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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
4-hydroxybenzenesulphonic acid
EC Number:
202-691-6
EC Name:
4-hydroxybenzenesulphonic acid
CAS Number:
98-67-9
Molecular formula:
C6H6O4S
IUPAC Name:
4-hydroxybenzenesulfonic acid

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • P-PHENOLSULFONIC ACID
  • PHENOL, 4-SULFONIC ACID
  • HBSA
    (No other type specified)

    Compositions

    Boundary Composition(s) open all close all



    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    Degree of purity:
    > 70 - < 90 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    Impurity 1
    Chemical structure
    Reference substance name:
    4,4'-sulphonyldiphenol
    EC Number:
    201-250-5
    EC Name:
    4,4'-sulphonyldiphenol
    CAS Number:
    80-09-1
    Molecular formula:
    C12H10O4S
    IUPAC Name:
    4,4'-sulphonyldiphenol

    Legal Entity Composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid

    Composition(s) generated upon use

    Other types of composition(s) open all close all

    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    o-hydroxybenzenesulphonic acid
    EC Number:
    210-191-4
    EC Name:
    o-hydroxybenzenesulphonic acid
    CAS Number:
    609-46-1
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    2-hydroxybenzenesulfonic acid
    Constituent 3
    Chemical structure
    Reference substance name:
    Water
    EC Number:
    231-791-2
    EC Name:
    Water
    CAS Number:
    7732-18-5
    Molecular formula:
    H2O
    IUPAC Name:
    oxidane
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    4-hydroxybenzenesulphonic acid
    EC Number:
    202-691-6
    EC Name:
    4-hydroxybenzenesulphonic acid
    CAS Number:
    98-67-9
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    4-hydroxybenzenesulfonic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    o-hydroxybenzenesulphonic acid
    EC Number:
    210-191-4
    EC Name:
    o-hydroxybenzenesulphonic acid
    CAS Number:
    609-46-1
    Molecular formula:
    C6H6O4S
    IUPAC Name:
    2-hydroxybenzenesulfonic acid