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434558

Sigma-Aldrich

Poly(4-styrenesulfonic acid-co-maleic acid) sodium salt

average Mw ~20,000, powder

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About This Item

Linear Formula:
[CH2CH(C6H4SO3R)]x[CH(CO2R)CH(CO2R)]y, R=H or Na
CAS Number:
68037-40-1
MDL number:
MFCD00217739
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder

mol wt

average Mw ~20,000

viscosity

30 cP, 30 % in H2O(lit.)

density

0.94 g/mL at 25 °C

InChI

1S/C8H8.C4H2O3.Na/c1-2-8-6-4-3-5-7-8;5-3-1-2-4(6)7-3;/h2-7H,1H2;1-2H;/q;;+1

InChI key

AGYUYWQDVRLUBV-UHFFFAOYSA-N

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General description

1:1 4-styrenesulfonic acid:maleic acid mole ratio

Application

Scale control. Dispersant for pigments, clays and fillers.

Features and Benefits

High charge density. Slight surface activity, low foaming.

pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319

Hazard Classifications

Eye Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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