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Impurities and reference standards

4-Chlorophenylhydroxylamine

Also known as N-(4-Chlorophenyl)hydroxylamine, p-Chlorophenylhydroxylamine, Benzenamine, 4-chloro-N-hydroxy-

CAS 823-86-9Formula C6H6ClNOMolar mass 143.57 g/mol
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4-Chlorophenylhydroxylamine chemical structure, C6H6ClNO, CAS 823-86-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
823-86-9
Formula
C6H6ClNO
Molar mass
143.57 g/mol
HS code
292800
Category
Impurities and reference standards

What is 4-Chlorophenylhydroxylamine?

Plain description, key identifiers and synonyms

4-Chlorophenylhydroxylamine is a chemical substance with the molecular formula C6H6ClNO and a molar mass of 143.57 g/mol. Its CAS registry number is 823-86-9. The IUPAC name is N-(4-chlorophenyl)hydroxylamine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-(4-chlorophenyl)hydroxylamine
CAS number
823-86-9 CAS number cross-checked
Molecular formula
C6H6ClNO
UNII
G45NNF2MXZ
InChIKey
VVQDMDRAUXFEND-UHFFFAOYSA-N
InChI
InChI=1S/C6H6ClNO/c7-5-1-3-6(8-9)4-2-5/h1-4,8-9H
SMILES (canonical and isomeric)
C1=CC(=CC=C1NO)Cl

Synonyms

  • N-(4-Chlorophenyl)hydroxylamine
  • p-Chlorophenylhydroxylamine
  • Benzenamine, 4-chloro-N-hydroxy-
  • N-(p-Chlorophenyl)hydroxylamine
  • Hydroxylamine, N-(p-chlorophenyl)-
  • 4-chloro-N-hydroxybenzenamine
  • N-hydroxy-4-chloraniline
  • N-hydroxy-4-chloroaniline
  • 4-chloro-n-hydroxyaniline
  • Phenacetin Impurity 6
  • p-chlorohydroxylaminobenzene
  • 4-chlorohydroxylaminobenzene
  • 1-chloro-4-hydroxylaminobenzene
  • N-(4-chlorophenyl)-hydroxylamine
  • 1-Chloro-4-(hydroxyamino)benzene #

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
143.57 g/molcalc.
Exact mass
143.0138 Dacalc.
LogP (octanol/water)
2.14calc.
Topological polar surface area
32.26 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
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, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 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.

4-Chlorophenylhydroxylamine suppliers

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4-Chlorophenylhydroxylamine 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

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 4-Chlorophenylhydroxylamine is traded under.

HS 2928.00Indicative HS code

Organic derivatives of hydrazine or of hydroxylamine

World exports in 2024
$1.38B
−9.0% vs 2023, imports $1.52B
2019 to 2024
Top exporters
  1. Switzerland * partner reported44.0%
  2. China18.4%
  3. Italy9.4%
Top importers
  1. Brazil21.8%
  2. United States12.8%
  3. Italy10.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 4-Chlorophenylhydroxylamine?

4-Chlorophenylhydroxylamine is a chemical substance with the molecular formula C6H6ClNO and a molar mass of 143.57 g/mol. Its CAS registry number is 823-86-9. The IUPAC name is N-(4-chlorophenyl)hydroxylamine.

What is the CAS number of 4-Chlorophenylhydroxylamine?

The CAS registry number of 4-Chlorophenylhydroxylamine is 823-86-9.

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

The molecular formula of 4-Chlorophenylhydroxylamine is C6H6ClNO and its molar mass is 143.57 g/mol.

Is 4-Chlorophenylhydroxylamine hazardous?

No GHS hazard classification for 4-Chlorophenylhydroxylamine 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 4-Chlorophenylhydroxylamine?

4-Chlorophenylhydroxylamine is usually classified under HS code 292800 (Organic derivatives of hydrazine or of hydroxylamine). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Chlorophenylhydroxylamine?

Post a free request on CompoundList and suppliers of 4-Chlorophenylhydroxylamine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Chlorophenylhydroxylamine?

Suppliers quote 4-Chlorophenylhydroxylamine 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-Chlorophenylhydroxylamine

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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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