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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Silicic acid, aluminum sodium salt
EC Number:
215-684-8
EC Name:
Silicic acid, aluminum sodium salt
CAS Number:
1344-00-9
Molecular formula:
nSiO2*mAl2O3*zNa2O n = 2-4; m = 0.12-3.20; z = 0.11-4.5
IUPAC Name:
aluminium(3+) sodium bis(oxosilanebis(olate))

Type of Substance

Composition:
UVCB
Origin:
inorganic

Substance Identifiers open all close all

  • Alusil
  • Ebrosil SA-60
  • HAS
  • RHODOXANE
  • Silicalit
  • Sipernat
  • Sodasil
  • TIXOLEX
  • Ultrasil
  • ZEOCOPY®
  • ZEOLEX®
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon dioxide
    EC Number:
    231-545-4
    EC Name:
    Silicon dioxide
    CAS Number:
    7631-86-9
    Molecular formula:
    O2Si
    IUPAC Name:
    Silicon dioxide
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium oxide
    EC Number:
    215-691-6
    EC Name:
    Aluminium oxide
    CAS Number:
    1344-28-1
    Molecular formula:
    Al2O3
    IUPAC Name:
    oxo(oxoalumanyloxy)alumane
    Constituent 3
    Chemical structure
    Reference substance name:
    Disodium oxide
    EC Number:
    215-208-9
    EC Name:
    Disodium oxide
    CAS Number:
    1313-59-3
    Molecular formula:
    Na2O
    IUPAC Name:
    sodium oxide
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate

    Characterisation of nanoforms

    Type of information reported:
    set of nanoforms
    Name of set of nanoforms:
    Nanostructured Silicic acid, aluminium sodium salt (NAS, EC 215-684-8, CAS 1344-00-9)

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 2.5 - <= 15 nm
    Percentile:
    D50
    Range:
    >= 5 - <= 100 nm
    Percentile:
    D90
    Range:
    >= 10 - <= 500 nm
    Additional information:
    Constituent particles are present in aggregates and agglomerates.
    Fraction of constituent particles in the size range 1-100 nm:
    > 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    amorphous
    Name:
    Amorphous
    Pure structure:
    yes
    Range:
    >= 99.7 - <= 100 %
    Description:
    amorphous

    Specific surface area

    Range of specific surface area:
    >= 25 - <= 500 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    Does the set contain both treated and non-surface treated nanoforms?:
    no

    Legal Entity Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon dioxide
    EC Number:
    231-545-4
    EC Name:
    Silicon dioxide
    CAS Number:
    7631-86-9
    Molecular formula:
    O2Si
    IUPAC Name:
    Silicon dioxide
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium oxide
    EC Number:
    215-691-6
    EC Name:
    Aluminium oxide
    CAS Number:
    1344-28-1
    Molecular formula:
    Al2O3
    IUPAC Name:
    oxo(oxoalumanyloxy)alumane
    Constituent 3
    Chemical structure
    Reference substance name:
    Disodium oxide
    EC Number:
    215-208-9
    EC Name:
    Disodium oxide
    CAS Number:
    1313-59-3
    Molecular formula:
    Na2O
    IUPAC Name:
    sodium oxide
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate

    Characterisation of nanoforms

    Type of information reported:
    set of nanoforms
    Name of set of nanoforms:
    Nanostructured Silicic acid, aluminium sodium salt (NAS, EC 215-684-8, CAS 1344-00-9)

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 2.5 - <= 15 nm
    Percentile:
    D50
    Range:
    >= 5 - <= 50 nm
    Percentile:
    D90
    Range:
    >= 10 - <= 500 nm
    Additional information:
    Constituent particles are present in aggregates and agglomerates.
    Fraction of constituent particles in the size range 1-100 nm:
    > 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    amorphous
    Name:
    Amorphous
    Pure structure:
    yes
    Range:
    >= 99.7 - <= 100 %
    Description:
    amorphous

    Specific surface area

    Range of specific surface area:
    >= 25 - <= 500 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    Does the set contain both treated and non-surface treated nanoforms?:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    Silicon dioxide
    EC Number:
    231-545-4
    EC Name:
    Silicon dioxide
    CAS Number:
    7631-86-9
    Molecular formula:
    O2Si
    IUPAC Name:
    Silicon dioxide
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium oxide
    EC Number:
    215-691-6
    EC Name:
    Aluminium oxide
    CAS Number:
    1344-28-1
    Molecular formula:
    Al2O3
    IUPAC Name:
    oxo(oxoalumanyloxy)alumane
    Constituent 3
    Chemical structure
    Reference substance name:
    Disodium oxide
    EC Number:
    215-208-9
    EC Name:
    Disodium oxide
    CAS Number:
    1313-59-3
    Molecular formula:
    Na2O
    IUPAC Name:
    sodium oxide
    Constituent 4
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    disodium sulfate

    Characterisation of nanoforms

    Type of information reported:
    set of nanoforms
    Name of set of nanoforms:
    Nanostructured Silicic acid, aluminium sodium salt (NAS, EC 215-684-8, CAS 1344-00-9)

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 10 - <= 18 nm
    Percentile:
    D50
    Range:
    >= 14 - <= 30 nm
    Percentile:
    D90
    Range:
    >= 19 - <= 50 nm
    Additional information:
    Constituent particles are present in aggregates and agglomerates.
    Fraction of constituent particles in the size range 1-100 nm:
    > 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    amorphous
    Name:
    amorphous
    Pure structure:
    yes
    Range:
    >= 99.7 - <= 100 %
    Description:
    amorphous

    Specific surface area

    Range of specific surface area:
    >= 35 - <= 70 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    Does the set contain both treated and non-surface treated nanoforms?:
    no
    State Form:
    solid: particulate/powder


    Constituent 1