1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole
1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole (CAS 77451-51-5) is a chemical compound with the molecular formula C9H8N4O4S and a molecular weight of 268.25 g/mol. It is supplied by Tech Serve Solutions with an assay of 98%. This compound serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry.
- Synonyms
- 77451-51-5C9H8N4O4S

Chemical Synthesis
This compound is utilised as a reagent or intermediate in organic synthesis. Its specific structure makes it suitable for constructing more complex molecules.
Heterocyclic Chemistry
As a substituted triazole derivative, it finds application in the study and synthesis of novel heterocyclic compounds. This can be relevant for developing new pharmaceuticals or materials.
Research and Development
1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole is employed in laboratory settings for research purposes, exploring new chemical reactions and molecular architectures.
| Molecular weight | 268.25 |
|---|---|
| Empirical formula | C9H8N4O4S |
| Assay | 98% |
| Storage temperature | −20°C |
| Application | 1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole may be used in chemical synthesis studies. |
| Melting point | 133-135 °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) | 26-37/39 |
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-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole used for?
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1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole is primarily used in chemical synthesis as a building block, particularly in the field of heterocyclic chemistry and for research and development purposes.
What is the CAS number and formula for this compound?
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The CAS number is 77451-51-5 and the empirical formula is C9H8N4O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 98%. TSS does not represent this product as USP, BP, EP, or pharmaceutical grade.
How should 1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole be handled?
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This compound is classified as a warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, in a well-ventilated area. Avoid breathing dust. In case of contact with eyes, rinse cautiously with water for several minutes and remove contact lenses if present and easy to do. Continue rinsing.
How is 1-(p-Toluenesulfonyl)-3-nitro-1,2,4-triazole shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and this compound can be packed and shipped according to your requirements and international shipping regulations.
How can I request a sample or quote for this chemical?
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To request a sample or a quote, please contact our sales team via the website or by phone, providing the product name and CAS number (77451-51-5).
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