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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate]
EC Number:
240-005-7
EC Name:
Dialuminium tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate]
CAS Number:
15876-39-8
Molecular formula:
C20H8Br4O5.2/3Al
IUPAC Name:
Di aluminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate]

Type of Substance

Composition:
multi-constituent substance
Origin:
organometallic

Substance Identifiers open all close all

  • D & C Red 21, Al Lake (Lake of Tetra Bromo Fluorescein), D & C Red 22, Al Lake (Lake of Eosine)
  • Neelicert D&C Red 21Al Lake Neelicert D&C Red 22Al Lake Acid Red 87Lake / Pigment Red 90:1
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2-(3,6-dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)-benzoic acid
    EC Number:
    239-138-3
    EC Name:
    2-(3,6-dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)-benzoic acid
    CAS Number:
    15086-94-9
    Molecular formula:
    C20H8Br4O5
    IUPAC Name:
    2-(2,4,5,7-tetrabromo-3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium hydroxide
    EC Number:
    244-492-7
    EC Name:
    Aluminium hydroxide
    CAS Number:
    21645-51-2
    Molecular formula:
    AlH3O3
    IUPAC Name:
    Aluminium hydroxide
    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:
    water

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2-(3,6-dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)-benzoic acid
    EC Number:
    239-138-3
    EC Name:
    2-(3,6-dihydroxy-2,4,5,7-tetrabromoxanthen-9-yl)-benzoic acid
    CAS Number:
    15086-94-9
    Molecular formula:
    C20H8Br4O5
    IUPAC Name:
    2-(2,4,5,7-tetrabromo-3,6-dihydroxy-9H-xanthen-9-yl)benzoic acid
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium hydroxide
    EC Number:
    244-492-7
    EC Name:
    Aluminium hydroxide
    CAS Number:
    21645-51-2
    Molecular formula:
    AlH3O3
    IUPAC Name:
    Aluminium hydroxide
    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:
    water
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Di aluminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate] (Common Name: D&C Red 21 Lake)
    Molecular formula:
    C20H8Br4O5.2/3Al
    IUPAC Name:
    Di aluminium tris [2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate] (Common Name: D&C Red 21 Lake)
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium hydroxide
    EC Number:
    244-492-7
    EC Name:
    Aluminium hydroxide
    CAS Number:
    21645-51-2
    Molecular formula:
    AlH3O3
    IUPAC Name:
    Aluminium hydroxide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate]dialuminium
    Molecular formula:
    C60H18Al2Br12O15
    IUPAC Name:
    Tris[2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate]dialuminium
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium hydroxide
    EC Number:
    244-492-7
    EC Name:
    Aluminium hydroxide
    CAS Number:
    21645-51-2
    Molecular formula:
    AlH3O3
    IUPAC Name:
    Aluminium hydroxide

    Composition(s) generated upon use

    Other types of composition(s)