Naphthol AS-D acetate
Naphthol AS-D acetate (CAS 528-66-5) is a chemical compound with the formula C20H17NO3 and a molecular weight of 319.35 g/mol. This organic molecule serves as a valuable building block and intermediate in various chemical synthesis pathways. It is commonly utilised in research and development settings for its specific reactivity, contributing to the creation of more complex organic structures. Its properties make it suitable for applications requiring precise chemical transformations.
- IUPAC
- 3-(Acetyloxy)-N-(2-methylphenyl)-2-naphthalenecarboxamide

Organic Synthesis Intermediate
Naphthol AS-D acetate functions as a key intermediate in the synthesis of various organic compounds. Its structure allows for versatile reactions, making it useful in the development of novel molecules for research purposes.
Chemical Research and Development
This compound is employed in laboratory settings for R&D activities. It is a useful reagent for exploring new chemical reactions and pathways, contributing to advancements in chemical sciences.
Building Block for Complex Molecules
As a building block, Naphthol AS-D acetate can be incorporated into larger, more intricate molecular architectures. This is valuable in fields requiring custom-designed chemical structures.
| Molecular weight | 319.35 |
|---|---|
| Empirical formula | C20H17NO3 |
| Storage temperature | −20°C |

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) | 26-36 |
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 Naphthol AS-D acetate used for?
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Naphthol AS-D acetate is used as an intermediate in organic synthesis and as a building block in chemical research and development for creating complex organic molecules.
What is the CAS number and formula for Naphthol AS-D acetate?
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The CAS number for Naphthol AS-D acetate is 528-66-5, and its molecular formula is C20H17NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Naphthol AS-D acetate as a research-grade chemical. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia standard.
How should Naphthol AS-D acetate be handled safely?
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Handle Naphthol AS-D acetate with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. Avoid breathing dust and ensure adequate ventilation. This compound is a warning irritant to skin, eyes, and respiratory tract (H315, H319, H335).
How is Naphthol AS-D acetate shipped and exported?
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Tech Serve Solutions exports Naphthol AS-D acetate globally, adhering to all necessary shipping and customs regulations for chemical compounds. Packaging is designed to maintain product integrity and safety during transit.
How can I request a sample or quote for Naphthol AS-D acetate?
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To request a sample or a quote for Naphthol AS-D acetate, please contact our sales team through the website or by phone, providing your specific requirements.
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