Registration Dossier

Identification

Chemical structure
Display Name:
Bentonite, acid-leached
EC Number:
274-324-8
EC Name:
Bentonite, acid-leached
CAS Number:
70131-50-9
Molecular formula:
unspecified for this UVCB substance
IUPAC Name:
silanedione alumane calcium hydrate silane sodium

Type of substance

Composition:
UVCB
Origin:
inorganic

Other names

Trade names:
Bleaching Earth
CERATOFIX® Types
CERATOSIL® Types
EX-2119
Fulacolor (various grades)
Fulcat (various grades)
ICA 5000
Krystal Klear 100
Krystal Klear 200
Krystal Klear QF
Opazil SO
QF
Südflock P 61
T-4355
Taiko Classic
Taiko Excel
Taiko Omega
Taiko Supreme
TONSIL 522 FF
Tonsil APT Types
Tonsil CO Types
Tonsil COG
Tonsil EX 1576 (VI)
TONSIL EX 1717 (III)
Tonsil Optimum Types
Tonsil Standard Types
TONSIL SUPREME types
Tonsil Types
V2 granules
V2 Super
V2S

Total tonnage band

Total range:
100 000 - 1 000 000 tonnes per annum

REACH

Registered as:
FULL
Submitted:
Joint Submission

Publication dates

First published:
03-Apr-2011
Last modified:
21-Aug-2019

Chemical safety assessment

Performed for this substance:
YES

Compositions open all close all

Type:
legal entity composition of the substance
State Form:
solid: particulate/powder


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:
Aluminium oxide
Constituent 3
Chemical structure
Reference substance name:
Diiron trioxide
EC Number:
215-168-2
EC Name:
Diiron trioxide
CAS Number:
1309-37-1
Molecular formula:
Fe2O3
IUPAC Name:
diiron trioxide (Maghemite)
Constituent 4
Chemical structure
Reference substance name:
Titanium dioxide
EC Number:
236-675-5
EC Name:
Titanium dioxide
CAS Number:
13463-67-7
Molecular formula:
O2Ti
IUPAC Name:
dioxotitanium
Constituent 5
Chemical structure
Reference substance name:
Calcium oxide
EC Number:
215-138-9
EC Name:
Calcium oxide
CAS Number:
1305-78-8
Molecular formula:
CaO
IUPAC Name:
Calcium oxide
Constituent 6
Chemical structure
Reference substance name:
Dipotassium oxide
EC Number:
235-227-6
EC Name:
Dipotassium oxide
CAS Number:
12136-45-7
Molecular formula:
K2O
IUPAC Name:
potassium oxidopotassium
Type:
legal entity composition of the substance
State Form:
solid: particulate/powder


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:
Aluminium oxide
Constituent 3
Chemical structure
Reference substance name:
Magnesium oxide
EC Number:
215-171-9
EC Name:
Magnesium oxide
CAS Number:
1309-48-4
Molecular formula:
MgO
IUPAC Name:
magnesium oxide
Constituent 4
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:
Disodium oxide
Constituent 5
Chemical structure
Reference substance name:
Calcium oxide
EC Number:
215-138-9
EC Name:
Calcium oxide
CAS Number:
1305-78-8
Molecular formula:
CaO
IUPAC Name:
Calcium oxide
Constituent 6
Chemical structure
Reference substance name:
Sulphur trioxide
EC Number:
231-197-3
EC Name:
Sulphur trioxide
CAS Number:
7446-11-9
Molecular formula:
O3S
IUPAC Name:
sulphur trioxide
Constituent 7
Chemical structure
Reference substance name:
Diphosphorus pentaoxide
EC Number:
215-236-1
EC Name:
Diphosphorus pentaoxide
CAS Number:
1314-56-3
Molecular formula:
O5P2
IUPAC Name:
Phosphorus pentoxide
Constituent 8
Chemical structure
Reference substance name:
Dipotassium oxide
EC Number:
235-227-6
EC Name:
Dipotassium oxide
CAS Number:
12136-45-7
Molecular formula:
K2O
IUPAC Name:
potassium oxidopotassium
Constituent 9
Reference substance name:
analysed constituents
IUPAC Name:
analysed constituents
Type:
legal entity composition of the substance


