3-Phenoxybenzoic Acid

About 3-Phenoxybenzoic Acid

3-Phenoxybenzoic Acid is an impurity of Fenoprofen carrying the CAS registry number 3739-38-6. Its molecular formula is C13H10O3 and its molecular weight is 214.22 g/mol. Alternative names: m-Phenoxybenzoic acid and Benzoic acid, 3-phenoxy-.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Fenoprofen, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer 3-Phenoxybenzoic Acid in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Fenoprofen

View every impurity, metabolite and intermediate we list for Fenoprofen.

Fenoprofen impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Phenoxybenzoic Acid
Catalogue No.	VQ-027132
CAS Number	3739-38-6
IUPAC name	3-phenoxybenzoic acid
Molecular formula	C₁₃H₁₀O₃
Molecular weight	214.22 g/mol
Exact mass	214.063
Grade	Reference Standard
HSN code	38229090
InChIKey	NXTDJHZGHOFSQG-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)OC2=CC=CC(=C2)C(=O)O
PubChem CID	19539

Physical properties
Physical form	Solid
LogP (XLogP3)	3.9
H-bond donors / acceptors	1 / 3
TPSA	46.5 Å²
Synonyms	m-Phenoxybenzoic acid, Benzoic acid, 3-phenoxy-, 3-PBA, BENZOIC ACID, m-PHENOXY-, m-(phenyloxy)benzoic acid, 3-PBAc, 3-PhOC6H4COOH, diphenyl ether 3-carboxylic acid, 3-Carboxydiphenyl ether, pyrethroid TP, m-carboxydiphenyl ether

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life

Precautionary statements: P261, P264, P264 + P265, P271, P273, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P391, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 3-Phenoxybenzoic Acid?

The CAS Registry Number of 3-Phenoxybenzoic Acid is 3739-38-6. It is also known as m-Phenoxybenzoic acid, Benzoic acid, 3-phenoxy-, 3-PBA.

What is the molecular formula and molecular weight of 3-Phenoxybenzoic Acid?

3-Phenoxybenzoic Acid has the molecular formula C13H10O3 and a molecular weight of 214.22 g/mol. Its IUPAC name is 3-phenoxybenzoic acid.

What is 3-Phenoxybenzoic Acid used for?

3-Phenoxybenzoic Acid is supplied as a characterised reference material related to Fenoprofen. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 3-Phenoxybenzoic Acid can I order?

We supply 3-Phenoxybenzoic Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Phenoxybenzoic Acid?

Yes. Every lot of 3-Phenoxybenzoic Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3-Phenoxybenzoic Acid be shipped internationally?

Yes. 3-Phenoxybenzoic Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.