110683-22-2

110683-22-2 - Names and Identifiers

Name	8-amino-2-(1H-tetrazol-5-yl)-4H-1-benzopyran-4-one
Synonyms	8-AMino-4-oxo-2-(tetrazol-5-yl)benzopyran 8-AMino-2-(1H-tetrazol-5-yl)-4H-chroMen-4-one 8-amino-2-(1H-tetrazol-5-yl)-4H-chromen-4-one 8-Amino-2-tetrazol-5-yl-4-oxo-4H-1-benzopyran 8-amino-2-(2H-tetrazol-5-yl)-4H-chromen-4-one 8-Amino-4-oxo-2-(tetrazol-5-yl)-4H-1-benzopyran 8-amino-2-(1H-tetrazol-5-yl)-4H-1-benzopyran-4-one 8-AMINO-2-(1H-TETRAZOL-5-YL)-4H-1-BENZOPYRAN-4-ONE 8-AMino-2-(2H-tetrazol-5-yl)-4H-1-benzopyran-4-one 8-Amino-2-(1H-tetrazol-5-yl)-4H-1-benzopyran-4-one (Pranlukast) 8-AMino-2-(1H-tetrazol-5-yl)-4H-1-benzopyran-4-one hydrochloride 8-AMINO-4-OXO-2-(1H-TETRAZOLE-5-YL)-4H-1-BENZOPYRAN HYDROCHLORIDE 8-amino-2-(1H-tetrazol-5-yl)-4H-1-benzopyran-4-one (intermediate of pranlukast)
CAS	110683-22-2
EINECS	1312995-182-4

110683-22-2 - Physico-chemical Properties

Molecular Formula	C10H7N5O2
Molar Mass	229.19
Density	1.642
Melting Point	>280°C (dec.)
Boling Point	504.4±60.0 °C(Predicted)
Flash Point	258.858 °C
Solubility	DMSO (Slightly), Methanol (Slightly, Heated)
Appearance	Yellow solid
Color	Dark Yellow
pKa	5.00±0.10(Predicted)
Storage Condition	Keep in dark place,Inert atmosphere,2-8°C

110683-22-2 - Introduction

8-Amino-2-tetrazol-5-yl-4-oxo-4H-1-benzopyran is an organic compound with the chemical formula C9H6N4O.

Nature:
The compound is white crystal or light yellow solid, with good thermal stability and solubility. It is almost insoluble in water at room temperature, but soluble in most organic solvents, such as ethanol, methanol and ether solvents.

Use:
8-amino-2-tetrazol-5-yl-4-oxo-4H-1-benzopyran is commonly used as a dye intermediate. It can be used to synthesize compounds with fluorescent properties, such as azo dyes and fluorescent dyes. In addition, it can also be used in the preparation of biomarkers and bioimaging reagents.

Preparation Method:
8-amino-2-tetrazol-5-yl-4-oxo-4H-1-benzopyran can be obtained by oxidation of phenol and glycine. First, phenol and glycine react under basic conditions to form 4H-1-chromen-4-one. Then, the ketone compound is reacted with hydrogen peroxide to obtain the target product.

Safety Information:
There is limited data on the toxicity and danger of 8-amino-2-tetrazol-5-yl-4-oxo-4H-1-benzopyran, so appropriate safety measures should be taken when handling it. Avoid inhaling it in dusty or granular form and avoid contact with skin and eyes. When working in the laboratory, it is recommended to wear protective glasses, gloves and protective clothing to ensure that the operation is carried out in a well-ventilated environment. If exposed or inhaled, seek medical attention immediately.

Last Update：2024-04-10 22:29:15

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