194486-77-6

Basic information

• Product Name: LLM-105
• Synonyms: 2,6-Diamino-3,5-dinitropyrazine 1-oxide;LLM-105
• CAS NO: 194486-77-6
• Molecular Formula: C4H4N6O5
• Molecular Weight: 216.11176
• Mol File: 194486-77-6.mol
• Article Data: 7

Chemical Properties

• Boiling Point: 891.2°C at 760 mmHg
• Flash Point: 492.8°C
• Appearance: /
• Density: 2.52g/cm³
• Vapor Pressure: 2.06E-32mmHg at 25°C
• Refractive Index: 1.952
• PKA: -1.49±0.53(Predicted)
• CAS DataBase Reference: LLM-105(CAS DataBase Reference)
• NIST Chemistry Reference: LLM-105(194486-77-6)
• EPA Substance Registry System: LLM-105(194486-77-6)

Safety Data

• Hazardous Substances Data: 194486-77-6(Hazardous Substances Data)

Usage

InChI:InChI=1/C4H4N6O5/c5-1-3(9(12)13)7-4(10(14)15)2(6)8(1)11/h5-6H2

Upstream product

• 52173-59-8 2,6-diamino-3,5-dinitro-pyrazine 
• 41536-72-5 2,6-diamino-1λ⁵-pyrazin-1-one 

Relevant articles and documents

An improved synthesis of 2,6-diamino-3,5-dinitropyrazine-1-oxide

An improved synthesis of 2,6-diamino-3,5-dinitropyrazine-1-oxide (LLM-105) is described, using N-nitroso-bis- (cyanomethyl)amine as the starting material in four steps including cyclisation, acidification; nitration and N-oxidation with a total yield of 54%. The factors influencing the reaction steps are discussed.

Synthetic method of 2,6-diamino-3,5-dinitro pyrazine-1-oxide

The invention discloses a synthetic method of 2,6-diamino-3,5-dinitro pyrazine-1-oxide. The synthetic method comprises the following steps: mixing 2,6-diamino-3,5-dinitro pyrazine-1-oxide with sulfuric acid to be taken as a starting material; mixing nitric acid with the mass fraction more than 65% with sulfuric acid with the mass fraction more than 92% or mixing nitrate with the sulfuric acid with the mass fraction more than 92% to be taken as a nitration reagent; pumping the starting material and the nitration reagent into two inlets of a micro-channel reactor in parallel by virtue of a metering pump, mixing the starting material and the nitration reagent in the micro-channel reactor, and carrying out reaction; then outputting to a collector from the micro-channel reactor, and continuously reacting; and then separating and purifying products, so that the 2,6-diamino-3,5-dinitro pyrazine-1-oxide is obtained. The synthetic method disclosed by the invention has the advantages that a micro-channel reaction technology is fully utilized, the nitration reaction efficiency is improved, and full nitration of reaction materials is realized by adopting a collector heat preservation way.

Synthetic method for 2,6-diamino-3,5-dinitro-1-oxypyrazine

The invention relates to a synthetic method for a compound, especially to a synthetic method for 2,6-diamino-3,5-dinitro-1-oxypyrazine. The method comprises the following steps: subjecting sodium methoxide and dibromopyrazine to methylation; then carrying