4-Methoxyisophthalic acid
4-Methoxyisophthalic acid (CAS 2206-43-1), with the molecular formula C9H8O5 and a molar mass of 196.16 g/mol, is a valuable organic building block. It serves as a key intermediate in chemical synthesis, particularly for creating more complex molecules. Its structure, featuring two carboxylic acid groups and a methoxy substituent on an aromatic ring, allows for diverse chemical transformations in research and development settings.

Organic Synthesis Intermediate
4-Methoxyisophthalic acid is used as a versatile building block in the synthesis of novel organic compounds. Its reactive functional groups enable its incorporation into various molecular structures for research purposes.
Research and Development
This compound is employed in laboratory settings for the development of new materials and chemical entities. Its availability as a reagent supports fundamental chemical research.
Precursor for Specialty Chemicals
It can act as a precursor in the synthesis of specialty chemicals, leveraging its unique aromatic dicarboxylic acid structure for targeted applications.
| Molecular weight | 196.16 |
|---|---|
| Linear formula | CH3OC6H3(CO2H)2 |
| Assay | 97% |
| Melting point | 258-263 °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 4-Methoxyisophthalic acid primarily used for?
+
4-Methoxyisophthalic acid is primarily used as a building block in organic synthesis and in research and development for creating new chemical entities and materials.
What is the CAS number and chemical formula for 4-Methoxyisophthalic acid?
+
The CAS number for 4-Methoxyisophthalic acid is 2206-43-1 and its chemical formula is C9H8O5.
What grade and purity does Tech Serve Solutions supply for 4-Methoxyisophthalic acid?
+
Tech Serve Solutions supplies 4-Methoxyisophthalic acid with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 4-Methoxyisophthalic acid be handled safely?
+
When handling 4-Methoxyisophthalic acid, it is essential to use safety measures including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. The compound is classified under WGK Germany 3, indicating a high hazard to water.
Is 4-Methoxyisophthalic acid available for export globally?
+
Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Methoxyisophthalic acid.
How can I request a quote or sample of 4-Methoxyisophthalic acid?
+
To request a quote or sample of 4-Methoxyisophthalic acid, please contact our sales team through the website or by phone.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis