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P-Toluenesulfonyl Isocyanate

CAS: 4083-64-1 | C8H7NO3S

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4083-64-1
Molecular Formula: C8H7NO3S
Molecular Mass: 197.22 g/mol

Names and Synonyms:

P-Toluenesulfonyl Isocyanate
Benzenesulfonyl isocyanate, 4-methyl-
p-Toluenesulfonic acid, anhydride with isocyanic acid
Isocyanic acid, anhydride with p-toluenesulfonic acid
4-Methylbenzenesulfonyl isocyanate
p-Toluenesulfonyl isocyanate
4-Toluenesulfonyl isocyanate
p-Tosyl isocyanate
p-Methylphenylsulfonyl isocyanate
4-Methylphenylsulfonyl isocyanate
Tosyl isocyanate
p-Methylbenzenesulfonyl isocyanate
Additive TI
PTSI
Toluenesulfonyl isocyanate
4-Toluolsulfonyl isocyanate
HK-additive TI
TI

Identifiers:

SMILES:
Cc1ccc(S(=O)(=O)N=C=O)cc1
InChI:
InChI=1S/C8H7NO3S/c1-7-2-4-8(5-3-7)13(11,12)9-6-10/h2-5H,1H3

Key Properties

Boiling Point
114-116 °C @ Press: 0.3-0.5 Torr CAS Common Chemistry
Melting Point
188-189 °C CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

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

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 197.22 g/mol CAS Common Chemistry
197.215 g/mol RDKit
197.014664084 g/mol RDKit
Boiling Point 114-116 °C @ Press: 0.3-0.5 Torr CAS Common Chemistry
Canonical SMILES O=C=NS(=O)(=O)C1=CC=C(C=C1)C CAS Common Chemistry
InChI InChI=1S/C8H7NO3S/c1-7-2-4-8(5-3-7)13(11,12)9-6-10/h2-5H,1H3 CAS Common Chemistry
InChI Key InChIKey=VLJQDHDVZJXNQL-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 188-189 °C CAS Common Chemistry
Name p-Toluenesulfonyl isocyanate CAS Common Chemistry
Heavy Atom Count 13 RDKit
Hydrogen Bond Acceptors 3 RDKit
Hydrogen Bond Donors 0 RDKit
Rotatable Bonds 2 RDKit
Aromatic Ring Count 1 RDKit
Topological Polar Surface Area 63.57 Ų RDKit
LogP 1.01952 RDKit
Molar Refractivity 46.48630000000002 RDKit

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