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Nitriles, nitro and azo compounds

N-Phenylhydroxylamine

Also known as Phenylhydroxylamine, N-Hydroxyaniline, N-Hydroxybenzenamine

CAS 100-65-2Formula C6H7NOMolar mass 109.13 g/molEC 202-875-6
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 10 suppliers listed
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N-Phenylhydroxylamine chemical structure, C6H7NO, CAS 100-65-2
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Needles from saturated sodium chloride soln
Melting point
82 °C
Solubility
Soluble in hot water
HS code
292800
Category
Nitriles, nitro and azo compounds
UN number
UN 2811
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is N-Phenylhydroxylamine?

Plain description, key identifiers and synonyms

N-phenylhydroxylamine is an N-substituted amine that is a derivative of aniline in which one of the amino hydrogen atoms is replaced with a hydroxy substituent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-phenylhydroxylamine
CAS number
100-65-2 CAS number cross-checked
EC number
202-875-6
Molecular formula
C6H7NO
UNII
282MU82Z9A
MDL number
MFCD00045718
InChIKey
CKRZKMFTZCFYGB-UHFFFAOYSA-N
InChI
InChI=1S/C6H7NO/c8-7-6-4-2-1-3-5-6/h1-5,7-8H
SMILES (canonical and isomeric)
C1=CC=C(C=C1)NO

Synonyms

  • Phenylhydroxylamine
  • N-Hydroxyaniline
  • N-Hydroxybenzenamine
  • Phenylhydroxyamine
  • Hydroxylaminobenzene
  • Aniline, N-hydroxy-
  • Hydroxylamine, N-phenyl-
  • Benzene, hydroxylamino-
  • (Hydroxyamino)benzene
  • beta-Phenylhydroxylamine
  • Benzenamine, N-hydroxy-
  • N-hydroxylaniline
  • Hydroxyaminobenzene
  • N-Phenyl-hydroxylamine
  • phenylhydroxylamin
  • phenyl hydroxyamine
  • phenyl hydroxylamine
  • NBE
  • N-phenyl-hydroxyamine
  • N-phenyl hydroxylamine
  • N-hydroxylamino-benzene
  • 4-15-00-00004 (Beilstein Handbook Reference)
  • Phenylhydroxylamine, n-
  • Ckrzkmftzcfygb-uhfffaoysa-
  • N-Phenylhydroxylamine, >=97.0% (GC)

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

Appearance
Needles from saturated sodium chloride solnexp.
Melting point
82 °Cexp.
Solubility
Soluble in hot waterexp.

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
109.13 g/molcalc.
Exact mass
109.0528 Dacalc.
LogP (octanol/water)
1.49calc.
Topological polar surface area
32.26 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
8calc.
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

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H301Toxic if swallowed.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 2811

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

N-Phenylhydroxylamine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 10 suppliers
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Where suppliers are based

10 suppliers in 3 countries

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N-Phenylhydroxylamine 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

Chemical intermediate for cupferron (a reagent) & p-aminophenol.

How it is made

Reaction of an alcoholic solution of nitrobenzene with zinc dust and a small quantity of calcium chloride

Prepd by zinc reduction of nitrobenzene in ammonium chloride solution: kamm, organic synthesis 4, 57 (1925).

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 N-Phenylhydroxylamine 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 N-Phenylhydroxylamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about N-Phenylhydroxylamine, based on the data on this page

What is N-Phenylhydroxylamine?

N-phenylhydroxylamine is an N-substituted amine that is a derivative of aniline in which one of the amino hydrogen atoms is replaced with a hydroxy substituent.

What is the CAS number of N-Phenylhydroxylamine?

The CAS registry number of N-Phenylhydroxylamine is 100-65-2.

What is the molecular formula and weight of N-Phenylhydroxylamine?

The molecular formula of N-Phenylhydroxylamine is C6H7NO and its molar mass is 109.13 g/mol.

What is N-Phenylhydroxylamine used for?

Chemical intermediate for cupferron (a reagent) & p-aminophenol.

Is N-Phenylhydroxylamine hazardous?

N-Phenylhydroxylamine carries the GHS signal word "Danger". Main hazards: toxic if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of N-Phenylhydroxylamine?

N-Phenylhydroxylamine 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 N-Phenylhydroxylamine?

CompoundList lists 10 suppliers of N-Phenylhydroxylamine in China, Switzerland and 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 N-Phenylhydroxylamine?

Suppliers quote N-Phenylhydroxylamine 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 N-Phenylhydroxylamine

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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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