Isoniazid oxadiazole Impurity 3

Isoniazid oxadiazole Impurity 3 - Names and Identifiers

Name	2,5-BIS(4-PYRIDYL)-1,3,4-OXADIAZOLE
Synonyms	Isoniazid oxadiazole Impurity 3 2,5-BIS(4-PYRIDYL)-1,3,4-OXADIAZOLE 4,4(1,3,4-OXADIAZOLE-2,5-DIYL)BIS-PYRIDINE Pyridine,4,4'-(1,3,4-oxadiazole-2,5-diyl)bis- 4-[5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl]pyridine
CAS	15420-02-7
InChI	InChI=1/C12H8N4O/c1-5-13-6-2-9(1)11-15-16-12(17-11)10-3-7-14-8-4-10/h1-8H

Isoniazid oxadiazole Impurity 3 - Physico-chemical Properties

Molecular Formula	C12H8N4O
Molar Mass	224.22
Density	1.276±0.06 g/cm3(Predicted)
Melting Point	184.5-185 °C
Boling Point	453.8±55.0 °C(Predicted)
Flash Point	240.3°C
Vapor Presure	5.39E-08mmHg at 25°C
pKa	1.44±0.10(Predicted)
Refractive Index	1.599

Isoniazid oxadiazole Impurity 3 - Introduction

2,5-bis (4-PYRIDYL)-1,3,4-OXADIAZOLE, also known as DPP, is an organic compound.

Nature:
- DPP is a yellow crystalline solid, stable at room temperature.
-It has good solubility and is soluble in a variety of organic solvents, such as chloroform, dimethyl sulfoxide and benzene.
- DPP has high thermal stability and light stability.

Use:
- DPP is often used as an intermediate in organic synthesis to prepare other organic compounds.
-Due to its special molecular structure and electronic properties, DPP is also widely used in the preparation of organic optoelectronic devices, such as organic solar cells, organic field effect transistors and organic light-emitting diodes.
- DPP can also be used as raw materials for dyes and pigments, used in dyes, inks and plastics.

Method:
A common preparation method of-DPP is to react pyridine and dichloroacetylene ester to obtain an intermediate product through an etherification reaction, and then perform a cyclization reaction to generate DPP.

Safety Information:
- DPP is a relatively stable compound under normal conditions and has no special safety risks and toxicity.
-Due to its potential application in the field of optoelectronic devices, it is necessary to pay attention to the protective measures of substances and laboratory safety regulations during operation.
-When handling DPP, avoid prolonged contact with skin and inhalation of its dust. In case of discomfort, stop the operation immediately and consult a doctor.

Last Update：2024-04-09 21:04:16