Chlorosulfonic Acid

Chlorosulfonic acid is the hygroscopic, inorganic sulfonic acid of chlorine. Commonly used to prepare alkyl sulfates, chlorosulfonic acid should be used with caution as it reacts violently with water to yield sulfuric acid and hydrogen chloride.

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Chlorosulfonic acid, typically 99%, Thermo Scientific Chemicals

CAS: 7790-94-5 Molecular Formula: ClHO3S Molecular Weight (g/mol): 116.515 MDL Number: MFCD00011523 InChI Key: XTHPWXDJESJLNJ-UHFFFAOYSA-N Synonym: chlorosulfonic acid,chlorosulfuric acid,sulfuric chlorohydrin,chlorosulphuric acid,chlorosulphonic acid,monochlorosulfuric acid,unii-2o9axl1tj4,sulfonic acid, monochloride,chloridosulfuric acid,hsdb 909 PubChem CID: 24638 IUPAC Name: sulfurochloridic acid SMILES: OS(=O)(=O)Cl

Pricing & Availability
Specifications

PubChem CID	24638
CAS	7790-94-5
Molecular Weight (g/mol)	116.515
MDL Number	MFCD00011523
SMILES	OS(=O)(=O)Cl
Synonym	chlorosulfonic acid,chlorosulfuric acid,sulfuric chlorohydrin,chlorosulphuric acid,chlorosulphonic acid,monochlorosulfuric acid,unii-2o9axl1tj4,sulfonic acid, monochloride,chloridosulfuric acid,hsdb 909
IUPAC Name	sulfurochloridic acid
InChI Key	XTHPWXDJESJLNJ-UHFFFAOYSA-N
Molecular Formula	ClHO3S

Sigma Aldrich Fine Chemicals Biosciences Chlorosulfonic acid, 7790-94-5, MFCD00011523, 100 g

Linear Formula: ClSO3H, Molecular Weight: 116.52, 99%. Chlorosulfonic acid may be used in the following processes: Synthesis of di-n-butyl ammonium chlorosulfonate, a secondary amine ionic liquid. To prepare sulfonated polyethersulfone (SPES) with enhanced hydrophilic property.