1,8-Naphthalimide
1,8-Naphthalimide (CAS: 81-83-4) is a cyclic imide with the empirical formula C12H7NO2 and a molecular weight of 197.19 g/mol. This compound serves as a valuable building block in organic synthesis. Its structure lends itself to various chemical modifications, making it a key intermediate in the development of novel materials and compounds. It is primarily utilised in chemical research and development settings for its versatile reactivity.
- Synonyms
- C12H7NO21H-Benz[de]isoquinoline-1,3(2H)-dione

Organic Synthesis Intermediate
1,8-Naphthalimide functions as a crucial intermediate in the synthesis of more complex organic molecules. Its reactive imide group allows for diverse derivatisation pathways.
Research and Development
This compound is widely employed in academic and industrial research laboratories. It is used to explore new chemical reactions and to develop novel compounds with specific properties.
Material Science Precursor
1,8-Naphthalimide derivatives can be investigated for applications in material science, potentially leading to new dyes, pigments, or functional materials.
| Molecular weight | 197.19 |
|---|---|
| Empirical formula | C12H7NO2 |
| Assay | 99% |
| Melting point | 299-300 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 1,8-Naphthalimide used for?
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1,8-Naphthalimide is primarily used as a building block and intermediate in organic synthesis and for research and development purposes in chemical and material science fields.
What is the CAS number and formula for 1,8-Naphthalimide?
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The CAS number for 1,8-Naphthalimide is 81-83-4, and its empirical formula is C12H7NO2 (Hill notation).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,8-Naphthalimide with an assay of 99%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP.
How should 1,8-Naphthalimide be handled safely?
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1,8-Naphthalimide is harmful if swallowed (H302). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, should be worn when handling this compound.
Is 1,8-Naphthalimide a controlled substance?
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The provided data does not indicate that 1,8-Naphthalimide is a controlled substance.
How is 1,8-Naphthalimide packed, shipped, and exported?
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1,8-Naphthalimide is carefully packed for transit and is available for global export by Tech Serve Solutions.
How can I request a sample or quote for 1,8-Naphthalimide?
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To request a sample or a quotation for 1,8-Naphthalimide, please contact the Tech Serve Solutions sales team through our website or by phone.
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