2,7-phthalenedicarboxylic acid

2,7-phthalenedicarboxylic acid - Names and Identifiers

Name	2,7-Naphthalenedicarboxylic acid
Synonyms	SKL595 2,7-phthalenedicarboxylic acid 2,7-Naphthalenedicarbxylic acid naphthalene-2,7-dicarboxylicaci NAPHTHALENE-2,7-DICARBOXYLICACID 2,7-NAPHTHALENEDICARBOXYLIC ACID 2,7-Naphthalenedicarboxylic acid naphthalene-2,7-dicarboxylic acid
CAS	2089-89-6
EINECS	817-452-7
InChI	InChI=1/C12H8O4/c13-11(14)8-3-1-7-2-4-9(12(15)16)6-10(7)5-8/h1-6H,(H,13,14)(H,15,16)

2,7-phthalenedicarboxylic acid - Physico-chemical Properties

Molecular Formula	C12H8O4
Molar Mass	216.19
Density	1.454±0.06 g/cm3(Predicted)
Melting Point	>190 °C (sublm)
Boling Point	437.3±25.0 °C(Predicted)
Flash Point	232.396°C
Vapor Presure	0mmHg at 25°C
pKa	3.72±0.30(Predicted)
Storage Condition	Sealed in dry,Room Temperature
Refractive Index	1.708

2,7-phthalenedicarboxylic acid - Introduction

2,7-naphthalenedicarboxylic acid, also known as O-naphthalene dicarboxylic acid (2,7-naphthalenedicarboxylic acid), is an organic compound. The following is a description of its nature, use, preparation and safety information:

Nature:
- 2,7-napthalenedicarboxylic acid is a colorless crystalline solid with a distinctive aromatic odor.
-it is difficult to dissolve in the solvent, can be dissolved in hot concentrated sulfuric acid, hot benzene and hot chlorobenzene.
- 2,7-napthalenedicarboxylic acid can be decomposed at high temperature.

Use:
- 2,7-napthalenedicarboxylic acid is widely used in the synthesis of dyes, fluorescent dyes and polymer materials.
-It can be used to prepare polyamide polymer materials and polyester resins, and has good thermal stability, electrical properties and mechanical properties.
- 2,7-napthalenedicarboxylic acid can also be used to prepare high-performance materials, such as nanomaterials, organic light-emitting diodes (OLED), etc.

Method:
-The preparation method of 2,7-napthalenedicarboxylic acid is mainly completed by the reaction of phthalic anhydride and naphthalene.
-The specific preparation method involves steps such as esterification of phthalic anhydride, alcoholysis of naphthalene ring and substitution reaction.

Safety Information:
- 2,7-napthalenedicarboxylic acid has low toxicity and will not cause obvious irritation or harm to the human body.
-It is a non-combustible compound with no risk of fire and explosion.
-However, general laboratory safety practices must be followed to avoid contact with skin, eyes and inhalation.

Please note: The above information is for reference only. If you want to use 2,7-napthalenedicarboxylic acid, please make sure to conduct detailed research and understanding in advance, and comply with relevant safety guidelines and regulations.

Last Update：2024-04-09 15:17:55