5-Methoxyisophthalic acid
5-Methoxyisophthalic acid (CAS: 46331-50-4), with the molecular formula C9H8O5 and a molecular weight of 196.16 g/mol, is a valuable organic building block. This dicarboxylic acid features a methoxy substituent on the aromatic ring, offering unique reactivity for various chemical syntheses. It serves as a key intermediate in the development of complex organic molecules, particularly within research and development settings for novel compound creation.

Organic Synthesis Intermediate
5-Methoxyisophthalic acid is employed as a versatile building block in complex organic synthesis. Its dicarboxylic acid functionality and methoxy group allow for diverse chemical modifications and the construction of intricate molecular architectures.
Research and Development
This compound is utilised in academic and industrial research laboratories for exploring new synthetic pathways and creating novel chemical entities. Its specific structural features make it useful for developing new materials or pharmaceutical candidates.
Material Science Applications
The molecule can be incorporated into polymers or other advanced materials, potentially influencing their physical and chemical properties due to the presence of carboxylic acid and methoxy functionalities.
| Molecular weight | 196.16 |
|---|---|
| Linear formula | CH3OC6H3(CO2H)2 |
| Assay | 97% |
| Melting point | 275-280 °C(lit.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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 5-Methoxyisophthalic acid used for?
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5-Methoxyisophthalic acid is primarily used as an intermediate in organic synthesis and in research and development for creating novel compounds and exploring new chemical pathways.
What is the CAS number and formula for 5-Methoxyisophthalic acid?
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The CAS number is 46331-50-4 and the linear formula is CH3OC6H3(CO2H)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 5-Methoxyisophthalic acid with an assay of 97%. This product is intended for research and technical use; it is not supplied as USP, BP, EP, or pharmaceutical grade.
What are the safety and handling recommendations for 5-Methoxyisophthalic acid?
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Handling requires appropriate personal protective equipment, including eyeshields and gloves. Respiratory protection with a type N95 (US) or type P1 (EN143) filter is recommended. It is classified with WGK 3 in Germany, indicating a high hazard level.
Is 5-Methoxyisophthalic acid a controlled substance?
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Based on the provided data, there is no indication that 5-Methoxyisophthalic acid is a controlled substance.
How is 5-Methoxyisophthalic acid shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals. Specific shipping and export details for 5-Methoxyisophthalic acid can be provided upon request.
How can I request a quote or sample for 5-Methoxyisophthalic acid?
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To request a quote or sample of 5-Methoxyisophthalic acid, please contact our sales team through the website or via direct inquiry.
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