な親水性
- 耐溶剤性 膜形成可能
保管分類コード
11 - Combustible Solids
WGK
WGK 1
引火点(°F)
No data available
引火点(℃)
No data available
個人用保護具 (PPE)
Eyeshields, Gloves, type N95 (US)
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
Jan Code
363170-25G:
363170-BULK:
363170-1KG:
363170-VAR:
363170-500G:
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How can I determine the shelf life / expiration / retest date of this product?
1 回答-
役に立ちましたか?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 回答-
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
役に立ちましたか?
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Do you have any data indicating an expected range of particle size for PVA, Poly(vinyl alcohol), products 363170 and 363138 (CAS 9002-89-5)?
1 回答-
The particle size is an internal specification, and there are no external specifications beyond the internal “S” grade. Internally, the focus is on ensuring there are no excessive quantities of fines (<100 Mesh) or excessive large particles (>14 Mesh). These internal requirements do not vary between the two products listed.
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