a-ODPA

a-ODPA - Names and Identifiers

Name	2,3,3',4'-Diphenyl ether tetracarboxylic acid dianhydride
Synonyms	a-ODPA α-ODPA 2,3,3',4'-Diphenyl ether tetracarboxylic acid dianhydride
CAS	50662-95-8

a-ODPA - Physico-chemical Properties

Molecular Formula	C16H6O7
Molar Mass	310.21
Storage Condition	Room Temprature
Physical and Chemical Properties	Yellowish to white solid

a-ODPA - Introduction

2,3,3 ',4'-Diphenyl ether tetracarboxylic acid dianhydride is an organic compound with the chemical formula C24H12O6. The following is a description of its nature, use, preparation and safety information:

Nature:
- 2,3,3 ',4'-Diphenyl ether tetracarboxylic acid dianhydride is a colorless crystalline solid.
-It can be decomposed at high temperatures, and its combustion products are mainly carbon dioxide and sulfur dioxide.
-It is soluble in organic solvents such as chloroform, dimethylformamide and dichloromethane, and insoluble in water.

Use:
- 2,3,3 ',4'-Diphenyl ether tetracarboxylic acid dianhydride is mainly used as a synthetic intermediate for high-performance polyetherimide materials. These polyetherimide materials have good heat resistance, chemical resistance and mechanical properties at high temperatures, and are widely used in aerospace, electronics, automotive and other fields.
-It can also be used as a catalyst and reagent in organic synthesis reactions.

Preparation Method: The preparation method of
- 2,3,3 ',4'-Diphenyl ether tetracarboxylic acid dianhydride generally involves the nitration of phenol, the reduction and diazotization reaction of nitrated products, and the synthesis of tetraacetal dianhydride. Specific details require reference to the relevant organic synthesis literature.

Safety Information:
- 2,3,3 ',4'-Diphenyl ether tetracarboxylic acid dianhydride generally have low toxicity under normal conditions of use.
-It may be irritating to the eyes, skin and respiratory system, so you must pay attention to protective measures during operation, such as wearing protective glasses, gloves and respiratory protection equipment.
-During storage, it should be kept in a cool, dry, well-ventilated place, away from fire and halogen.
-When disposing of waste, it should be disposed of in accordance with local regulations to avoid discharge into the environment.

Last Update：2024-04-10 22:29:15