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662631

Sigma-Aldrich

Poly(styrene-alt-maleic acid) sodium salt solution

13 wt. % in H2O

Sinonimo/i:

Maleic anhydride-styrene copolymer sodium salt, Styrene-maleic anhydride polymer sodium salt

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250 ML
27,10 €
1 L
78,10 €

27,10 €

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Cambia visualizzazione
250 ML
27,10 €
1 L
78,10 €

About This Item

Formula condensata:
(C16H14Na2O8)n
Numero CAS:
25736-61-2
Numero MDL:
MFCD00217732
Codice UNSPSC:
12162002
ID PubChem:
24884596
NACRES:
NA.23

27,10 €

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PM

average Mw 350,000

Livello qualitativo

200

Concentrazione

13 wt. % in H2O

Indice di rifrazione

n20/D 1.362

Densità

1.070 g/mL at 25 °C

Stringa SMILE

[Na+].[Na+].OC(=O)\C=C\C(O)=O.[O-]C(=O)\C=C\C([O-])=O.C=Cc1ccccc1

InChI

1S/C8H8.C4H2O3/c1-2-8-6-4-3-5-7-8;5-3-1-2-4(6)7-3/h2-7H,1H2;1-2H
WOLATMHLPFJRGC-UHFFFAOYSA-N

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Categorie correlate

Pittogrammi

Corrosion
GHS05

Avvertenze

Danger

Indicazioni di pericolo

H315,H318

Consigli di prudenza

P280 - P305 + P351 + P338

Classi di pericolo

Eye Dam. 1 - Skin Irrit. 2

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
MKCW9478
MKCW9336
MKCS3982
MKCR5898
MKCN8368

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S K Guha et al.
Contraception, 32(1), 109-118 (1985-07-01)
A new male method of contraception by injecting a polymer, styrene-maleic anhydride (SMA), into the lumen of the vas deferens has been studied on rhesus monkeys. The polymer has the dual feature that it can occlude the vas deferens lumen
Guang-Ming Qiu et al.
Biomacromolecules, 6(2), 1041-1047 (2005-03-15)
A fluorescent, magnetic composite poly(styrene-maleic anhydride) microsphere, suitable for conjugation with polysaccharide, was synthesized using magnetite/europium phthalate particles as seeds by copolymerization of styrene and maleic anhydride. The magnetite/europium phthalate particles were wrapped up by poly(ethylene glycol), which improved the
Timothy J Knowles et al.
Journal of the American Chemical Society, 131(22), 7484-7485 (2009-05-20)
One-third of eukaryotic proteins are integrated within membranes, as are the targets of 40% of approved drugs. However, the lack of a general means of solubilizing, stabilizing and structurally characterizing active membrane proteins has frustrated efforts to understand their mechanisms
Y Mu et al.
Biochemical and biophysical research communications, 255(1), 75-79 (1999-03-20)
A comb-shaped polymeric modifier, SMA [poly(styrene comaleic anhydride)], which binds to plasma albumin in blood was used to modify the synthetic cell-adhesive laminin peptide YIGSR, and its inhibitory effect on experimental lung metastasis of B16-BL6 melanoma cells was examined. YIGSR
H Singh et al.
Biomaterials, 5(5), 307-309 (1984-09-01)
The effects of a few synthetic polymers on the motility of human spermatozoa in vitro have been studied. An alternate copolymer of styrene and maleic anhydride, poly(S-MA), poly (styrene-maleic acid), poly(S-MC), poly(hydroxy-ethyl methacrylate-methacrylic acid) copolymer, poly(HEMA-MAC), poly(HEMA) homopolymer and poly(MAC)
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Domande

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    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

      Utile?

  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta

    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

      Utile?

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