Vinyl Sulfonate (VS)

Vinyl sulfonate is an organosulfur compound with the formula CH₂ = CHSO₃H. It is one of the simplest unsaturated sulfonic acids.

physical and chemical properties:

It is a colorless, water-soluble compound, but commercial specimens may appear yellow or red.

The most important physical and chemical properties of this compound can be summarized in the following table:

Chemical formula	C2H4O3S
Molar mass	108.11 g·mol−1
Appearance	Colorless liquid
Boiling point	128 °C
PH	8-12
Solubility	soluble in water
Color	Light yellow
Form	liquid
Chemical Structure Depiction

Vinyl sulfonate production process:

Produced in the industry through alkaline hydrolysis of carbonyl sulfate and acidification of sodium vinyl sulfonate:

This reaction is very exothermic

This compound is also produced by dehydrating ethionic acid with phosphorus pentoxide:

Applications and uses of Vinyl sulfonate:

• Vinyl sulfonate monomer is used in the preparation of homopolymers and highly acidic or anionic copolymers.
• Used as a brightener and leveler in nickel baths.
• also as an intermediary in the pharmaceutical industry, Surfactants, and organic synthesis are used.
• It is used as a photoresist in the electronics industry, as an ion-conducting polymer electrolyte membrane for fuel cells.

Safety information of Vinyl sulfonate:

Irritant to eyes, skin, mucous membranes, and respiratory system. May be harmful by ingestion, skin absorption, and inhalation.

Maybe corrosive to metals.

First-aid measures:

• Skin Contact: Immediately flush skin with water.
• Inhalation: move the person to the fresh air.
• Eye Contact: Rinse eyes with water for at least 15-20 minutes.
• Ingestion: Do not induce vomiting. Get medical aid immediately. Call a poison control center.

Packing and storage:

Store in a cool, dry, well-ventilated area away from heat and sources of ignition. Keep containers tightly closed.

Always store away from incompatible compounds such as oxidizing agents.