2H-3,1-Benzoxazine-2,4(1H)-dione, 6,7-dimethoxy-

2H-3,1-Benzoxazine-2,4(1H)-dione, 6,7-dimethoxy- - Names and Identifiers

Name	4,5-Dimethoxyisatoic anhydride
Synonyms	4,5-Dimethoxyisatoic anhydride 6,7-DIMETHOXYISATOIC ANHYDRIDE 4,5-Dimethoxy-isatoic anhydride 4,5-DIMETHOXY-ISATOIC ANHYDRIDE 6,7-Dimethoxy-2H-3,1-benzoxazine-2,4(1H)-dione 6,7-dimethoxy-2H-3,1-benzoxazine-2,4(1H)-dione 6,7-DIMETHOXY-1H-BENZO[D][1,3]OXAZINE-2,4-DIONE 2H-3,1-Benzoxazine-2,4(1H)-dione, 6,7-dimethoxy- 6,7-Dimethoxy-2,4-dihydro-1H-3,1-benzoxazine-2,4-dione 4,5-DIMETHOXY-ISATOIC ANHYDRIDE4,5-DIMETHOXY-ISATOIC ANHYDRIDE
CAS	20197-92-6
InChI	InChI=1/C10H9NO5/c1-14-7-3-5-6(4-8(7)15-2)11-10(13)16-9(5)12/h3-4H,1-2H3,(H,11,13)

2H-3,1-Benzoxazine-2,4(1H)-dione, 6,7-dimethoxy- - Physico-chemical Properties

Molecular Formula	C10H9NO5
Molar Mass	223.18
Density	1.358±0.06 g/cm3(Predicted)
Melting Point	255 °C(Solv: 1,4-dioxane (123-91-1))
pKa	9.93±0.20(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	1.55

2H-3,1-Benzoxazine-2,4(1H)-dione, 6,7-dimethoxy- - Risk and Safety

Hazard Class

IRRITANT

2H-3,1-Benzoxazine-2,4(1H)-dione, 6,7-dimethoxy- - Introduction

4,5-dimethoxyisatoic anhydride is an organic dye with the chemical formula C15H12N2O4. Its molecular structure contains two methoxy groups and an isatin molecular structure. This dye appeared as a red crystalline powder.

In terms of properties, 4,5-dimethoxyisatoic anhydride is stable, with good solubility and coloring power. Its absorption peak is in the visible spectral range, and the main absorption wavelength is 530 to 560 nanometers, so it can be used in the field of dyeing and coloring.

The main uses of the dye include textile dyeing, ink, paint, plastic dyeing, etc. In the textile industry, it can be used for dyeing cotton, hemp, silk and man-made fibers. In cosmetics and personal care products, it can be used as a colorant.

The method of preparing 4,5-dimethoxyisatoic anhydride is usually synthesized by using appropriate raw materials in a chemical reaction. Usually, the coupling reaction of dimethoxyaniline and nitrated phenol is carried out, and the pure product can be obtained after further treatment, crystallization and drying.

Regarding safety information, 4,5-dimethoxyisatoic anhydride is a chemical substance, so it is necessary to follow the corresponding safety operation procedures when using and handling. It is insoluble in water, but can be dissolved in organic solvents, so it needs to be used carefully and away from open flames and high temperatures. At the same time, contact with strong oxidants should be avoided to prevent fire or explosion. Wear appropriate protective equipment such as gloves and goggles during use. When stored, it should be kept in a sealed, dry and dark place.

Last Update：2024-04-09 21:11:58