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Halogenated compounds

4-Fluorophenylethynyl bromide

Also known as 1-(2-bromoethynyl)-4-fluorobenzene, 1-Bromo-2-(4-fluorophenyl)acetylene, 1-(bromoethynyl)-4-fluorobenzene

CAS 95895-33-3Formula C8H4BrFMolar mass 199.02 g/mol
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4-Fluorophenylethynyl bromide chemical structure, C8H4BrF, CAS 95895-33-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
95895-33-3
Formula
C8H4BrF
Molar mass
199.02 g/mol
HS code
290399
Category
Halogenated compounds

What is 4-Fluorophenylethynyl bromide?

Plain description, key identifiers and synonyms

4-Fluorophenylethynyl bromide is a chemical substance with the molecular formula C8H4BrF and a molar mass of 199.02 g/mol. Its CAS registry number is 95895-33-3. The IUPAC name is 1-(2-bromoethynyl)-4-fluorobenzene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(2-bromoethynyl)-4-fluorobenzene
CAS number
95895-33-3
Molecular formula
C8H4BrF
MDL number
MFCD30726076
InChIKey
BRTJRZDQIBGKIH-UHFFFAOYSA-N
InChI
InChI=1S/C8H4BrF/c9-6-5-7-1-3-8(10)4-2-7/h1-4H
SMILES (canonical and isomeric)
C1=CC(=CC=C1C#CBr)F

Synonyms

  • 1-(2-bromoethynyl)-4-fluorobenzene
  • 1-Bromo-2-(4-fluorophenyl)acetylene
  • 1-(bromoethynyl)-4-fluorobenzene
  • 1-bromoethynyl-4-fluoro-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
199.02 g/molcalc.
Exact mass
197.948 Dacalc.
LogP (octanol/water)
2.53calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
10calc.
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-Fluorophenylethynyl bromide suppliers

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4-Fluorophenylethynyl bromide 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

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-Fluorophenylethynyl bromide is traded under.

HS 2903.99Indicative HS code

Halogenated derivatives of aromatic hydrocarbons, other

World exports in 2024
$798M
−15.8% vs 2023, imports $786M
2019 to 2024
Top exporters
  1. China51.0%
  2. United States15.9%
  3. Belgium8.6%
Top importers
  1. India * partner reported16.1%
  2. United States14.7%
  3. Germany10.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 4-Fluorophenylethynyl bromide?

4-Fluorophenylethynyl bromide is a chemical substance with the molecular formula C8H4BrF and a molar mass of 199.02 g/mol. Its CAS registry number is 95895-33-3. The IUPAC name is 1-(2-bromoethynyl)-4-fluorobenzene.

What is the CAS number of 4-Fluorophenylethynyl bromide?

The CAS registry number of 4-Fluorophenylethynyl bromide is 95895-33-3.

What is the molecular formula and weight of 4-Fluorophenylethynyl bromide?

The molecular formula of 4-Fluorophenylethynyl bromide is C8H4BrF and its molar mass is 199.02 g/mol.

What is 4-Fluorophenylethynyl bromide used for?

Known uses and roles of 4-Fluorophenylethynyl bromide include building blocks in research and laboratory.

Is 4-Fluorophenylethynyl bromide hazardous?

No GHS hazard classification for 4-Fluorophenylethynyl bromide 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-Fluorophenylethynyl bromide?

4-Fluorophenylethynyl bromide is usually classified under HS code 290399 (Halogenated derivatives of aromatic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Fluorophenylethynyl bromide?

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

What is the price of 4-Fluorophenylethynyl bromide?

Suppliers quote 4-Fluorophenylethynyl bromide 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-Fluorophenylethynyl bromide

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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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