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671576

Sigma-Aldrich

N-Phenylhydroxylamine

≥95.0%

Synonym(s):

N-Hydroxyaniline, N-Hydroxybenzenamine

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About This Item

Empirical Formula (Hill Notation):
C6H7NO
CAS Number:
Molecular Weight:
109.13
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥95.0%

form

solid

mp

80-84 °C

storage temp.

−20°C

SMILES string

ONc1ccccc1

InChI

1S/C6H7NO/c8-7-6-4-2-1-3-5-6/h1-5,7-8H

InChI key

CKRZKMFTZCFYGB-UHFFFAOYSA-N

Application

N-Phenylhydroxylamine can be used as a starting material for the synthesis of:
  • 2-alkylindoles by treating with aliphatic terminal alkynes using gold catalyst via sequential 3,3-rearrangements and cyclodehydrations.
  • Isoxazolidines by reacting with aldehydes and α, β-unsaturated aldehydes via a three-component one-pot catalytic reaction.
  • Tetrahydro-1,2-oxazines by treating with an aldehyde and cyclopropane via homo 3+2 dipolar cycloaddition reaction.

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Au-catalyzed synthesis of 2-alkylindoles from N-arylhydroxylamines and terminal alkynes
Wang Y, et al.
Chemical Communications (Cambridge, England), 47(27), 7815-7817 (2011)
T P Bradshaw et al.
Free radical biology & medicine, 18(2), 279-285 (1995-02-01)
Previous studies have shown that incubation of rat red blood cells in vitro with phenylhydroxylamine (50-300 microM) induces rapid splenic sequestration of the red cells on reintroduction to isologous rats. EPR and the spin trapping agent, 5,5-dimethyl-1-pyrroline-N-oxide (DMPO), were utilized
Copper-catalyzed amination of alkenes and ketones by phenylhydroxylamine.
Ho C-M and Lau T-C
New. J. Chem., 24(11), 859-863 (2000)
Vance G Nielsen et al.
Blood coagulation & fibrinolysis : an international journal in haemostasis and thrombosis, 22(8), 657-661 (2011-08-09)
Cigarette smoking is associated with plasmatic hypercoagulability, and carbon monoxide has been demonstrated to enhance coagulation by binding to a fibrinogen-bound heme. Our objective was to design and test a redox-based method to detect carboxyhemefibrinogen. Normal, pooled, citrated plasma was
C C Somerville et al.
Journal of bacteriology, 177(13), 3837-3842 (1995-07-01)
Pseudomonas pseudoalcaligenes JS45 grows on nitrobenzene as a sole source of carbon, nitrogen, and energy. The catabolic pathway involves reduction to hydroxylaminobenzene followed by rearrangement to o-amino-phenol and ring fission (S. F. Nishino and J. C. Spain, Appl. Environ. Microbiol.

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