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434574

Sigma-Aldrich

Poly(sodium 4-styrenesulfonate)

average Mw ~1,000,000, powder

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Synonym(s):
PSS, Poly(4-styrenesulfonic acid) sodium salt
Linear Formula:
(C8H7NaO3S)n
CAS Number:
25704-18-1
MDL number:
MFCD00084449
NACRES:
NA.23

form

powder

mol wt

average Mw ~1,000,000

viscosity

70-170 cP, 10 wt. % in H2O(25 °C, Brookfield)(lit.)

mp

450 °C (dec.)

solubility

H2O: soluble

density

0.801 g/mL at 25 °C (lit.)

InChI

1S/C8H8O3S/c1-2-7-3-5-8(6-4-7)12(9,10)11/h2-6H,1H2,(H,9,10,11)

InChI key

MAGFQRLKWCCTQJ-UHFFFAOYSA-N

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Application

Dispersant for metal oxides and sulfates, suspending agent for particulates, protective colloid for oil-in-water emulsions and viscosity modifier in aqueous-based adhesives.

Features and Benefits

Anionic polyelectrolyte.

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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