1-Nitropyrazole
1-Nitropyrazole (CAS: 7119-95-1) is a heterocyclic organic compound with the molecular formula C3H3N3O2 and a molecular weight of 113.07 g/mol. As a versatile building block in chemical synthesis, it is particularly valuable for constructing more complex molecular architectures. Its applications are primarily focused within research and development settings, serving as a key intermediate in the creation of novel compounds and materials.

Organic Synthesis Intermediate
1-Nitropyrazole serves as a crucial intermediate in the synthesis of various organic molecules. Its pyrazole ring system and nitro group offer reactive sites for further chemical modifications, enabling the construction of diverse molecular scaffolds.
Research and Development
This compound is widely employed in research laboratories for the exploration of new chemical reactions and the development of novel chemical entities. Its structure is amenable to various synthetic transformations.
Heterocyclic Chemistry
As a substituted pyrazole, 1-Nitropyrazole is a valuable reagent in heterocyclic chemistry. It can be utilised to introduce the pyrazole moiety into larger molecules or to further functionalise existing heterocyclic systems.
| Molecular weight | 113.07 |
|---|---|
| Empirical formula | C3H3N3O2 |
| Assay | 98% |
| Melting point | 92-94 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- 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) | Xn |
| Risk statements (R) | 22-36/37/38 |
| Safety statements (S) | 22-26-36 |
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 1-Nitropyrazole used for?
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1-Nitropyrazole is primarily used as an intermediate in organic synthesis and in research and development for creating novel chemical compounds, particularly within heterocyclic chemistry.
What are the CAS number and formula for 1-Nitropyrazole?
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The CAS number for 1-Nitropyrazole is 7119-95-1, and its empirical formula is C3H3N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Nitropyrazole with an assay of 98%. This product is not graded as USP, BP, EP, or for pharmaceutical, food, or nutraceutical use.
What are the safety considerations when handling 1-Nitropyrazole?
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1-Nitropyrazole is classified as a Warning. It is harmful if swallowed (H302), causes skin irritation (H315), causes serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn. Avoid breathing dust and ensure good ventilation.
How is 1-Nitropyrazole packaged and shipped?
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Tech Serve Solutions packages and exports fine chemicals like 1-Nitropyrazole in compliance with international shipping regulations. Specific packaging details are available upon request.
How can I request a sample or quote for 1-Nitropyrazole?
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To request a sample or a quote for 1-Nitropyrazole, please contact our sales team through the website or by direct inquiry, providing your specific requirements.
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