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Aromatic building blocks

4-Hydroxymetanilanilide

Also known as 3-amino-4-hydroxy-N-phenylbenzenesulfonamide, Benzenesulfonamide, 3-amino-4-hydroxy-N-phenyl-, Metanilanilide, 4-hydroxy-

CAS 80-20-6Formula C12H12N2O3SMolar mass 264.31 g/molEC 201-258-9
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4-Hydroxymetanilanilide chemical structure, C12H12N2O3S, CAS 80-20-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
80-20-6
Formula
C12H12N2O3S
Molar mass
264.31 g/mol
EC number
201-258-9
HS code
293590
Category
Aromatic building blocks

What is 4-Hydroxymetanilanilide?

Plain description, key identifiers and synonyms

4-Hydroxymetanilanilide is a chemical substance with the molecular formula C12H12N2O3S and a molar mass of 264.31 g/mol. Its CAS registry number is 80-20-6. The IUPAC name is 3-amino-4-hydroxy-N-phenylbenzenesulfonamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-amino-4-hydroxy-N-phenylbenzenesulfonamide
CAS number
80-20-6 CAS number cross-checked
EC number
201-258-9
Molecular formula
C12H12N2O3S
UNII
IOF34R1G66
InChIKey
IAOZVUUQCPRLOI-UHFFFAOYSA-N
InChI
InChI=1S/C12H12N2O3S/c13-11-8-10(6-7-12(11)15)18(16,17)14-9-4-2-1-3-5-9/h1-8,14-15H,13H2
SMILES (canonical and isomeric)
C1=CC=C(C=C1)NS(=O)(=O)C2=CC(=C(C=C2)O)N

Synonyms

  • 3-amino-4-hydroxy-N-phenylbenzenesulfonamide
  • Benzenesulfonamide, 3-amino-4-hydroxy-N-phenyl-
  • Metanilanilide, 4-hydroxy-
  • 3-Amino-4-hydroxybenzenesulfonanilide
  • 1-Phenol-4-sulfonanilide, 2-amino-
  • Metanilanilide, 4-hydroxy-(8CI)
  • 3-Amino-4-hydroxy-N-phenylbenzenesulphonamide
  • 3-amino-4-hydroxy-N-phenylbenzene-1-sulfonamide

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)
1.78calc.
Topological polar surface area
92.42 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
4calc.
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)(Nc1ccccc1)c1ccccc1

O=S(=O)(Nc1ccccc1)c1ccccc1

2 rings, 16 atoms, the Benzenesulfonanilide ring system.

5,797 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms

Hazard statements

  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (2)
  • P273Avoid release to the environment.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

4-Hydroxymetanilanilide suppliers

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All 4 suppliers
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Where suppliers are based

4 suppliers in 2 countries

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4-Hydroxymetanilanilide 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

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 4-Hydroxymetanilanilide is traded under.

HS 2935.90Indicative HS code

Sulphonamides, other

World exports in 2024
$5.64B
−11.0% vs 2023, imports $8.56B
2019 to 2024
Top exporters
  1. Ireland43.1%
  2. China12.0%
  3. India * partner reported9.5%
Top importers
  1. United States23.6%
  2. Slovenia19.1%
  3. Spain11.7%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for 4-Hydroxymetanilanilide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Hydroxymetanilanilide, based on the data on this page

What is 4-Hydroxymetanilanilide?

4-Hydroxymetanilanilide is a chemical substance with the molecular formula C12H12N2O3S and a molar mass of 264.31 g/mol. Its CAS registry number is 80-20-6. The IUPAC name is 3-amino-4-hydroxy-N-phenylbenzenesulfonamide.

What is the CAS number of 4-Hydroxymetanilanilide?

The CAS registry number of 4-Hydroxymetanilanilide is 80-20-6.

What is the molecular formula and weight of 4-Hydroxymetanilanilide?

The molecular formula of 4-Hydroxymetanilanilide is C12H12N2O3S and its molar mass is 264.31 g/mol.

What is 4-Hydroxymetanilanilide used for?

Known uses and roles of 4-Hydroxymetanilanilide include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 4-Hydroxymetanilanilide hazardous?

4-Hydroxymetanilanilide has a GHS hazard classification. Main hazards: may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 4-Hydroxymetanilanilide?

4-Hydroxymetanilanilide is usually classified under HS code 293590 (Sulphonamides, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Hydroxymetanilanilide?

CompoundList lists 4 suppliers of 4-Hydroxymetanilanilide in India and China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 4-Hydroxymetanilanilide in India?

3 suppliers in India list 4-Hydroxymetanilanilide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 4-Hydroxymetanilanilide?

Suppliers quote 4-Hydroxymetanilanilide 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 4-Hydroxymetanilanilide

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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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