Constituent 1
Reference substance name:
Smectite-group minerals
EC Number:
235-374-6
EC Name:
Smectite-group minerals
CAS Number:
12199-37-0
Molecular formula:
Not available
IUPAC Name:
Hydrated sodium calcium aluminum silicate
Constituent 2
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 3
Chemical structure
Reference substance name:
Feldspar-group minerals
EC Number:
270-666-7
EC Name:
Feldspar-group minerals
CAS Number:
68476-25-5
Molecular formula:
NaAlSi3O8
IUPAC Name:
Feldspar-group minerals
Constituent 4
Chemical structure
Reference substance name:
Quartz (SiO2)
EC Number:
238-878-4
EC Name:
Quartz (SiO2)
CAS Number:
14808-60-7
Molecular formula:
SiO2
IUPAC Name:
Silicon dioxide (quartz)
Type:
legal entity composition of the substance


Constituent 1
Reference substance name:
Smectite-group minerals
EC Number:
235-374-6
EC Name:
Smectite-group minerals
CAS Number:
12199-37-0
Molecular formula:
Not available
IUPAC Name:
Hydrated sodium calcium aluminum silicate
Constituent 2
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 3
Chemical structure
Reference substance name:
Feldspar-group minerals
EC Number:
270-666-7
EC Name:
Feldspar-group minerals
CAS Number:
68476-25-5
Molecular formula:
NaAlSi3O8
IUPAC Name:
Feldspar-group minerals
Constituent 4
Chemical structure
Reference substance name:
Quartz (SiO2)
EC Number:
238-878-4
EC Name:
Quartz (SiO2)
CAS Number:
14808-60-7
Molecular formula:
SiO2
IUPAC Name:
Silicon dioxide (quartz)
Constituent 5
Chemical structure
Reference substance name:
Cristobalite
EC Number:
238-455-4
EC Name:
Cristobalite
CAS Number:
14464-46-1
Molecular formula:
O2Si
IUPAC Name:
Silicon dioxide (cristobalite)
Constituent 6
Chemical structure
Reference substance name:
Calcium sulfate
EC Number:
231-900-3
EC Name:
Calcium sulfate
CAS Number:
7778-18-9
Molecular formula:
Ca.H2O4S
IUPAC Name:
calcium sulfate
Constituent 7
Chemical structure
Reference substance name:
Anatase (TiO2)
EC Number:
215-280-1
EC Name:
Anatase (TiO2)
CAS Number:
1317-70-0
Molecular formula:
O2Ti
IUPAC Name:
Titanium dioxide (Anatase)
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Reference substance name:
Smectite-group minerals
EC Number:
235-374-6
EC Name:
Smectite-group minerals
CAS Number:
12199-37-0
Molecular formula:
Not available
IUPAC Name:
Hydrated sodium calcium aluminum silicate
Constituent 2
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 3
Chemical structure
Reference substance name:
Feldspar-group minerals
EC Number:
270-666-7
EC Name:
Feldspar-group minerals
CAS Number:
68476-25-5
Molecular formula:
NaAlSi3O8
IUPAC Name:
Feldspar-group minerals
Constituent 4
Chemical structure
Reference substance name:
Quartz (SiO2)
EC Number:
238-878-4
EC Name:
Quartz (SiO2)
CAS Number:
14808-60-7
Molecular formula:
SiO2
IUPAC Name:
Silicon dioxide (quartz)
Constituent 5
Chemical structure
Reference substance name:
Calcium sulfate
EC Number:
231-900-3
EC Name:
Calcium sulfate
CAS Number:
7778-18-9
Molecular formula:
Ca.H2O4S
IUPAC Name:
calcium sulfate
Constituent 6
Reference substance name:
Naturally occurring substances
EC Number:
310-127-6
EC Name:
Naturally occurring substances
CAS Number:
12174-37-7
IUPAC Name:
pyroxene
Type:
legal entity composition of the substance


