4-Formylphenoxyacetic acid
4-Formylphenoxyacetic acid (CAS: 22042-71-3), with the molecular formula C9H8O4 and a molecular weight of 180.16 g/mol, is a valuable organic compound. It serves as a key building block in organic synthesis and is utilised in the development of analytical standards. This compound is supplied by Tech Serve Solutions with a minimum assay of 97.0% (T), suitable for research and development purposes.

Organic Synthesis Intermediate
4-Formylphenoxyacetic acid acts as a versatile building block in the synthesis of more complex organic molecules. Its aldehyde and carboxylic acid functionalities allow for various chemical transformations.
Analytical Standards Development
This compound is used in the creation and calibration of analytical standards. It is suitable for chromatographic applications and as a reference material in chemical analysis.
Research and Development
As a fine chemical, 4-Formylphenoxyacetic acid is employed in academic and industrial research laboratories for exploring new chemical reactions and developing novel compounds.
| Molecular weight | 180.16 |
|---|---|
| Empirical formula | C9H8O4 |
| Assay | ≥97.0% (T) |
| Storage temperature | 2-8°C |
| Melting point | 193-196 °C |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 4-Formylphenoxyacetic acid used for?
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4-Formylphenoxyacetic acid is primarily used as an intermediate in organic synthesis and in the development of analytical standards. It functions as a valuable building block for creating more complex organic molecules.
What are the CAS number and chemical formula for 4-Formylphenoxyacetic acid?
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The CAS number for 4-Formylphenoxyacetic acid is 22042-71-3, and its chemical formula is C9H8O4.
What grade and purity does Tech Serve Solutions supply for 4-Formylphenoxyacetic acid?
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Tech Serve Solutions supplies 4-Formylphenoxyacetic acid with a minimum assay of ≥97.0% (T). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 4-Formylphenoxyacetic acid be handled safely?
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4-Formylphenoxyacetic acid is classified with GHS07 symbol and a Warning signal word. It carries hazard statements H302 (Harmful if swallowed), H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Safe handling requires using a dust mask type N95 (US), eyeshields, and gloves. Always consult the Safety Data Sheet (SDS) before use.
How is 4-Formylphenoxyacetic acid stored and shipped?
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This product requires storage at 2-8°C. Tech Serve Solutions ensures secure and compliant packaging and export of this chemical worldwide.
How can I request a sample or quote for 4-Formylphenoxyacetic acid?
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To request a sample or a quotation for 4-Formylphenoxyacetic acid, please contact the Tech Serve Solutions sales team through our website or by phone.
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