Naphthalene-1-thiocarboxamide
Naphthalene-1-thiocarboxamide (CAS: 20300-10-1) is an organic compound with the molecular formula C11H9NS and a molecular weight of 187.26 g/mol. This naphthalene derivative serves as a valuable building block in organic synthesis. Its chemical structure incorporates both a naphthalene ring system and a thiocarboxamide functional group, enabling diverse chemical transformations for the development of novel compounds and materials. It is primarily used in research and chemical synthesis.
- IUPAC
- Naphthalene-1-carbothioamide

Organic Synthesis Intermediate
Naphthalene-1-thiocarboxamide is utilised as a key intermediate in the synthesis of more complex organic molecules. Its functional groups allow for various reactions, contributing to the creation of novel compounds in research and development settings.
Building Block for Heterocycles
The compound's structure makes it suitable for constructing various heterocyclic systems. These heterocycles are often explored for their potential applications in medicinal chemistry and material science.
Research Chemical
As a specialised organic compound, Naphthalene-1-thiocarboxamide is employed in academic and industrial research laboratories for exploring new chemical pathways and developing innovative chemical entities.
| Molecular weight | 187.26 |
|---|---|
| Empirical formula | C11H9NS |
| Assay | 97% |
| Melting point | 126-130 °C |


Hazard statements
- H302Harmful if swallowed
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Transport (UN / ADR) | UN 3077 9 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-50 |
| Safety statements (S) | 61 |
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 Naphthalene-1-thiocarboxamide primarily used for?
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Naphthalene-1-thiocarboxamide is primarily used as a building block and intermediate in organic synthesis and chemical research.
What are the CAS number and molecular formula of Naphthalene-1-thiocarboxamide?
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The CAS number is 20300-10-1 and the molecular formula is C11H9NS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Naphthalene-1-thiocarboxamide with an assay of 97%. This product is not represented as USP, BP, EP, or pharmacopoeia grade.
How should Naphthalene-1-thiocarboxamide be handled?
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Naphthalene-1-thiocarboxamide is classified as Warning (GHS07, GHS09) and is harmful if swallowed (H302) and very toxic to aquatic life (H400). Handle with appropriate personal protective equipment and avoid release to the environment (P273).
Is Naphthalene-1-thiocarboxamide exported by TSS?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Naphthalene-1-thiocarboxamide.
How can I request a sample or quote for Naphthalene-1-thiocarboxamide?
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Please contact our sales team to request a sample or obtain a quote for Naphthalene-1-thiocarboxamide.
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