28210-41-5 4-Ethenylbenzenesulfonic acid homopolymer CHEBI:53278 PSSA Polystyrene sulfonate Tolevamer poly(styrene sulfonic acid) poly(styrene-4-sulfonic acid) poly[1-(4-sulfophenyl)ethylene] polystyrene sulfonic acid polystyrenesulfonic acid CAS 28210-41-5

Purity 97%+In StockPharmaceutical Standards
CAS No.28210-41-5
Molecular FormulaC8H8A2O3S
Molecular Weight184.21 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

28210-41-5
4-Ethenylbenzenesulfonic acid homopolymer
CHEBI:53278
PSSA
Polystyrene sulfonate
Tolevamer
poly(styrene sulfonic acid)
poly(styrene-4-sulfonic acid)
poly[1-(4-sulfophenyl)ethylene]
polystyrene sulfonic acid
polystyrenesulfonic acid CAS 28210-41-5 chemical structure

Description

28210-41-5 4-Ethenylbenzenesulfonic acid homopolymer CHEBI:53278 PSSA Polystyrene sulfonate Tolevamer poly(styrene sulfonic acid) poly(styrene-4-sulfonic acid) poly[1-(4-sulfophenyl)ethylene] polystyrene sulfonic acid polystyrenesulfonic acid (CAS 28210-41-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H8A2O3S. Molecular weight: 184.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC8H8A2O3S
Molecular Weight184.21 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Sulfur Atoms1

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