2-Phenoxybenzoic acid
2-Phenoxybenzoic acid (CAS: 2243-42-7), with the molecular formula C6H5OC6H4CO2H and a molar mass of 214.22 g/mol, is a valuable organic compound. It serves as a key building block in chemical synthesis, particularly within the fields of organic chemistry and materials science. This carboxylic acid derivative finds application in research and development for creating more complex molecules and has been notably used as an internal standard in analytical chemistry for quantifying specific metabolites.

Analytical Standard
2-Phenoxybenzoic acid serves as an internal standard for the precise quantification of pyrethroid metabolites in analytical studies. Its known concentration allows for accurate calibration and measurement.
Organic Synthesis Intermediate
As a functionalised aromatic compound, it is employed as a building block in the synthesis of more complex organic molecules. Its structure offers reactive sites for further chemical modification.
Research and Development
Utilised in laboratory settings for exploring new chemical pathways and developing novel compounds. It is a component in studies requiring specific benzoic acid derivatives.
| Molecular weight | 214.22 |
|---|---|
| Linear formula | C6H5OC6H4CO2H |
| Assay | 98% |
| Application | 2-Phenoxybenzoic acid was used as an internal standard in the quantification of pyrethroid metabolites1. |
| Melting point | 110-112 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Phenoxybenzoic acid used for?
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2-Phenoxybenzoic acid is primarily used as an internal standard in analytical chemistry for quantifying metabolites and as a building block in organic synthesis for creating more complex molecules.
What is the CAS number and molecular formula for 2-Phenoxybenzoic acid?
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The CAS number is 2243-42-7 and the molecular formula is C6H5OC6H4CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Phenoxybenzoic acid with an assay of 98%. TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 2-Phenoxybenzoic acid be handled safely?
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Handle with appropriate personal protective equipment, including Eyeshields, Gloves, and a dust mask type N95 (US). Avoid breathing dust and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive guidance.
Is 2-Phenoxybenzoic acid a controlled substance?
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The provided data does not indicate that 2-Phenoxybenzoic acid is a controlled substance.
How is 2-Phenoxybenzoic acid packed and shipped?
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2-Phenoxybenzoic acid is carefully packed to ensure safe transit and is exported globally by TSS.
How can I request a sample or quote for 2-Phenoxybenzoic acid?
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Please contact the TSS sales team through our website or direct contact details to request a sample or a formal quotation for 2-Phenoxybenzoic acid.
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