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Sodium p-styrenesulfonate

Basic information Chemical Reactivity Application Safety Supplier Related

Sodium p-styrenesulfonate Basic information

Product Name:
Sodium p-styrenesulfonate
Synonyms:
  • Styrene-4-sulfonic acid sodiuM salt hydrate, tech. 90%
  • SodiuM p-styrenesulf
  • SodiuM 4-vinylbenzenesulfonate hydrate
  • SodiuM 4-vinylbenzenesulfon
  • p-Sodium styrenesulfonate
  • Sodium p-styrenesulfonate ,95%
  • p-Vinylbenzenesulphonic acid sodium salt hydrate, tech. 90%
  • Styrene sulfonate
CAS:
2695-37-6
MF:
C8H7NaO3S
MW:
206.19
EINECS:
220-266-3
Product Categories:
  • Aromatic Esters
  • bc0001
Mol File:
2695-37-6.mol
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Sodium p-styrenesulfonate Chemical Properties

Melting point:
151-154 °C
Boiling point:
111-112 °C
Density 
1.043 g/mL at 25 °C
vapor pressure 
0Pa at 25℃
refractive index 
n20/D 1.387
Flash point:
78 °F
storage temp. 
Keep in dark place,Sealed in dry,Room Temperature
form 
Powder
color 
White
Water Solubility 
Soluble in water.
Hydrolytic Sensitivity
0: forms stable aqueous solutions
BRN 
3575931
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
XFTALRAZSCGSKN-UHFFFAOYSA-M
LogP
-3.44 at 24℃
CAS DataBase Reference
2695-37-6(CAS DataBase Reference)
EPA Substance Registry System
Benzenesulfonic acid, 4-ethenyl-, sodium salt (2695-37-6)
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Safety Information

Hazard Codes 
Xn,Xi
Risk Statements 
22-36/37/38-41-37/38-37-20/22-10
Safety Statements 
26-36/37-36-36/37/39-39
WGK Germany 
3
8-23
TSCA 
Yes
HS Code 
29049090

MSDS

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Sodium p-styrenesulfonate Usage And Synthesis

Chemical Reactivity

Sodium p-styrenesulfonate (NaSS) is a functional monomer having a radical polymerizable vinyl group, a hydrophobic benzene ring having π electrons, and a sulfonic acid (salt) group that is a strong electrolyte and has been valued in various industrial fields.
With the inductive effect of sulfo radical on the para position against vinyl group, sodium p-styrenesulfonate (NaSS) possesses the highest reactivity (polymerization activity) among all sulfonated vinyl monomers. It performs radical polymerization in such polar solvents as DMF, DMSO and water using common or redox polymerization initiators. For example, it has been used as a reactive emulsifier in order to improve stability of an emulsion and water resistance or cationic dye dyeability of a (emulsion) polymer.

Application

Sodium p-styrenesulfonate has been used as a reactive emulsifier in order to improve stability of an emulsion and water resistance or cationic dye dyeability of a (emulsion) polymer. Further, a polymer or a copolymer of sodium p-styrenesulfonate has been used as a dispersant for producing various aqueous dispersions of pigments, antioxidants, various polymers (tackifier resins, chloroprene rubber, polyacrylic acid esters, polyesters, styrene-butadiene copolymers, polyvinyl chloride, poly-acrylonitrile, polysilicones, conductive polymers and the like), nanocarbon materials, silica particles for hot forging release agents or abrasives, battery electrode materials (carbon, lithium iron phosphate, lithium manganese phosphate and the like), photographic silver halides and the like.
Furthermore, the polymer of sodium p-styrenesulfonate has been utilized as synthetic starch for clothing finishing such as an ironing agent, a hair care product, an antistatic agent, a resist acid generator, a water treatment agent, an allergen scavenger, an ion-exchange resin, a plating solution additive, a detergent for production of semiconductors and hard disks, an additive to fluids for shale oil drilling and a flame retardant for resins.

Chemical Properties

white to light beige powder

Uses

Styrene-4-sulfonic acid sodium salt is grafted on poly(ethersulfone) membrane to determine the fractionation of proteins with similar molecular weights. It is used as sodium based ion exchange membranes for membrane capacitive deionization (MCDI) for synthesis. It is used in the study of copolymerization characteristics of sodium styrenesulfonate.

Flammability and Explosibility

Non flammable

Sodium p-styrenesulfonate Preparation Products And Raw materials

Raw materials

Sodium p-styrenesulfonate Supplier

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