2(3H)-Benzoxazolone, 5-ethyl-

2(3H)-Benzoxazolone, 5-ethyl- - Names and Identifiers

Name	5-Ethylbenzo[d]oxazol-2(3H)-one
Synonyms	5-ethyl-2(3H)-Benzoxazolone 2(3H)-Benzoxazolone, 5-ethyl- 5-Ethylbenzo[d]oxazol-2(3H)-one 5-ethyl-1,3-benzoxazol-2(3H)-one
CAS	151254-40-9
InChI	InChI=1/C9H9NO2/c1-2-6-3-4-8-7(5-6)10-9(11)12-8/h3-5H,2H2,1H3,(H,10,11)

2(3H)-Benzoxazolone, 5-ethyl- - Physico-chemical Properties

Molecular Formula	C9H9NO2
Molar Mass	163.17
Density	1.209±0.06 g/cm3(Predicted)
pKa	9.51±0.70(Predicted)
Storage Condition	2-8°C
Refractive Index	1.563

2(3H)-Benzoxazolone, 5-ethyl- - Introduction

5-Ethylbenzo[d]oxazol-2(3H)-one is an organic compound with the chemical formula C11H11NO. The following is an introduction to its nature, use, preparation and safety information:

Nature:
-Appearance: 5-Ethylbenzo[d]oxazol-2(3H)-one is a white crystalline solid.
-Melting point: about 84-86 degrees Celsius.
-Solubility: Soluble in organic solvents, such as ethanol, dimethylformamide and dichloromethane.

Use:
- 5-Ethylbenzo[d]oxazol-2(3H)-one is commonly used as a synthetic intermediate and has a wide range of applications in the field of drugs and pesticides.
-It can also be used as one of the components of organic light-emitting materials to provide a blue spectrum in the manufacture of organic light-emitting diodes (OLED).

Method:
- 5-Ethylbenzo[d]oxazol-2(3H)-one can be prepared by the oxidation reaction of picric acid. First, picric acid undergoes an oxidation reaction in the presence of carbonate to give a bitter acid anhydride. The bitter anhydride is then reacted with ethylaniline to produce 5-Ethylbenzo[d]oxazol-2(3H)-one.

Safety Information:
- 5-Ethylbenzo[d]oxazol-2(3H)-one is currently not listed as a particularly dangerous compound, but as an organic compound, attention should be paid to safe operation.
-Wear appropriate protective equipment during handling and storage, including lab gloves, goggles, and lab coats.
-Avoid inhaling dust or vapor of the substance and avoid contact with skin and eyes.
-Maintain good ventilation during use to ensure that there is no excessive concentration of substances in the air in the operating area.
-Under the condition of observing correct handling and storage methods, 5-Ethylbenzo[d]oxazol-2(3H)-one should not pose a serious risk to human health. However, if ingestion or aspiration occurs, seek medical advice immediately.

Last Update：2024-04-09 21:01:54