216431-29-7

216431-29-7 - Names and Identifiers

Name	1,4-Benzenedicarboxylic acid, 2-ethenyl-
Synonyms	2-Vinylterephthalic acid 2-ethenylterephthalic acid 2-ethenyl-1,4-Benzenedicarboxylic acid 1,4-Benzenedicarboxylic acid, 2-ethenyl-
CAS	216431-29-7

216431-29-7 - Physico-chemical Properties

Molecular Formula	C10H8O4
Molar Mass	192
Density	1.368±0.06 g/cm3(Predicted)
Boling Point	411.6±45.0 °C(Predicted)
pKa	3.50±0.36(Predicted)
Storage Condition	2-8℃

216431-29-7 - Introduction

1,4-benzenedicarboxylic acid, 2-ethenyl-, chemical formula C10H10O4, usually abbreviated as PET, is an organic compound. The following is a description of its nature, use, preparation and safety information:

Nature:
-Appearance: 1,4-benzenedicarboxylic acid, 2-ethenyl-white crystalline or powdery solid.
-Solubility: Soluble in organic solvents such as alcohol, ether, insoluble in water.
-Melting point: about 190-193 ° C.
-Stability: relatively stable at room temperature, but prone to decomposition in the presence of high temperature, sunlight or strong oxidants.

Use:
-Polyester manufacturing: 1,4-benzenedicarboxylic acid, 2-ethenyl-is an important raw material for the manufacture of polyester, especially for the production of polyethylene terephthalate (PET), a widely used in textiles, bottled beverages, polymers in areas such as food packaging.
-Chemical synthesis: As a starting material in organic synthesis, it can be used to synthesize other chemicals and drugs.

Method:
The preparation of 1,4-benzenedicarboxylic acid, 2-ethenyl-is usually carried out by one of the following methods:
1. Vinylation reaction: Terephthalic acid is reacted with ethylene in the presence of a catalyst.
2. Esterification of vinyl alcohol: terephthalic acid and vinyl alcohol are reacted in the presence of an acid catalyst to form an ester, which is then hydrolyzed to obtain 1,4-benzenedicarboxylic acid, 2-ethenyl-.

Safety Information:
- 1,4-benzenedicarboxylic acid, 2-ethenyl-Dust can cause eye, skin, and respiratory irritation. Wear appropriate personal protective equipment when exposed.
-Keep away from ignition, high temperature and oxidizing agents during operation and storage.
-should be stored in a dry, well-ventilated place, avoid prolonged exposure to the sun.
-Waste should be disposed of in accordance with local regulations and environmental protection.

Last Update：2024-04-09 02:00:51