Sodium p-styrenesulfonate

Sodium p-styrenesulfonate Basic information
Chemical Reactivity Application
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
Sodium p-styrenesulfonate Structure
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
Fp 78 °F
storage temp. Keep in dark place,Sealed in dry,Room Temperature
form Powder
color White
Water Solubility Soluble in water.
Hydrolytic Sensitivity0: forms stable aqueous solutions
BRN 3575931
Stability:Stable. Incompatible with strong oxidizing agents.
InChIKeyXFTALRAZSCGSKN-UHFFFAOYSA-M
LogP-3.44 at 24℃
CAS DataBase Reference2695-37-6(CAS DataBase Reference)
EPA Substance Registry SystemBenzenesulfonic acid, 4-ethenyl-, sodium salt (2695-37-6)
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 Information
ProviderLanguage
SigmaAldrich English
ALFA English
Sodium p-styrenesulfonate Usage And Synthesis
Chemical ReactivitySodium 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.
ApplicationSodium 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 Propertieswhite to light beige powder
UsesStyrene-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 ExplosibilityNonflammable
Sodium p-styrenesulfonate Preparation Products And Raw materials
Raw materialsEthanol-->Government regulation-->4-(2-BROMOETHYL)BENZENESULFONIC ACID
Preparation ProductsSodium 4-formylbenzenesulfonate-->Benzenesulfonic acid, 4-ethenyl--->Lithium-p-styrenesulfonate
Sodium benzoate Sodium acetate POLY(SODIUM 4-STYRENESULFONATE),POLY(SODIUM P-STYRENESULFONATE),Poly(Sodium4-Styrenesulfonate)solutio sodium Styrene Sodium p-styrenesulfonate Sodium chloride Antirust agent T702 Diclofenac sodium 1-DODECANESULFONIC ACID SODIUM SALT POLY(VINYLSULFONIC ACID, SODIUM SALT) Sodium formate Sodium bicarbonate Sodium hydroxide 2-METHYL-2-PROPENE-1-SULFONIC ACID SODIUM SALT Sodium 1-heptanesulfonate BENZENESULFINIC ACID SODIUM SALT Sodium lignosulfonate

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