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662631

Sigma-Aldrich

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

13 wt. % in H2O

Sinónimos:

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

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About This Item

Fórmula lineal:
(C16H14Na2O8)n
Número de CAS:
25736-61-2
Número MDL:
MFCD00217732
Código UNSPSC:
12162002
ID de la sustancia en PubChem:
24884596
NACRES:
NA.23
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mol peso

average Mw 350,000

Nivel de calidad

200

concentración

13 wt. % in H2O

índice de refracción

n20/D 1.362

densidad

1.070 g/mL at 25 °C

cadena SMILES

[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

Clave InChI

WOLATMHLPFJRGC-UHFFFAOYSA-N

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Categorías relacionadas

Pictogramas

Corrosion
GHS05

Palabra de señalización

Danger

Frases de peligro

H315,H318

Consejos de prudencia

P280 - P305 + P351 + P338

Clasificaciones de peligro

Eye Dam. 1 - Skin Irrit. 2

Código de clase de almacenamiento

10 - Combustible liquids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

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Certificados de análisis (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
N Koike et al.
Microbiology and immunology, 43(11), 1057-1060 (1999-12-28)
We developed an improved method to chemically immobilize antibodies on a nylon surface using a styrene maleic anhydride copolymer having an aryl group, which provides hydrophobicity to the nylon surface. We applied it to a modified enzyme-linked immunosorbent assay (slip-ELISA)
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Questions

1–2 of 2 Questions  

  1. 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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  2. 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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