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
38534
Polylactic acid
Mw ~60,000
Sinonim:
Poly(2-hydroxypropionic acid)
Pilih Ukuran
About This Item
Loncat ke
form
solid
shelf life
limited shelf life, expiry date on the label
mol wt
Mn ~30,000
Mw ~60,000
SMILES string
[O-]C(=O)C(O)C.[H+]
InChI
1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
InChI key
JVTAAEKCZFNVCJ-UHFFFAOYSA-N
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1 of 4
Item ini | 704105 | GF45989881 | 900825 |
|---|---|---|---|
| form solid | form pellets | form granular | form chunks |
| shelf life limited shelf life, expiry date on the label | shelf life - | shelf life - | shelf life - |
| mol wt Mn ~30,000 | mol wt Mn 40,000-50,000, Mw 48,000-90,000, average Mn 45,000 | mol wt - | mol wt - |
| Quality Level 100 | Quality Level 100 | Quality Level - | Quality Level 100 |
General description
Application
It can be used to prepare PLA/polyvinyl alcohol wound dressing membrane through electrospinning and coating method. The coating of PLA improves the mechanical strength of nanofiber and acts as a protective layer to control the release of drug to the wound site.
It can also be used to synthesize free-standing, flexible ultra-thin PLA nanofilms which can act as a matrix for adhesion, spreading, and proliferation of skeletal muscle cells.
Features and Benefits
- Biocompatibility
- Lower toxicity
- Low cost
- Better encapsulation
related product
Kelas Penyimpanan
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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Artikel
Electrospinning technique applications discussed, emphasizing control of nanofibers and assembly into 3D architectures.
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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I would like to know if this product (PLA with code number 38534 is a racemic mixture or a chiral product.
1 answer-
This product is poly(L-lactide), as confirmed by the vendor.
Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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Hi, I'd like to know the Appearance (Form and color) of the PLA and the water content. Thank you.
1 answer-
There is no appearance form or color specification for this product. However, historical information suggests this item is in the form of a powder to small rod or granule that is white to light beige in color. These properties are not quality guaranteed as the specification is not listed. The material is not tested for moisture content.
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