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Molecule

Chlorosulfonyl Isocyanate

CAS: 1189-71-5 · CClNO3S

2D Structure

3D Structure

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Basic Information

CAS Registry Number
1189-71-5
Molecular Formula
CClNO3S
Molecular Mass
141.54 g/mol

Identifiers

CAS Registry Number

1189-71-5

SMILES

O=C=NS(=O)(=O)Cl

InChI Key

WRJWRGBVPUUDLA-UHFFFAOYSA-N

InChI

InChI=1S/CClNO3S/c2-7(5,6)3-1-4

Names and Synonyms

  • Chlorosulfonyl Isocyanate Synonym
  • Sulfuryl chloride isocyanate Synonym
  • Isocyanic acid, anhydride with chlorosulfonic acid Synonym
  • Chlorosulfuric acid, anhydride with isocyanic acid Synonym
  • Isocyanic acid, anhydride with chlorosulfuric acid Synonym
  • Chlorosulfonyl isocyanate Synonym
  • N-Chlorosulfonyl isocyanate Synonym
  • Chlorsulfonyl isocyanate Synonym
  • CSI Synonym
  • Sulfonyl chloride isocyanate Synonym
  • Sulfurisocyanatidic chloride Synonym
  • Chlorosulfonamide isocyanate Synonym
  • [(Chlorosulfonyl)imino]methanone Synonym

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 141.54 g/mol CAS Common Chemistry
141.535 g/mol RDKit
141.525 g/mol chempirical lib
Density 1.63 g/cm³ CAS Common Chemistry
1.626 g/cm3 @ 20 °C CAS Common Chemistry
Wikipedia Url https://en.wikipedia.org/wiki/Chlorosulfonyl_isocyanate CAS Common Chemistry
Boiling Point 107 °C CAS Common Chemistry
Canonical SMILES O=C=NS(=O)(=O)Cl CAS Common Chemistry
InChI InChI=1S/CClNO3S/c2-7(5,6)3-1-4 CAS Common Chemistry
InChI Key InChIKey=WRJWRGBVPUUDLA-UHFFFAOYSA-N CAS Common Chemistry
Melting Point -44 °C CAS Common Chemistry
Name Chlorosulfonyl isocyanate CAS Common Chemistry
Heavy Atom Count 7 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 1 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 63.57 Ų RDKit
LogP -0.19419999999999993 RDKit
-0.1942 RDKit
Molar Refractivity 22.8943 cm³/mol RDKit
Ring Count 0 RDKit
Formal Charge 0 RDKit
Fraction Csp3 0.0 RDKit
Exact Mass 140.92874154 g/mol RDKit

Spectral Data

NMR, IR, and Mass spectral data

Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

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MW = 141.54 g/mol; density = 1.630 g/mL. Edit any field — others recompute live.

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