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Analgesics and anti-inflammatories

Felbinac

Also known as 4-Biphenylacetic acid, Traxam, Dolinac

CAS 5728-52-9Formula C14H12O2Molar mass 212.25 g/molEC 227-233-2
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant 48 suppliers listed
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Felbinac chemical structure, C14H12O2, CAS 5728-52-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5728-52-9
Formula
C14H12O2
Molar mass
212.25 g/mol
EC number
227-233-2
HS code
291639
Category
Analgesics and anti-inflammatories

What is Felbinac?

Plain description, key identifiers and synonyms

Biphenyl-4-ylacetic acid is a monocarboxylic acid in which one of the alpha-hydrogens is substituted by a biphenyl-4-yl group. An active metabolite of fenbufen, it is used as a topical medicine to treat muscle inflammation and arthritis. It has a role as a non-steroidal anti-inflammatory drug. It is a member of biphenyls and a monocarboxylic acid. It contains a biphenyl-4-yl group. It is functionally related to an acetic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-(4-phenylphenyl)acetic acid
CAS number
5728-52-9 CAS number cross-checked
EC number
227-233-2
Molecular formula
C14H12O2
UNII
94WNJ5U8L7
MDL number
MFCD00004351
InChIKey
QRZAKQDHEVVFRX-UHFFFAOYSA-N
InChI
InChI=1S/C14H12O2/c15-14(16)10-11-6-8-13(9-7-11)12-4-2-1-3-5-12/h1-9H,10H2,(H,15,16)
SMILES (canonical and isomeric)
C1=CC=C(C=C1)C2=CC=C(C=C2)CC(=O)O

Synonyms

  • 4-Biphenylacetic acid
  • Traxam
  • Dolinac
  • Napageln
  • biphenyl-4-ylacetic acid
  • 4-Carboxymethylbiphenyl
  • p-Biphenylylacetic acid
  • Felbinaco
  • Felbinacum
  • LJC 10,141
  • Flexfree
  • CL 83,544
  • [1,1'-Biphenyl]-4-ylacetic acid
  • (1,1'-biphenyl)-4-ylacetic acid
  • 4-Biphenylylacetic acid
  • 2-(4-phenylphenyl)acetic acid
  • Seltouch
  • [1,1'-Biphenyl]-4-acetic acid
  • p-Biphenylacetic acid
  • 2-([1,1'-biphenyl]-4-yl)acetic acid
  • Biphenyl-4-acetic acid
  • 4-Biphenylaceticacid
  • Acetic acid, (4-biphenylyl)-
  • CL 83544
  • LY 61017
Show all 34 synonyms
  • (1,1'-Biphenyl)-4-acetic acid
  • 4-phenylphenylacetic acid
  • 2-(biphenyl-4-yl)acetic acid
  • 2-{[1,1'-biphenyl]-4-yl}acetic acid
  • Selspot
  • Sumilu
  • Felbinac, (Biphenyl-4-yl)acetic acid
  • Biphenyl-4-yl-acetic acid
  • (Biphenyl-4-yl)acetic 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
212.25 g/molcalc.
Exact mass
212.0837 Dacalc.
LogP (octanol/water)
2.98calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
3calc.
Heavy atoms
16calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
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, c1ccc(-c2ccccc2)cc1

c1ccc(-c2ccccc2)cc1

2 rings, 12 atoms, the Biphenyl ring system.

32,228 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)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H301Toxic if swallowed.
  • H310Fatal in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H330Fatal if inhaled.
  • H331Toxic if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (25)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • 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.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Felbinac suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 48 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

48 suppliers in 9 countries

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Felbinac 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

Use classes: Pharmaceuticals.

Roles

  • analgesic
  • anti-inflammatory agent
  • anti-inflammatory drug
  • antineoplastic agent
  • antirheumatic drug
  • non-steroidal anti-inflammatory drug
  • pharmaceutical
  • protective agent
  • renoprotective agent

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 Felbinac 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 Felbinac is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Felbinac?

Biphenyl-4-ylacetic acid is a monocarboxylic acid in which one of the alpha-hydrogens is substituted by a biphenyl-4-yl group. An active metabolite of fenbufen, it is used as a topical medicine to treat muscle inflammation and arthritis. It has a role as a non-steroidal anti-inflammatory drug.

What is the CAS number of Felbinac?

The CAS registry number of Felbinac is 5728-52-9.

What is the molecular formula and weight of Felbinac?

The molecular formula of Felbinac is C14H12O2 and its molar mass is 212.25 g/mol.

What is Felbinac used for?

Use classes: Pharmaceuticals.

Is Felbinac hazardous?

Felbinac carries the GHS signal word "Danger". Main hazards: toxic if swallowed, fatal in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Felbinac?

Felbinac 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 Felbinac?

CompoundList lists 48 suppliers of Felbinac in China, Japan, United States, South Korea and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Felbinac in India?

1 supplier in India list Felbinac on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Felbinac?

Suppliers quote Felbinac 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 Felbinac

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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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