Terephthalic Acid

C₈H₆O₄

IUPAC: Benzene-1,4-dicarboxylic acid

CAS: 100-21-0

Tổng quan

Terephthalic acid (TPA) is the most widely produced aromatic dicarboxylic acid, with over 80 million tonnes produced annually for PET plastic.

Thành phần

Nguyên tố Ký hiệu Nguyên tử Khối lượng nguyên tử
Hydrogen H 6 1,0080
Carbon C 8 12,0110
Oxygen O 4 15,9990

Thành phần nguyên tố

C
57,8%
O
38,5%

Công dụng

  • PET plastic and polyester fiber
  • PBT engineering plastic

Sự thật thú vị

  • One of the highest-volume organic chemicals produced globally, almost entirely for polyester

An toàn

  • ⚠ Irritant

Structure

SMILES

C1=CC(=CC=C1C(=O)O)C(=O)O

Tính chất

Loại
organic
Trạng thái
solid
Khối lượng mol
166,13 g/mol
Mật độ
1,5220 g/cm³
Độ hòa tan
0.017 g/L at 25°C

Molecular Descriptors

Exact Mass
166,0266
XLogP
2,0
TPSA
74,6 Ų
H-Bond Donors
2
H-Bond Acceptors
4
Rotatable Bonds
2
Heavy Atoms
12
Complexity
169,0

Frequently Asked Questions

What is Terephthalic Acid?
Terephthalic Acid (C₈H₆O₄) is a organic compound with the IUPAC name Benzene-1,4-dicarboxylic acid.
What is the molecular weight of Terephthalic Acid?
Terephthalic Acid has a molar mass of 166.13 g/mol.
What state is Terephthalic Acid at room temperature?
Terephthalic Acid is a solid at room temperature.
Is Terephthalic Acid organic or inorganic?
Terephthalic Acid is classified as an organic compound.
What elements make up Terephthalic Acid?
Terephthalic Acid (C₈H₆O₄) is composed of Hydrogen (H), Carbon (C), Oxygen (O).