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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Identification

Chemical structure
Display Name:
Terephthalic acid
EC Number:
202-830-0
EC Name:
Terephthalic acid
CAS Number:
100-21-0
Molecular formula:
C8H6O4
IUPAC Name:
benzene-1,4-dicarboxylic acid

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • terephthalic acid
  • 202-830-0
  • 100-21-0
  • Purified Terephthalic Acid
  • 1,4-Benzenedicarboxylic acid
  • 1,4-Benzenedicarboxylic acid (9CI)
  • 1,4-Dicarboxybenzene
  • AE-2030
  • AE-2130
  • AE-2150
  • AE-2230
  • Benzene 1-4,-dicarboxylic acid
  • GC-0700
  • GC-0730
  • PTA
  • PTA (PURIFIED TEREPHTHALIC ACID)
  • Purified Terephthalic Acid (PTA)
  • Purified Terephthalic acid (PTA)
  • Purified tetephthalic acid
  • TA
  • TA-33
  • TEREPHTHALIC ACID
  • TPA
  • Terephtalic acid
  • Terephthalic acid
  • Terephthalic acid (7CI, 8CI)
  • WR 16262
  • p-Benzenedicarboxylic acid
  • p-Carboxybenzoic acid
  • p-Dicarboxybenzene
  • p-Phthalic acid
  • p-benzene dicarbolic acid
  • terephthalic acid
  • PTA
    (acronym)

    Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    other: monomer in polymer


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Terephthalic acid
    EC Number:
    202-830-0
    EC Name:
    Terephthalic acid
    CAS Number:
    100-21-0
    Molecular formula:
    C8H6O4
    IUPAC Name:
    benzene-1,4-dicarboxylic acid