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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:
25736-61-2
MDL number:
MFCD00217732
UNSPSC Code:
12162002
PubChem Substance ID:
24884596
NACRES:
NA.23

mol wt

average Mw 350,000

Quality Level

200

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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Related Categories

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H315,H318

Precautionary Statements

P280 - P305 + P351 + P338

Hazard Classifications

Eye Dam. 1 - Skin Irrit. 2

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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N Sethi et al.
Contraception, 42(3), 337-347 (1990-09-01)
A newly developed male contraceptive, styrene maleic anhydride (SMA), was injected in the vas deferens of male rhesus monkeys for safety evaluation at the dose of 100 mg (contraceptive dose, CD), 250 mg (CD x 2.5) and 500 mg (CD
G D Guerra et al.
Journal of biomaterials science. Polymer edition, 4(6), 643-652 (1993-01-01)
The activation of human plasma prekallikrein (PKK) to kallikrein (KK), induced by the contact of blood with foreign materials, is a useful in vitro hemocompatibility test. Kallikrein is easily detected by its reaction with the chromogenic substrate H-D-Pro-Phe-Arg-pNA, which releases
K Verma et al.
Journal of reproduction and fertility, 63(2), 539-542 (1981-11-01)
An alternate co-polymer of styrene and maleic anhydride was dissolved in dimethylsulphoxide and injected into the vas deferens of rats. The polymer was retained in the vas deferens and the morphological changes detected were confined to the mucosa. When the
N K Lohiya et al.
International journal of andrology, 23(1), 36-42 (2000-01-13)
The feasibility of a spacing method for contraception, using Styrene Maleic Anhydride (SMA) as a vas occlusive agent, has been assessed in male langur monkeys. The vas deferens of 6 animals were occluded with 60 mg SMA in 120 microL
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
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