4-Bromo-1,8-naphthalic anhydride
4-Bromo-1,8-naphthalic anhydride (CAS 81-86-7), with the molecular formula C12H5BrO3 and a molecular weight of 277.07 g/mol, is a brominated derivative of naphthalic anhydride. This compound is primarily utilised as a monomer in the synthesis of advanced materials, particularly polymers with specific optical or electronic properties. Its structural features make it valuable in materials science and polymer chemistry research.
- Synonyms
- C12H5BrO3

Polymer Synthesis
Serves as a monomeric building block for the creation of novel polymers. It can be incorporated into polymer chains to impart specific functionalities, such as fluorescence or altered electronic characteristics.
Materials Science Research
Used in the development of advanced materials, including organic semiconductors, optoelectronic devices, and specialty polymers. Its unique structure allows for tailored material properties.
Intermediate for Organic Synthesis
Acts as a reactive intermediate in the synthesis of more complex organic molecules. The anhydride functionality and the bromine atom offer sites for further chemical modification.
| Molecular weight | 277.07 |
|---|---|
| Empirical formula | C12H5BrO3 |
| Assay | 95% |
| Melting point | 217-219 °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 4-Bromo-1,8-naphthalic anhydride used for?
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4-Bromo-1,8-naphthalic anhydride is primarily used as a monomer in polymer synthesis and in materials science research for developing advanced materials with specific optical or electronic properties. It also functions as an intermediate in organic synthesis.
What is the CAS number and molecular formula for 4-Bromo-1,8-naphthalic anhydride?
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The CAS number for 4-Bromo-1,8-naphthalic anhydride is 81-86-7, and its molecular formula is C12H5BrO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Bromo-1,8-naphthalic anhydride with an assay of 95%. This product is supplied for research and industrial use and is not represented as USP, BP, EP, or pharmaceutical grade.
How should 4-Bromo-1,8-naphthalic anhydride be handled?
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Handling requires a dust mask type N95 (US), eyeshields, and gloves. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice. Ensure adequate ventilation.
Is 4-Bromo-1,8-naphthalic anhydride suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Bromo-1,8-naphthalic anhydride, adhering to all necessary shipping regulations.
How can I request a quote or sample?
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To request a quote or sample of 4-Bromo-1,8-naphthalic anhydride, please contact our sales team through the website or by phone, providing your specific requirements.
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