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Aromatic building blocks

Dapsone hydroxylamine

Also known as N-Hydroxydapsone, Dds-noh, HADS

CAS 32695-27-5Formula C12H12N2O3SMolar mass 264.31 g/mol
1 supplier listed
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Dapsone hydroxylamine chemical structure, C12H12N2O3S, CAS 32695-27-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
32695-27-5
Formula
C12H12N2O3S
Molar mass
264.31 g/mol
HS code
293090
Category
Aromatic building blocks

What is Dapsone hydroxylamine?

Plain description, key identifiers and synonyms

Dapsone hydroxylamine is a sulfonic acid derivative.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[4-(4-aminophenyl)sulfonylphenyl]hydroxylamine
CAS number
32695-27-5 CAS number cross-checked
Molecular formula
C12H12N2O3S
UNII
GS5815Z51W
InChIKey
IYDSJDWESCGRKW-UHFFFAOYSA-N
InChI
InChI=1S/C12H12N2O3S/c13-9-1-5-11(6-2-9)18(16,17)12-7-3-10(14-15)4-8-12/h1-8,14-15H,13H2
SMILES (canonical and isomeric)
C1=CC(=CC=C1N)S(=O)(=O)C2=CC=C(C=C2)NO

Synonyms

  • N-Hydroxydapsone
  • Dds-noh
  • HADS
  • 4-Amino-4'-hydroxylaminodiphenylsulfone
  • 4-Hydroxylamino-4'-aminophenyl sulfone
  • Benzenamine, 4-((4-aminophenyl)sulfonyl)-N-hydroxy-
  • N-Hydroxylamine Dapsone
  • N-[4-(4-aminophenyl)sulfonylphenyl]hydroxylamine
  • 4-((4-(hydroxyamino)phenyl)sulfonyl)aniline
  • Dapsonehydroxylamine
  • N-Hydroxy-4,4'-sulfonyldi(aniline)
  • 4-(4-Hydroxylaminophenyl-sulfonyl)aniline
  • [4,(4-Hydroxylaminophenyl-sulfonyl)]aniline
  • NI 1-146-1
  • 4-Amino-4'-hydroxamine-diphenylsulphone
  • 4-(4-Aminobenzene-1-sulfonyl)-N-hydroxyaniline
  • N-[4-(4-aminophenyl)sulonylphenyl]hydroxylamine
  • 4-(Hydroxyamino)-4'-aminodiphenyl sulfone
  • Dapsone-hydroxylamine 100 microg/mL in Acetonitrile

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
264.31 g/molcalc.
Exact mass
264.0569 Dacalc.
LogP (octanol/water)
1.9calc.
Topological polar surface area
92.42 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
18calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=S(=O)(c1ccccc1)c1ccccc1

O=S(=O)(c1ccccc1)c1ccccc1

2 rings, 15 atoms, the Diphenyl sulfone ring system.

1,066 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Dapsone hydroxylamine suppliers

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Where suppliers are based

1 supplier in 1 country

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Dapsone hydroxylamine price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Dapsone hydroxylamine is traded under.

HS 2930.90Indicative HS code

Organo-sulphur compounds, other

World exports in 2024
$5.83B
+0.1% vs 2023, imports $5.93B
2019 to 2024
Top exporters
  1. China40.7%
  2. United States10.9%
  3. Japan9.3%
Top importers
  1. United States13.3%
  2. Brazil12.6%
  3. China6.6%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Dapsone hydroxylamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Dapsone hydroxylamine, based on the data on this page

What is Dapsone hydroxylamine?

Dapsone hydroxylamine is a sulfonic acid derivative.

What is the CAS number of Dapsone hydroxylamine?

The CAS registry number of Dapsone hydroxylamine is 32695-27-5.

What is the molecular formula and weight of Dapsone hydroxylamine?

The molecular formula of Dapsone hydroxylamine is C12H12N2O3S and its molar mass is 264.31 g/mol.

What is Dapsone hydroxylamine used for?

Known uses and roles of Dapsone hydroxylamine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Dapsone hydroxylamine hazardous?

No GHS hazard classification for Dapsone hydroxylamine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Dapsone hydroxylamine?

Dapsone hydroxylamine is usually classified under HS code 293090 (Organo-sulphur compounds, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dapsone hydroxylamine?

CompoundList lists 1 supplier of Dapsone hydroxylamine in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Dapsone hydroxylamine?

Suppliers quote Dapsone hydroxylamine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Dapsone hydroxylamine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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