7119-95-1

Basic information

• Product Name: 1-NITROPYRAZOLE
• Synonyms: 1-NITROPYRAZOLE;1-NITRO-1H-PYRAZOLE;AKOS B006480;TIMTEC-BB SBB000027;1H-Pyrazole, 1-nitro-;1H-Pyrazole,1-nitro-(9CI);N-Nitropyrazole;1-Nitopyrazole
• CAS NO: 7119-95-1
• Molecular Formula: C3H3N3O2
• Molecular Weight: 113.07
• Product Categories: NITRO;Heterocyclic Compounds;Building Blocks;Heterocyclic Building Blocks;Pyrazoles
• Mol File: 7119-95-1.mol
• Article Data: 31

Chemical Properties

• Melting Point: 92-94 °C(lit.)
• Boiling Point: 269°C
• Flash Point: 116.7 °C
• Appearance: Colorless to light yellow liquid
• Density: 1.55 g/cm³
• Vapor Pressure: 0.00732mmHg at 25°C
• Refractive Index: 1.647
• Storage Temp.: Sealed in dry,Room Temperature
• PKA: -5.04±0.12(Predicted)
• CAS DataBase Reference: 1-NITROPYRAZOLE(CAS DataBase Reference)
• NIST Chemistry Reference: 1-NITROPYRAZOLE(7119-95-1)
• EPA Substance Registry System: 1-NITROPYRAZOLE(7119-95-1)

Safety Data

• Hazard Codes: Xn
• Statements: 22-36/37/38
• Safety Statements: 22-26-36
• WGK Germany: 3
• HazardClass: IRRITANT
• Hazardous Substances Data: 7119-95-1(Hazardous Substances Data)

Usage

General Description

1-Nitropyrazole, also known as 1-nitro-1H-pyrazole, is a chemical compound with the molecular formula C3H2N3O2. It is a nitro derivative of pyrazole and is used in the synthesis of various pharmaceutical and industrial compounds. 1-Nitropyrazole is known for its explosive properties and is used in the production of energetic materials such as propellants and explosives. It is also used as a precursor in the synthesis of other nitrogen-rich compounds. The chemical structure of 1-nitropyrazole contains a nitro group, which makes it highly reactive and potentially hazardous if mishandled. Proper safety precautions should be taken when working with this compound.

InChI:InChI=1/C3H3N3O2/c7-6(8)5-3-1-2-4-5/h1-3H

Upstream product

• 288-13-1 NH-pyrazole 
• 4897-84-1 Methyl 4-bromobutyrate 
• 26621-44-3 3-nitro-1H-pyrazole 

Downstream Products

• 35852-77-8 1,4-dinitropyrazole 
• 26621-44-3 5-nitro-1H-pyrazole 
• 38858-81-0 1,3-dinitro-1H-pyrazole 
• 26621-44-3 3-nitro-1H-pyrazole 

Relevant articles and documents

A method for synthesizing nitroamine compounds

The present invention discloses a method for synthesizing nitroamine compounds, belonging to the field of organic synthesis. The method of the present invention is to a simple and readily available organic compound containing NH structure as the starting material, under the action of nitrogen dioxide free radical precursors, oxidants and reaction gases, stirred in an organic solvent at 40-100 ° C, nitroamine compounds can be obtained. The method of the present invention has the advantages of cheap and easy to obtain raw materials, mild reaction conditions, simple preparation process, good chemical selectivity, wide range of substrate application, easy to amplify, etc., has a large application potential, and lays a good foundation for industrial production.

Reactivity controlled synthetic method of 1-nitropyrazole

A process for the preparation of 1 - nitropyrazoles with controlled reactivity is disclosed. The process for preparing 1 -nitropyrazoles according to the present invention is characterized in that nitric acid is introduced into the reaction mixture of pyrazole, acetic acid and acetic anhydride. To the present invention, a relatively small amount of acetic acid is used as compared to a conventional production method, and the degree of reaction is controlled to be mild. , The process for preparing 1 -nitropyrazoles having a controlled reactivity according to the present invention has an advantage of being safe in comparison to reaction conditions with high risk for scaling due to existing violent exothermic reactions.

METHOD FOR PREPARING NITROPYRAZOLES

A process for the sigmatropic rearrangement of the compound of formula in which R3 is an NO2 group and R4 is either a hydrogen or an NO2 group, includes heat treating the compound by microwave.