3-Methoxycarbonyl-4-nitropyrazole

3-Methoxycarbonyl-4-nitropyrazole - Names and Identifiers

Name	1H-Pyrazole-3-carboxylic acid, 4-nitro-, methyl ester
Synonyms	3-Methoxycarbonyl-4-nitropyrazole Methyl 4-Nitropyrazole-3-carboxylate methyl 4-nitro-2H-pyrazole-3-carboxylate methyl-4-nitropyrazole-3-carboxylic acid methyl 4-nitro-4H-pyrazole-3-carboxylate Methyl 4-nitro-1H-pyrazole-3-carboxylate 4-Nitropyrazole-3-carboxylic acid methyl ester 4-Nitro-1H-pyrazole-3-carboxylic acid Methyl ester 1H-PYRAZOLE-5-CARBOXYLIC ACID 4-NITRO- METHYL ESTER 1H-Pyrazole-3-carboxylic acid, 4-nitro-, methyl ester
CAS	138786-86-4
EINECS	821-717-2

3-Methoxycarbonyl-4-nitropyrazole - Physico-chemical Properties

Molecular Formula	C5H5N3O4
Molar Mass	171.11
Density	1.545
Boling Point	363.2±22.0 °C(Predicted)
pKa	6.67±0.50(Predicted)
Storage Condition	2-8°C
MDL	MFCD00505604

3-Methoxycarbonyl-4-nitropyrazole - Risk and Safety

Hazard Class

IRRITANT

3-Methoxycarbonyl-4-nitropyrazole - Introduction

4-Nitro-1H-pyrazole-3-carboxylic acid methyl ester, chemical formula C6H4N4O5, is an organic compound.

Nature:
4-Nitro-1H-pyrazole-3-carboxylic acid methyl ester is a yellow crystal, soluble in organic solvents such as ethanol and ether, and slightly soluble in water. It is highly explosive and toxic.

Use:
4-Nitro-1H-pyrazole-3-carboxylic acid methyl ester is mainly used to prepare high-energy density explosives, such as TATB(1,3, 5-triamino-2, 4,6-trinitrobenzene) and CL-20 (hexanitrohexaazazaisoWoodane). It can also be used in the preparation of dyes, pesticides and pharmaceutical intermediates.

Preparation Method:
The preparation method of 4-nitro-1H-pyrazole-3-carboxylic acid methyl ester is more complicated. A common method is obtained by reacting nitrosamine with pyrazole-3-carboxylic acid methyl ester.

Safety Information:
Because 4-nitro-1H-pyrazole-3-carboxylic acid methyl ester is highly explosive and toxic, strict safety measures should be taken during operation. Avoid contact with strong oxidants, strong acids and strong alkalis, and keep away from light. At the same time, attention should be paid to protective measures, including wearing appropriate protective gloves, glasses and respiratory protection equipment. The operation should have sufficient ventilation conditions, and away from the fire and high temperature environment. In case of accidental application or contact with skin, seek medical advice immediately.

Last Update：2024-04-09 21:11:58