Skip to Content
Merck

Key Documents

View All Documentation

434574

Poly(sodium 4-styrenesulfonate)

average Mw ~1,000,000, powder

Synonym(s):

PSS, Poly(4-styrenesulfonic acid) sodium salt

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
(C8H7NaO3S)n
CAS Number:
25704-18-1
UNSPSC Code:
12162002
NACRES:
NA.23
MDL number:
MFCD00084449
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

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.)

SMILES string

[S](=O)(=O)(O)c1ccc(cc1)C=C

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

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.

Still not finding the right product?

Explore all of our products under Poly(sodium 4-styrenesulfonate)

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library