4-Chloro-1,8-naphthalic anhydride
4-Chloro-1,8-naphthalic anhydride (CAS: 4053-08-1) is a chlorinated naphthalic anhydride derivative with the molecular formula C12H5ClO3 and a molecular weight of 232.62 g/mol. This compound serves as a valuable intermediate and building block in organic synthesis. It is commonly employed in the production of dyes, pigments, fluorescent brighteners, and other speciality organic chemicals. Its structural features allow for diverse chemical transformations, making it a versatile reagent in synthetic chemistry research and industrial applications.
- IUPAC
- 6-Chloronaphtho[1,8,8a-c,d]pyran-1,3-dione
- Synonyms
- C12H5ClO36-Chloronaphtho[1,8,8a-c,d]pyran-1,3-dione
Dye and Pigment Synthesis
Utilised as a key intermediate in the synthesis of various dyes and pigments, particularly those with naphthalimide structures, which often exhibit vibrant colours and good lightfastness.
Fluorescent Brighteners
Serves as a precursor for the manufacture of fluorescent whitening agents and optical brighteners used in textiles, plastics, and paper industries.
Organic Synthesis Building Block
A versatile reagent for constructing more complex organic molecules, enabling the introduction of the naphthalic anhydride moiety into various chemical structures.
Research and Development
Employed in academic and industrial research for exploring new synthetic routes and developing novel materials with specific photophysical or electronic properties.
| Molecular weight | 232.62 |
|---|---|
| Empirical formula | C12H5ClO3 |
| Assay | ≥95.0% (T) |
| Storage temperature | 2-8°C |
| Melting point | 202-206 °C (dec.) |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 2 |
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-Chloro-1,8-naphthalic anhydride used for?
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It is primarily used as an intermediate in the synthesis of dyes, pigments, fluorescent brighteners, and other speciality organic chemicals. It also functions as a versatile building block in organic synthesis and is used in research and development.
What is the CAS number and molecular formula for 4-Chloro-1,8-naphthalic anhydride?
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The CAS number is 4053-08-1 and the molecular formula is C12H5ClO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Chloro-1,8-naphthalic anhydride with an assay of ≥95.0% (T). We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 4-Chloro-1,8-naphthalic anhydride be handled and stored?
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Handle with appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Store at 2-8°C.
Is 4-Chloro-1,8-naphthalic anhydride a controlled substance?
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The provided data does not indicate that 4-Chloro-1,8-naphthalic anhydride is a controlled substance.
How is this product packed, shipped, and exported?
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This product is available for global export. Packaging details are confirmed upon order placement.
How can I request a sample or quote for 4-Chloro-1,8-naphthalic anhydride?
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Please contact our sales team to request a sample or a detailed quotation for your specific needs.
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