3-Fluorophthalic acid
3-Fluorophthalic acid (CAS: 1583-67-1), with the molecular formula FC6H3-1,2-(CO2H)2 and a molecular weight of 184.12 g/mol, is a key organic compound. It serves as a valuable building block in materials science and polymer chemistry, functioning as a monomer for the synthesis of specialised polymers and advanced materials. Its defined structure and reactivity make it a sought-after reagent for researchers and industrial chemists.
- IUPAC
- 3-Fluoro-1,2-benzenedicarboxylic acid
- Synonyms
- 3-Fluoro-1,2-benzenedicarboxylic acid

Monomer for Polymer Synthesis
3-Fluorophthalic acid is utilised as a monomer in the creation of novel polymers. Its incorporation can impart unique thermal, mechanical, or chemical resistance properties to the resulting polymer chains.
Materials Science Research
This compound finds application in materials science for developing advanced materials with specific functionalities. It can be a precursor or intermediate in the synthesis of innovative materials.
Organic Synthesis Intermediate
As a functionalised aromatic dicarboxylic acid, 3-Fluorophthalic acid serves as an intermediate in various organic synthesis pathways. Its reactivity allows for further chemical modifications.
| Molecular weight | 184.12 |
|---|---|
| Linear formula | FC6H3-1,2-(CO2H)2 |
| Assay | 98% |
| Melting point | 175-177 °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 |
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 3-Fluorophthalic acid used for?
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3-Fluorophthalic acid is primarily used as a monomer in polymer synthesis and in materials science research for developing advanced materials. It also functions as an intermediate in organic synthesis.
What are the CAS number and formula for 3-Fluorophthalic acid?
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The CAS number for 3-Fluorophthalic acid is 1583-67-1, and its linear formula is FC6H3-1,2-(CO2H)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Fluorophthalic acid with an assay of 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 3-Fluorophthalic acid be handled safely?
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3-Fluorophthalic acid may cause skin irritation, eye irritation, and respiratory irritation (H315, H319, H335). It is recommended to use a dust mask type N95, wear eyeshields, and use gloves. Ensure good ventilation. Avoid breathing dust.
Is 3-Fluorophthalic acid a controlled substance?
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Based on the provided data, 3-Fluorophthalic acid (CAS: 1583-67-1) is not indicated as a controlled substance.
How is 3-Fluorophthalic acid packed and shipped by TSS?
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Tech Serve Solutions exports fine chemicals globally. Specific packaging details are available upon request to meet shipping and regulatory requirements.
How can I request a sample or quote for 3-Fluorophthalic acid?
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To request a sample or quote for 3-Fluorophthalic acid, please contact our sales team through the website or provide your inquiry details.
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