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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Citric acid
EC Number:
201-069-1
EC Name:
Citric acid
CAS Number:
77-92-9
Molecular formula:
C6H8O7
IUPAC Name:
2-hydroxypropane-1,2,3-tricarboxylic acid

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Citric acid
  • 201-069-1
  • 201-069-1 CAS: 77-92-9
  • 77-92-9
  • 77-92-9/201-069-1
  • 201-069-1
  • E-330
  • E330
  • Citric acid
  • ACIDO CITRICO MONOIDRATO
  • Acide citrique
  • Acide citrique ACIDO CITRICO MONOIDRATO CITRIC ACID Citric Acid Anhydrous Citric Acid Monohydrate Citronensäure-Monohydrat Ácido citrico
  • CITRIC ACID
  • CITRIC ACID MONOHYDRATE
  • Citric Acid
  • Citric Acid Anhydrous
  • Citric Acid Monohydrate
  • Citric acid
  • Citric acid
  • Citronensäure-Monohydrat
  • citric acid anhydrous
  • citric acid monohydrate
  • Ácido citrico
  • 2-Hydroxypropane-1,2,3-tricarboxylic acid
    (IUPAC name)
    2-hydroxy-1,2,3-propanetricarboxylic acid
    (No other type specified)

    Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    EC Number:
    611-842-9
    CAS Number:
    5949-29-1
    Molecular formula:
    6H10O8
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    EC Number:
    611-842-9
    CAS Number:
    5949-29-1
    Molecular formula:
    6H10O8
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid monohydrate
    CAS Number:
    5949-29-1
    Molecular formula:
    C6H10O8
    IUPAC Name:
    Citric acid monohydrate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    EC Number:
    611-842-9
    CAS Number:
    5949-29-1
    Molecular formula:
    6H10O8
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    CAS Number:
    5949-29-1
    Molecular formula:
    C6H10O8
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    liquid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid monohydrate
    CAS Number:
    5949-29-1
    Molecular formula:
    C6H10O8
    IUPAC Name:
    Citric acid monohydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid


    Constituent 1
    Chemical structure
    Reference substance name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate
    CAS Number:
    5949-29-1
    Molecular formula:
    C6H10O8
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid hydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid monohydrate
    CAS Number:
    5949-29-1
    Molecular formula:
    C6H10O8
    IUPAC Name:
    Citric acid monohydrate


    Constituent 1
    Chemical structure
    Reference substance name:
    Citric acid
    EC Number:
    201-069-1
    EC Name:
    Citric acid
    CAS Number:
    77-92-9
    Molecular formula:
    C6H8O7
    IUPAC Name:
    2-hydroxypropane-1,2,3-tricarboxylic acid

    Composition(s) generated upon use

    Other types of composition(s)