434558

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

average M_w ~20,000, powder

• 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

Properties

• form: powder
• Quality Level: 100
• mol wt: average M_w ~20,000
• viscosity: 30 cP, 30 % in H₂O(lit.)
• density: 0.94 g/mL at 25 °C
• SMILES string: [Na+].O2C(=O)C=CC2=O.c1(ccccc1)C=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

Description

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.

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H319
• pcodes: P305 + P351 + P338
• 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