4-STYRENESULFONIC ACID, SODIUM SALT HYDR ATE Chemical Properties

Melting point:

151-154°C

Density 

1.043 g/mL at 25 °C

refractive index 

n20/D 1.387

Flash point:

26°C

Water Solubility 

Soluble in water

form 

powder to crystal

color 

White to Almost white

Boiling point:

111-112°C

Safety Information

Hazard Codes 

Xn

Risk Statements 

22-36/37/38

Safety Statements 

26-36/37

RIDADR 

UN 1987C 3 / PGIII

WGK Germany 

3

HS Code 

29041000

4-STYRENESULFONIC ACID, SODIUM SALT HYDR ATE Usage And Synthesis

Uses

4-Styrenesulfonic acid sodium salt hydrate( NaSS, SSAS) was grafted on poly(ethersulfone) (PES) membrane to determine the fractionation of proteins with similar molecular weights and close pI values. NaSS based ion exchange membranes for membrane capacitive deionization (MCDI) have been synthesized. Copolymerization characteristics of sodium styrenesulfonate has been studied.c

General Description

4-Styrenesulfonic acid sodium salt hydrate is a water soluble vinyl monomer. It can be polymerized to form copolymers/homopolymers with other vinyl monomers.

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