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662631

Sigma-Aldrich

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

13 wt. % in H2O

Synonym(s):

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

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About This Item

Linear Formula:
(C16H14Na2O8)n
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

mol wt

average Mw 350,000

Quality Level

concentration

13 wt. % in H2O

refractive index

n20/D 1.362

density

1.070 g/mL at 25 °C

SMILES string

[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

InChI key

WOLATMHLPFJRGC-UHFFFAOYSA-N

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Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

662631-BULK:
662631-VAR:
662631-250ML:
662631-1L:


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N Sethi et al.
Journal of medical primatology, 20(2), 89-93 (1991-01-01)
Polymer styrene maleic anhydride dissolved in dimethyl sulphoxide was injected intravasally to rhesus monkeys at the dose levels of 100 mg, 250 mg, and 500 mg in each vas deferens in low, high, and highest dose groups respectively, while control
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)
N K Lohiya et al.
Contraception, 58(2), 119-128 (1998-10-17)
In male langurs with azoospermia induced by vas occlusion with styrene maleic anhydride (SMA), the exploratory feasibility of azoospermia reversal by a new noninvasive reversal procedure has been assessed. Palpation, percutaneous electrical stimulation of the vas deferens, forced vibratory movement
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)
S K Guha et al.
Contraception, 56(4), 245-250 (1997-12-31)
Following up on an earlier clinical trial demonstrating the safety of an intra-vas deferens injection of a contraceptive drug named Risug, comprised of styrene maleic anhydride (SMA) in a solvent vehicle of dimethylsulphoxide (DMSO), a study to assess the contraceptive

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