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Aromatic building blocks

Pentachloroacetophenone

Also known as 1-(Pentachlorophenyl)ethanone, 1-(perchlorophenyl)ethanone, 1-(2,3,4,5,6-pentachlorophenyl)ethanone

CAS 25201-35-8Formula C8H3Cl5OMolar mass 292.38 g/mol
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Pentachloroacetophenone chemical structure, C8H3Cl5O, CAS 25201-35-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
25201-35-8
Formula
C8H3Cl5O
Molar mass
292.38 g/mol
HS code
291479
Category
Aromatic building blocks

What is Pentachloroacetophenone?

Plain description, key identifiers and synonyms

Pentachloroacetophenone is a chemical substance with the molecular formula C8H3Cl5O and a molar mass of 292.38 g/mol. Its CAS registry number is 25201-35-8. The IUPAC name is 1-(2,3,4,5,6-pentachlorophenyl)ethanone.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(2,3,4,5,6-pentachlorophenyl)ethanone
CAS number
25201-35-8 CAS number cross-checked
Molecular formula
C8H3Cl5O
InChIKey
HPWXYMIPHGLDLX-UHFFFAOYSA-N
InChI
InChI=1S/C8H3Cl5O/c1-2(14)3-4(9)6(11)8(13)7(12)5(3)10/h1H3
SMILES (canonical and isomeric)
CC(=O)C1=C(C(=C(C(=C1Cl)Cl)Cl)Cl)Cl

Synonyms

  • 1-(Pentachlorophenyl)ethanone
  • 1-(perchlorophenyl)ethanone
  • 1-(2,3,4,5,6-pentachlorophenyl)ethanone
  • Ethanone, 1-(pentachlorophenyl)-
  • Acetophenone, 2',3',4',5',6'-pentachloro-
  • 1-(Pentachlorophenyl)ethan-1-one
  • 4-07-00-00646 (Beilstein Handbook Reference)

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
292.38 g/molcalc.
Exact mass
289.8627 Dacalc.
LogP (octanol/water)
5.16calc.
Topological polar surface area
17.07 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
1calc.
Heavy atoms
14calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.13calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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.

Pentachloroacetophenone suppliers

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Pentachloroacetophenone price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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

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 Pentachloroacetophenone is traded under.

HS 2914.79Indicative HS code

Halogenated, sulphonated, nitrated or nitrosated derivatives, other

World exports in 2024
$558M
−12.1% vs 2023, imports $608M
2019 to 2024
Top exporters
  1. China41.2%
  2. India * partner reported28.7%
  3. Germany16.7%
Top importers
  1. United States29.1%
  2. Italy9.9%
  3. Switzerland * partner reported8.8%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Pentachloroacetophenone, based on the data on this page

What is Pentachloroacetophenone?

Pentachloroacetophenone is a chemical substance with the molecular formula C8H3Cl5O and a molar mass of 292.38 g/mol. Its CAS registry number is 25201-35-8. The IUPAC name is 1-(2,3,4,5,6-pentachlorophenyl)ethanone.

What is the CAS number of Pentachloroacetophenone?

The CAS registry number of Pentachloroacetophenone is 25201-35-8.

What is the molecular formula and weight of Pentachloroacetophenone?

The molecular formula of Pentachloroacetophenone is C8H3Cl5O and its molar mass is 292.38 g/mol.

What is Pentachloroacetophenone used for?

Known uses and roles of Pentachloroacetophenone include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Pentachloroacetophenone hazardous?

No GHS hazard classification for Pentachloroacetophenone 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 Pentachloroacetophenone?

Pentachloroacetophenone is usually classified under HS code 291479 (Halogenated, sulphonated, nitrated or nitrosated derivatives, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pentachloroacetophenone?

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

What is the price of Pentachloroacetophenone?

Suppliers quote Pentachloroacetophenone 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 Pentachloroacetophenone

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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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