Chlorosulfonic Acid

CAS# 7790-94-5

Product Description

Chlorosulfonic acid is a strong acid with versatile industrial applications.

Product:

Chlorosulfonic Acid

CAS:

7790-94-5

Synonym:

Sulfurochloridic acid; Sulfuric chlorohydrin;

Structure:

Typical Characteristics

Appearance

Colorless to yellow fuming liquid

Boiling point

151-152 °C/755 mmHg

Density

1.753 g/cm3

Melting point

-80 °C

Molecular Weight

116.52

Odor

Pungent odor

Purity

99%

Refractive index

1.433

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We Offer Chlorosulfonic Acid
in various grades

A few of the grades available are listed below:

Chlorosulfonic Acid used in many
industry applications

Chlorosulfonic acid is a strong acid with versatile industrial applications. Here are some of its uses:

  1. Organic Synthesis: Chlorosulfonic acid is widely used as a sulfonating agent in organic synthesis. It introduces sulfonic acid groups (-SO3H) into organic molecules, allowing for the production of a variety of sulfonic acid derivatives, which are valuable intermediates in the synthesis of dyes, pharmaceuticals, and agrochemicals.
  2. Chemical Manufacturing: Chlorosulfonic acid serves as a key raw material in the manufacture of various chemicals, including sulfonate surfactants, detergents, and specialty chemicals. It is used in the production of alkylbenzene sulfonates (ABS), which are important ingredients in household and industrial detergents.
  3. Polymerization: Chlorosulfonic acid is utilized in the polymer industry as a catalyst or initiator in the polymerization of certain monomers, such as styrene and vinyl acetate. It promotes the formation of polymer chains by initiating chemical reactions that lead to the formation of polymer structures with desired properties.
  4. Desulfurization: Chlorosulfonic acid is employed in the petrochemical industry for desulfurization of hydrocarbons, particularly in the production of low-sulfur fuels. It reacts with sulfur-containing compounds to convert them into more volatile species, which can be removed from fuel streams through distillation or other separation processes.
  5. Reagent in Laboratory: Chlorosulfonic acid is used as a reagent in laboratory synthesis and analytical chemistry. It is employed in various reactions, such as esterification, dehydration, and chlorination, due to its strong acidic and chlorinating properties. However, it requires careful handling and should be used with caution due to its corrosive and toxic nature.
  6. Electroplating: Chlorosulfonic acid may be used in electroplating processes for the deposition of metal coatings on surfaces. It serves as an electrolyte in electroplating baths, facilitating the transfer of metal ions from the anode to the cathode, where they form a metallic layer through electrodeposition.
  7. Textile Industry: Chlorosulfonic acid finds applications in the textile industry for the sulfonation of dyes and pigments. It is used to modify the chemical structure of dyes, imparting desired properties such as solubility, stability, and affinity for textile fibers, which enhances the performance and colorfastness of dyed materials.