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Carboxylic acids and anhydrides

2-(4-Fluorophenyl)propionic acid

Also known as 4-Fluoro-alpha-methylbenzeneacetic acid, 2-(4-fluorophenyl)propanoic acid, 2-(4-Fluoro-phenyl)-propionic acid

CAS 75908-73-5Formula C9H9FO2Molar mass 168.17 g/molEC 278-340-6
GHS signal word: Danger. Pictograms: Acute toxicity (severe) 2 suppliers listed
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2-(4-Fluorophenyl)propionic acid chemical structure, C9H9FO2, CAS 75908-73-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
75908-73-5
Formula
C9H9FO2
Molar mass
168.17 g/mol
EC number
278-340-6
HS code
291639
Category
Carboxylic acids and anhydrides

What is 2-(4-Fluorophenyl)propionic acid?

Plain description, key identifiers and synonyms

2-(4-Fluorophenyl)propionic acid is a chemical substance with the molecular formula C9H9FO2 and a molar mass of 168.17 g/mol. Its CAS registry number is 75908-73-5. The IUPAC name is 2-(4-fluorophenyl)propanoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(4-fluorophenyl)propanoic acid
CAS number
75908-73-5 CAS number cross-checked
EC number
278-340-6
Molecular formula
C9H9FO2
UNII
HWC75SP4UG
MDL number
MFCD00054492
InChIKey
IXSCGBODJGIJNN-UHFFFAOYSA-N
InChI
InChI=1S/C9H9FO2/c1-6(9(11)12)7-2-4-8(10)5-3-7/h2-6H,1H3,(H,11,12)
SMILES (canonical and isomeric)
CC(C1=CC=C(C=C1)F)C(=O)O

Synonyms

  • 4-Fluoro-alpha-methylbenzeneacetic acid
  • 2-(4-fluorophenyl)propanoic acid
  • 2-(4-Fluoro-phenyl)-propionic acid
  • 4-Fluoro-alpha-methylphenylacetic acid
  • Rac-2-(4-fluorophenyl)propanoic acid
  • Benzeneacetic acid, 4-fluoro-alpha-methyl-
  • 2-(4-Fluorophenyl)propanoicAcid
  • p-fluorophenylpropionic acid
  • p-fluorophenyl propionic acid
  • para-Fluorophenylpropionic acid
  • 2-(4-fluoro phenyl)propanoic acid
  • 4-Fluoro-alpha-methylphenylaceticacid
  • Benzeneacetic acid,4-fluoro-a-methyl-
  • 4-fluoro-alpha-methylphenyl acetic acid
  • (+/-)-2-(4-flurophenyl)propanoic acid
  • 4-Fluoro-alpha-methylphenylacetic acid,98%
  • (4-Fluorophenyl)(methyl)acetic acid, 2-(4-Fluorophenyl)propionic acid

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
168.17 g/molcalc.
Exact mass
168.0587 Dacalc.
LogP (octanol/water)
2.01calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.22calc.
Formal charge
0calc.
Stereocentres
1calc.
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.

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

2-(4-Fluorophenyl)propionic acid suppliers

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All 2 suppliers

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Where suppliers are based

2 suppliers in 2 countries

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2-(4-Fluorophenyl)propionic acid 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 2-(4-Fluorophenyl)propionic acid is traded under.

HS 2916.39Indicative HS code

Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$706M
−6.8% vs 2023, imports $714M
2019 to 2024
Top exporters
  1. China49.0%
  2. India * partner reported16.2%
  3. Germany13.2%
Top importers
  1. India * partner reported14.5%
  2. United States12.2%
  3. Germany8.6%

* Partner reported figures, a lower bound.

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

The HS code shown for 2-(4-Fluorophenyl)propionic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2-(4-Fluorophenyl)propionic acid, based on the data on this page

What is 2-(4-Fluorophenyl)propionic acid?

2-(4-Fluorophenyl)propionic acid is a chemical substance with the molecular formula C9H9FO2 and a molar mass of 168.17 g/mol. Its CAS registry number is 75908-73-5. The IUPAC name is 2-(4-fluorophenyl)propanoic acid.

What is the CAS number of 2-(4-Fluorophenyl)propionic acid?

The CAS registry number of 2-(4-Fluorophenyl)propionic acid is 75908-73-5.

What is the molecular formula and weight of 2-(4-Fluorophenyl)propionic acid?

The molecular formula of 2-(4-Fluorophenyl)propionic acid is C9H9FO2 and its molar mass is 168.17 g/mol.

What is 2-(4-Fluorophenyl)propionic acid used for?

Known uses and roles of 2-(4-Fluorophenyl)propionic acid include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2-(4-Fluorophenyl)propionic acid hazardous?

2-(4-Fluorophenyl)propionic acid 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 2-(4-Fluorophenyl)propionic acid?

2-(4-Fluorophenyl)propionic acid is usually classified under HS code 291639 (Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-(4-Fluorophenyl)propionic acid?

CompoundList lists 2 suppliers of 2-(4-Fluorophenyl)propionic acid in China 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 2-(4-Fluorophenyl)propionic acid?

Suppliers quote 2-(4-Fluorophenyl)propionic acid 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 2-(4-Fluorophenyl)propionic acid

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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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