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ELRASATM - CSA

Chlorosulfonic Acid
CAS NUMBER - 7790-94-5
Basic Information
Product Specification
About Product
Chlorosulfonic Acid is a highly reactive chemical used in the production of sulfonic acids, which are key intermediates in the manufacture of detergents, dyes, and pharmaceuticals. It is also employed in the synthesis of chlorosulfonated polyethylene and as a catalyst in various chemical reactions.

Product Specification

SYNONYMS

Chlorosulfuric acid, Sulfuric chlorohydrin, Chlorosulfonic acid

MOLECULAR WEIGHT

116.52 g/mol

CAS NUMBER

7790-94-5

CHEMICAL FORMULA

ClHO3S

HS CODE

28061000

DENSITY

1.75 g/cm³

MELTING POINT

-80 °C

BOILING POINT

151 °C

VISCOSITY

Not applicable

SHELF LIFE

-

TYPICAL PROPERTIES

Highly corrosive, fuming liquid

APPEARANCE

Colorless to pale yellow fuming liquid

Packaging Type

hdpe drum

ClHO3S

hdpe drums

Chemical Name

Chlorosulfonic Acid

Industry

Chemical Intermediates

Application of Chlorosulfonic Acid

  1. Sulfonation Agent: Chlorosulfonic Acid is widely used as a sulfonation agent in the production of detergents and surfactants. Its ability to introduce sulfonic acid groups into organic molecules makes it invaluable in creating compounds with enhanced solubility and detergent properties.
  2. Pharmaceutical Synthesis: In the pharmaceutical industry, Chlorosulfonic Acid is used to synthesize sulfonamide antibiotics and other sulfonated drugs. Its reactivity allows for the efficient introduction of sulfonyl groups, which are crucial for the biological activity of these compounds.
  3. Polymer Modification: It is employed in the modification of polymers, such as the production of chlorosulfonated polyethylene, which is used in coatings and elastomers due to its enhanced chemical resistance and durability.
  4. Catalyst in Chemical Reactions: Chlorosulfonic Acid acts as a catalyst in various chemical reactions, including esterification and polymerization processes, where it facilitates the formation of desired products by enhancing reaction rates.
  5. Dye Manufacturing: It is used in the synthesis of dyes, where it helps introduce sulfonic acid groups that improve dye solubility and binding to fabrics, resulting in more vibrant and durable colors.

About Product

Chlorosulfonic Acid, also known as sulfuric chlorohydrin, is a potent chemical used extensively in industrial applications. As a key sulfonation agent, it plays a critical role in the production of detergents, dyes, and pharmaceuticals. Chlorosulfonic Acid manufacturers focus on producing high-purity grades to meet the stringent demands of these industries. Its reactivity and ability to introduce sulfonic acid groups make it indispensable in creating compounds with enhanced solubility and performance. In the polymer industry, it is used to modify polymers, enhancing their chemical resistance and durability. Safety is paramount when handling Chlorosulfonic Acid due to its corrosive nature, and manufacturers emphasize strict safety protocols to ensure safe usage. The chemical's versatility and effectiveness make it a preferred choice for various applications, highlighting its importance in modern industrial processes.

Features of Chlorosulfonic Acid

  • Highly Reactive: Essential for sulfonation processes in detergents and pharmaceuticals.
  • Versatile Catalyst: Used in esterification and polymerization reactions.
  • Polymer Modifier: Enhances chemical resistance and durability of polymers.
  • Key in Dye Manufacturing: Improves dye solubility and fabric binding.
  • Strict Safety Protocols: Emphasized due to its corrosive nature.

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What is Chlorosulfonic Acid used for?

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