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Substance Name: Chlorosulfonic acid
RN: 7790-94-5
UNII: 2O9AXL1TJ4
InChIKey: XTHPWXDJESJLNJ-UHFFFAOYSA-N

Classification Code

  • Reportable Quantity (RQ) = 1000 lb

Molecular Formula

  • Cl-H-O3-S

Molecular Weight

  • 116.5239
 
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Names and Synonyms

Name of Substance

  • Chlorosulfonic acid

Synonyms

  • Chlorosulfonic acid
  • Chlorosulfuric acid
  • EC 232-234-6
  • EINECS 232-234-6
  • HSDB 909
  • Monochlorosulfuric acid
  • Sulfonic acid, monochloride
  • Sulfuric chlorohydrin
  • UNII-2O9AXL1TJ4

Systematic Names

  • Chlorosulfuric acid
  • Chlorosulphuric acid

Superlist Names

  • Chlorosulfonic acid
  • Chlorosulfonic acid (with or without sulfur trioxide)
  • Chlorosulfonic acid (with or without sulfur trioxide) [UN1754] [Corrosive]
  • Chlorosulfuric acid
  • UN1754

Registry Numbers

CAS Registry Number

  • 7790-94-5

FDA UNII

  • 2O9AXL1TJ4

Other Registry Number

  • 127529-03-7

System Generated Number

  • 0007790945

Structure Descriptors

InChI

1S/ClHO3S/c1-5(2,3)4/h(H,2,3,4)

InChIKey

XTHPWXDJESJLNJ-UHFFFAOYSA-N

Smiles

S(=O)(=O)(O)Cl

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 inhalation 4779mg/m3/4H (4779mg/m3) BEHAVIORAL: ATAXIA

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
National Technical Information Service. Vol. OTS0541018,
rat LD50 oral 50mg/kg (50mg/kg) LUNGS, THORAX, OR RESPIRATION: CYANOSIS

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
National Technical Information Service. Vol. OTS0570953,