Terephthalic Acid

C₈H₆O₄

IUPAC: Benzene-1,4-dicarboxylic acid

CAS: 100-21-0

Visão geral

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

Composição

Elemento Símbolo Átomos Massa atômica
Hydrogen H 6 1,0080
Carbon C 8 12,0110
Oxygen O 4 15,9990

Composição elemental

H
Hydrogen ×6
3,6%
C
Carbon ×8
57,8%
O
Oxygen ×4
38,5%

Usos

  • • PET plastic and polyester fiber
  • • PBT engineering plastic

Curiosidades

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

Segurança

  • ⚠ Irritant

Structure

SMILES

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

Propriedades

Tipo
organic
Estado
solid
Massa molar
166,13 g/mol
Densidade
1,5220 g/cm³
Solubilidade
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

Compostos relacionados

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C₈H₁₀N₄O₂

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C₉H₆O₂

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(CH₃)₂CO

Acrylic Acid

C₃H₄O₂

Cysteine

C₃H₇NO₂S

DDT

C₁₄H₉Cl₅

Alanine

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Diazepam

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Dichloromethane

CH₂Cl₂

Butane

C₄H₁₀

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).