Dapsone

CAS: 80-08-0 · C12H12N2O2S

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 80-08-0
Molecular Formula: C12H12N2O2S
Molecular Mass: 248.31 g/mol

Identifiers

CAS Registry Number

80-08-0

SMILES

Nc1ccc(S(=O)(=O)c2ccc(N)cc2)cc1

InChI Key

MQJKPEGWNLWLTK-UHFFFAOYSA-N

InChI

InChI=1S/C12H12N2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8H,13-14H2

Names and Synonyms

Dapsone Common Name
Atrisone Synonym
Benzenamine, 4,4′-sulfonylbis- Synonym
Aniline, 4,4′-sulfonyldi- Synonym
4,4′-Sulfonylbis[benzenamine] Synonym
1358F Synonym
F 1358 Synonym
Avlosulfon Synonym
Avlosulfone Synonym
Bis(4-aminophenyl) sulfone Synonym
Croysulfone Synonym
DADPS Synonym
Dapsone Synonym
DDS Synonym
p,p′-Diaminodiphenyl sulfone Synonym
4,4′-Diaminodiphenyl sulfone Synonym
Di(p-aminophenyl) sulfone Synonym
Diaphenylsulfone Synonym
Di(4-aminophenyl)sulfone Synonym
Diphenasone Synonym
Diphone Synonym
Disulone Synonym
DSS Synonym
Dumitone Synonym
Eporal Synonym
Metabolite C Synonym
Novophone Synonym
Sulfona-Mae Synonym
p,p′-Sulfonyldianiline Synonym
4,4′-Sulfonyldianiline Synonym
Sulphadione Synonym
4,4′-Sulphonyldianiline Synonym
Udolac Synonym
DDS (pharmaceutical) Synonym
Bis(p-aminophenyl) sulfone Synonym
4-Aminophenyl sulfone Synonym
4,4′-Sulfonylbisbenzamine Synonym
1,1′-Sulfonylbis[4-aminobenzene] Synonym
Sulfona Synonym
p-Aminophenyl sulfone Synonym
Diaphenylsulfon Synonym
Dapson Synonym
4,4′-Sulfonylbisaniline Synonym
HT 976 Synonym
Araldite HT 976 Synonym
Sumicure S Synonym
Hardener HT 976 Synonym
4,4′-Dapsone Synonym
HT 9664 Synonym
Seikacure S Synonym
NSC 6091 Synonym
HY 976 Synonym
Aradur 976-1 Synonym
HT 976-1 Synonym
Servidapson Synonym
4,4′-DDS Synonym
4,4′-Sulfonyldiphenylamine Synonym
DADFS Synonym
HB-MC-GE 40 Synonym
HB-MC-GE 45 Synonym
Lapox K 10 Synonym
Aczone Synonym
Aradur 9664-1 Synonym
4-(4-Aminophenylsulfonyl)benzenamine Synonym
4-(4-Aminophenyl)sulfonylaniline Synonym
Aradur 9761-1 Synonym
4,4′-Diaminobiphenyl sulfone Synonym
HEW 62 Synonym
Aradur 976 Synonym
D 0089 Synonym
Aradur 9664-1NL Synonym
K 10 Synonym
44DDS Synonym

All Properties

Comprehensive physical and chemical properties

Property	Value	Source
Molecular Mass	248.31 g/mol	CAS Common Chemistry
	248.30700000000002 g/mol	RDKit
	248.307 g/mol	RDKit
	248.3 g/mol	chempirical lib
Density	1.39 g/cm³	CAS Common Chemistry
	1.392 g/cm3	CAS Common Chemistry
Canonical SMILES	O=S(=O)(C1=CC=C(N)C=C1)C2=CC=C(N)C=C2	CAS Common Chemistry
InChI	InChI=1S/C12H12N2O2S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8H,13-14H2	CAS Common Chemistry
InChI Key	InChIKey=MQJKPEGWNLWLTK-UHFFFAOYSA-N	CAS Common Chemistry
Melting Point	175-176 °C	CAS Common Chemistry
Name	Dapsone	CAS Common Chemistry
Heavy Atom Count	17	RDKit
Hydrogen Bond Acceptors	4	RDKit
Hydrogen Bond Donors	2	RDKit
Rotatable Bonds	2	RDKit
Aromatic Ring Count	2	RDKit
Topological Polar Surface Area	86.18 Å²	RDKit
LogP	1.6838000000000002	RDKit
	1.6838	RDKit
	1.6	chempirical lib
Molar Refractivity	67.16060000000002 cm³/mol	RDKit
Ring Count	2	RDKit
Formal Charge	0	RDKit
Fraction Csp3	0.0	RDKit
Exact Mass	248.061948624 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

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

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Quick conversion

MW = 248.31 g/mol; density = 1.390 g/mL. Edit any field — others recompute live.

Mass (g) Moles (mmol) Moles (mol) Volume (mL)

Related molecules

Other compounds with formula C12H12N2O2S.

3,3′-Diaminodiphenyl Sulfone CAS 599-61-1 Enoximone CAS 77671-31-9 Benzenesulfonamide, 3-amino-N-phenyl- CAS 80-21-7