Vanillic acid
Vanillic acid (CAS: 121-34-6), with the molecular formula HOC6H3(OCH3)CO2H and a molecular weight of 168.15 g/mol, is a phenolic acid. It is an oxidation product of vanillin and is found naturally in various plants. Vanillic acid serves as a valuable building block in organic synthesis and is utilised in chemical research and the development of diverse chemical compounds. Tech Serve Solutions provides this compound for laboratory and industrial applications.
- IUPAC
- 4-Hydroxy-3-methoxybenzoic acid
- Synonyms
- 4-Hydroxy-3-methoxybenzoic acid

Organic Synthesis Intermediate
Vanillic acid functions as a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various chemical transformations, making it useful in the development of pharmaceuticals and specialty chemicals.
Research and Development
This compound is employed in research laboratories for investigating its chemical properties and potential applications. It is a common reagent in academic and industrial R&D settings for various chemical studies.
Building Block for Chemical Structures
As a versatile building block, vanillic acid is used to construct specific molecular architectures. Its structure lends itself to incorporation into diverse chemical frameworks, aiding in the creation of novel compounds.
| Molecular weight | 168.15 |
|---|---|
| Linear formula | HOC6H3(OCH3)CO2H |
| Assay | 97% |
| Melting point | 208-210 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
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 Vanillic Acid (CAS 121-34-6) used for?
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Vanillic acid is used as an intermediate in organic synthesis, a building block for chemical structures, and in research and development laboratories.
What is the CAS number and chemical formula for Vanillic Acid?
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The CAS number for Vanillic acid is 121-34-6, and its chemical formula is HOC6H3(OCH3)CO2H.
What grade and purity does Tech Serve Solutions supply for Vanillic Acid?
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Tech Serve Solutions supplies Vanillic Acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should Vanillic Acid be handled safely?
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When handling Vanillic Acid, it is essential to wear eyeshields and gloves. A type N95 (US) or type P1 (EN143) respirator filter should be used. Refer to the safety data sheet for comprehensive handling instructions.
Is Vanillic Acid a controlled substance?
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The provided data does not indicate that Vanillic Acid is a controlled substance.
How is Vanillic Acid packed, shipped, and exported by Tech Serve Solutions?
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Tech Serve Solutions offers expert packing, shipping, and worldwide export of chemicals like Vanillic Acid, adhering to all relevant regulations.
How can I request a sample or quote for Vanillic Acid?
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To request a sample or a quote for Vanillic Acid, please contact our sales team via the website or provide your details through the enquiry form.
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