2H-Indazole, 2-methyl-5-nitro-

2H-Indazole, 2-methyl-5-nitro- - Names and Identifiers

Name	2-Methyl-5-nitro-2H-indazole
Synonyms	Methylnitroindazole 2-methyl-5-nitroindazole 2-methyl-5-nitro-indazole 2-Methyl-5-nitro-2H-indazole 2-Methyl-5-nitro-1H-indazole 2-METHYL-5-NITRO-2H-INDAZOLE 2H-Indazole, 2-methyl-5-nitro- 2H-Benzopyrazole, 2-methyl-5-nitro-
CAS	5228-48-8
InChI	InChI=1/C8H7N3O2/c1-10-5-6-4-7(11(12)13)2-3-8(6)9-10/h2-5H,1H3

2H-Indazole, 2-methyl-5-nitro- - Physico-chemical Properties

Molecular Formula	C8H7N3O2
Molar Mass	177.16
Density	1.425g/cm³
Melting Point	129-131°C
Boling Point	364.502°C at 760 mmHg
Flash Point	174.245°C
Vapor Presure	0mmHg at 25°C
BRN	167044
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.677
MDL	MFCD00051809

2H-Indazole, 2-methyl-5-nitro- - Risk and Safety

Hazard Symbols	Xi - Irritant
Safety Description	S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes.
Hazard Class	IRRITANT

2H-Indazole, 2-methyl-5-nitro- - Introduction

It is an organic compound with the chemical formula C9H7N3O2. Here are some information about its nature, use, formulation and safety:

Nature:
-Appearance: A yellow to amber crystal
-Melting point: about 170-172 degrees Celsius
-Solubility: Soluble in organic solvents such as dichloromethane, chloroform and ethanol, slightly soluble in water.

Use:
-Chemical intermediate: It can be used as an intermediate for the synthesis of other organic compounds, such as a precursor for glyphosate.

Preparation Method:
The conventional synthesis method is obtained by reacting indole with methyl cyanocarbamate. The specific synthesis process is as follows:
1. the reaction of indole with methyl ketone cyanocarbamate under alkaline conditions.
2. The resulting product was collected and purified.

Safety Information:
It is generally relatively safe when stored and used correctly. However, as any chemical, it still has a certain potential danger. Here are some precautions:
-Avoid prolonged or excessive contact with skin and eyes.
-Wear gloves, goggles and protective clothing during use.
-Store and operate in a well-ventilated place.
-Avoid direct inhalation of dust or solution vapor.
-If necessary, it should be used and handled under the guidance of a chemical professional.

Last Update：2024-04-10 22:29:15