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Nitriles, nitro and azo compounds

4'-Hydroxyacetophenone oxime

Also known as Ethanone, 1-(4-hydroxyphenyl)-, oxime, 4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one, p-Hydroxyacetophenone Oxime

CAS 34523-34-7Formula C8H9NO2Molar mass 151.17 g/molEC 641-576-9
GHS signal word: Warning. Pictograms: Harmful or irritant
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4'-Hydroxyacetophenone oxime chemical structure, C8H9NO2, CAS 34523-34-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
34523-34-7
Formula
C8H9NO2
Molar mass
151.17 g/mol
EC number
641-576-9
HS code
292800
Category
Nitriles, nitro and azo compounds

What is 4'-Hydroxyacetophenone oxime?

Plain description, key identifiers and synonyms

4'-Hydroxyacetophenone oxime is a chemical substance with the molecular formula C8H9NO2 and a molar mass of 151.17 g/mol. Its CAS registry number is 34523-34-7. The IUPAC name is 4-(N-hydroxy-C-methylcarbonimidoyl)phenol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(N-hydroxy-C-methylcarbonimidoyl)phenol
CAS number
34523-34-7 CAS number cross-checked
EC number
641-576-9
Molecular formula
C8H9NO2
InChIKey
BVZSQTRWIYKUSF-UHFFFAOYSA-N
InChI
InChI=1S/C8H9NO2/c1-6(9-11)7-2-4-8(10)5-3-7/h2-5,10-11H,1H3
SMILES (canonical and isomeric)
CC(=NO)C1=CC=C(C=C1)O

Synonyms

  • Ethanone, 1-(4-hydroxyphenyl)-, oxime
  • 4-[1-(hydroxyamino)ethylidene]cyclohexa-2,5-dien-1-one
  • p-Hydroxyacetophenone Oxime
  • 4-[(E)-N-hydroxy-C-methylcarbonimidoyl]phenol
  • 4-(N-hydroxy-C-methylcarbonimidoyl)phenol
  • para-hydroxyacetophenone oxime

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
151.17 g/molcalc.
Exact mass
151.0633 Dacalc.
LogP (octanol/water)
1.59calc.
Topological polar surface area
52.82 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
1calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (13)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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'-Hydroxyacetophenone oxime suppliers

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4'-Hydroxyacetophenone oxime price

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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, Regulatory flags: Added by a premanufacture notice

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 4'-Hydroxyacetophenone oxime 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'-Hydroxyacetophenone oxime is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4'-Hydroxyacetophenone oxime, based on the data on this page

What is 4'-Hydroxyacetophenone oxime?

4'-Hydroxyacetophenone oxime is a chemical substance with the molecular formula C8H9NO2 and a molar mass of 151.17 g/mol. Its CAS registry number is 34523-34-7. The IUPAC name is 4-(N-hydroxy-C-methylcarbonimidoyl)phenol.

What is the CAS number of 4'-Hydroxyacetophenone oxime?

The CAS registry number of 4'-Hydroxyacetophenone oxime is 34523-34-7.

What is the molecular formula and weight of 4'-Hydroxyacetophenone oxime?

The molecular formula of 4'-Hydroxyacetophenone oxime is C8H9NO2 and its molar mass is 151.17 g/mol.

What is 4'-Hydroxyacetophenone oxime used for?

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

Is 4'-Hydroxyacetophenone oxime hazardous?

4'-Hydroxyacetophenone oxime carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 4'-Hydroxyacetophenone oxime?

4'-Hydroxyacetophenone oxime 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'-Hydroxyacetophenone oxime?

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What is the price of 4'-Hydroxyacetophenone oxime?

Suppliers quote 4'-Hydroxyacetophenone oxime 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'-Hydroxyacetophenone oxime

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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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