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Poly(sodium 4-styrenesulfonate) solution

average Mw ~1,000,000, 25 wt. % in H2O

PSS, Poly(4-styrenesulfonic acid) sodium salt
Linear Formula:
CAS Number:
MDL number:

mol wt

average Mw ~1,000,000

Quality Level


25 wt. % in H2O

refractive index

n20/D 1.3875


1.163 g/mL at 25 °C



InChI key


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This Item

1.163 g/mL at 25 °C


0.801 g/mL at 25 °C (lit.)


1.158 g/mL at 25 °C


1.1471 g/mL at 25 °C

mol wt

average Mw ~1,000,000

mol wt

average Mw ~70,000

mol wt

average Mw ~70,000

mol wt

average Mw ~200,000


25 wt. % in H2O




30 wt. % in H2O


30 wt. % in H2O


Scale inhibitor and dispersant for metal salts and oxides.
Anionic polyelectrolyte.

Features and Benefits

Anionic polyelectrolyte

Storage Class Code

10 - Combustible liquids



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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S Oughlis et al.
Journal of biomedical materials research. Part A, 101(2), 582-589 (2012-09-11)
Osseointegration of metallic implants used in orthopedic surgery requires that osteoprogenitor cells attach and adhere to the surface, then proliferate, differentiate into osteoblasts, and finally produce mineralized matrix. Because the ability of progenitor cells to attach to a scaffold surface
Johannes Frueh et al.
Physical chemistry chemical physics : PCCP, 15(2), 483-488 (2012-11-23)
Polyelectrolyte multilayers (PEMs) deposited on flexible supports are promising candidates for many applications ranging from controlled wettability over stimuli responsive nanovalves to lithography free surface structuring. Since many potential applications involve elongation of these films, we investigated the effect of
Ahmed Chaaban et al.
Renal failure, 35(2), 185-188 (2013-02-14)
There is insufficient evidence on the utility of potassium-binding resins in patients with end-stage renal disease on dialysis. In addition, their poor tolerability raises concerns of patient adherence. We aimed to assess the efficacy of calcium resonium and investigate the
Jean-Christy F Cameron et al.
Paediatric drugs, 15(1), 43-48 (2013-01-19)
In pediatric patients at risk of hyperkalemia there are limited treatment or preventive alternatives for this electrolyte imbalance. Oral or rectal sodium polystyrene sulfonate (SPS) has several potential adverse effects, and dietary potassium restriction may compromise nutrition. Pretreatment of infant
E V Durdenko et al.
Bioorganicheskaia khimiia, 38(4), 421-430 (2012-11-30)
X-ray analysis shows the presence of specific anion-binding sites in proteins for sulfate, citrate and phosphate ions, but the functional role of these anions is not always clear. Thus, it is unknown which of the two types, mono- or divalent


Polyelectrolyte Multilayer Films and Membrane Functionalization

We present an article that discusses two applications in particular; first, using these layers as polyelectrolyte membranes to control permeability.

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