ditert-butyl benzene-1,4-dicarboxylate

ditert-butyl benzene-1,4-dicarboxylate - Names and Identifiers

Name	1,4-Benzenedicarboxylicacid, 1,4-bis(1,1-dimethylethyl) ester
Synonyms	Di-tert-butyl terephthalate Terephthalic acid di-tert-butyl ester ditert-butyl benzene-1,4-dicarboxylate Di-tert-butyl-1,4-benezene dicarboxylate 1,4-Benzenedicarboxylicacid, 1,4-bis(1,1-dimethylethyl) ester
CAS	28313-42-0

ditert-butyl benzene-1,4-dicarboxylate - Physico-chemical Properties

Molecular Formula	C16H22O4
Molar Mass	278.34
Storage Condition	Room Temprature

ditert-butyl benzene-1,4-dicarboxylate - Introduction

1,4-benzenedicarboxylicacid, 1,4-bis(1,1-dimethylethyl) ester, also known as di-tert-butyl 1,4-phthalate (Chemical Abstracts Service number: 1663-39-4), is an organic compound. The following is an introduction to its nature, use, preparation and safety information:

1. Nature:
-Appearance: Colorless to yellow liquid.
-Solubility: Soluble in organic solvents such as ethanol, ether and benzene.
-Melting point: 10-12 ℃.
-Boiling point: 230-240 ℃.
-specific gravity: 0.938-0.946g/cm³.
-Flash point: 126 ℃.

2. Use:
-As a plasticizer: 1,4-benzenedicarboxylicacid, 1,4-bis(1,1-dimethylethyl) ester is commonly used as a plasticizer for polyvinyl chloride (PVC) to increase the softness and processability of PVC.
-Applied to Coatings: It can be used in coatings to improve the chemical and heat resistance of the coating, and increase the gloss and rigidity.
-Other applications: It can also be used in the fields of inks, adhesives, plastics, rubber and textiles.

3. Preparation method:
The preparation of 1,4-benzenedicarboxylicacid, 1,4-bis(1,1-dimethylethyl) ester is generally obtained by esterification of terephthalic acid. A specific preparation method may be an esterification reaction using T-butanol and terephthalic acid, wherein an acidic catalyst, such as sulfuric acid or methyl sulfuric acid, is added to promote the reaction.

4. Safety Information:
The use of 1,4-benzenedicarboxylicacid, 1,4-bis(1,1-dimethylethyl) ester should follow the corresponding operating specifications and protective measures. Here are some safety information:
-It is irritating to the skin. Protective gloves and goggles should be worn when in contact.
-oral or inhalation of 1,4-benzenedicarboxylicacid, 1,4-bis(1,1-dimethylethyl) ester may cause dizziness, nausea and other discomfort symptoms, should avoid inhalation or ingestion.
-During use, a well-ventilated working environment should be ensured to avoid the production of combustible gases.
-Be careful to avoid contact with strong oxidants to prevent chemical reactions.

It should be noted that when using any chemical substance, you should carefully observe the safety operation measures and read the safety data sheet of the chemical carefully.

Last Update：2024-04-09 19:05:57