Constituent 1
Reference substance name:
Smectite-group minerals
EC Number:
235-374-6
EC Name:
Smectite-group minerals
CAS Number:
12199-37-0
Molecular formula:
Not available
IUPAC Name:
Hydrated sodium calcium aluminum silicate
Constituent 2
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 3
Chemical structure
Reference substance name:
Feldspar-group minerals
EC Number:
270-666-7
EC Name:
Feldspar-group minerals
CAS Number:
68476-25-5
Molecular formula:
NaAlSi3O8
IUPAC Name:
Feldspar-group minerals
Constituent 4
Chemical structure
Reference substance name:
Quartz (SiO2)
EC Number:
238-878-4
EC Name:
Quartz (SiO2)
CAS Number:
14808-60-7
Molecular formula:
SiO2
IUPAC Name:
Silicon dioxide (quartz)
Constituent 5
Chemical structure
Reference substance name:
Calcium sulfate
EC Number:
231-900-3
EC Name:
Calcium sulfate
CAS Number:
7778-18-9
Molecular formula:
Ca.H2O4S
IUPAC Name:
calcium sulfate
Constituent 6
Reference substance name:
Naturally occurring substances
EC Number:
310-127-6
EC Name:
Naturally occurring substances
CAS Number:
12174-37-7
IUPAC Name:
pyroxene
Type:
legal entity composition of the substance


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:
Aluminium oxide
Constituent 3
Chemical structure
Reference substance name:
Diiron trioxide
EC Number:
215-168-2
EC Name:
Diiron trioxide
CAS Number:
1309-37-1
Molecular formula:
Fe2O3
IUPAC Name:
diiron trioxide (Maghemite)
Constituent 4
Chemical structure
Reference substance name:
Calcium oxide
EC Number:
215-138-9
EC Name:
Calcium oxide
CAS Number:
1305-78-8
Molecular formula:
CaO
IUPAC Name:
Calcium oxide
Constituent 5
Chemical structure
Reference substance name:
Magnesium oxide
EC Number:
215-171-9
EC Name:
Magnesium oxide
CAS Number:
1309-48-4
Molecular formula:
MgO
IUPAC Name:
magnesium oxide
Constituent 6
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:
Disodium oxide
Constituent 7
Chemical structure
Reference substance name:
Dipotassium oxide
EC Number:
235-227-6
EC Name:
Dipotassium oxide
CAS Number:
12136-45-7
Molecular formula:
K2O
IUPAC Name:
potassium oxidopotassium
Constituent 8
Chemical structure
Reference substance name:
Rutile (TiO2)
EC Number:
215-282-2
EC Name:
Rutile (TiO2)
CAS Number:
1317-80-2
Molecular formula:
O2Ti
IUPAC Name:
dioxotitanium
Constituent 9
Chemical structure
Reference substance name:
Mercury
EC Number:
231-106-7
EC Name:
Mercury
CAS Number:
7439-97-6
Molecular formula:
Hg
IUPAC Name:
mercury
Constituent 10
Chemical structure
Reference substance name:
Lead
EC Number:
231-100-4
EC Name:
Lead
CAS Number:
7439-92-1
Molecular formula:
Pb
Constituent 11
Chemical structure
Reference substance name:
Copper
EC Number:
231-159-6
EC Name:
Copper
CAS Number:
7440-50-8
Molecular formula:
Cu
IUPAC Name:
copper
Constituent 12
Chemical structure
Reference substance name:
Arsenic
EC Number:
231-148-6
EC Name:
Arsenic
CAS Number:
7440-38-2
Molecular formula:
As
IUPAC Name:
arsine
Constituent 13
Chemical structure
Reference substance name:
Iron
EC Number:
231-096-4
EC Name:
Iron
CAS Number:
7439-89-6
Molecular formula:
Fe
IUPAC Name:
iron
Type:
legal entity composition of the substance


Constituent 1
Reference substance name:
Smectite-group minerals
EC Number:
235-374-6
EC Name:
Smectite-group minerals
CAS Number:
12199-37-0
Molecular formula:
Not available
IUPAC Name:
Hydrated sodium calcium aluminum silicate
Constituent 2
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 3
Chemical structure
Reference substance name:
Calcium sulfate
EC Number:
231-900-3
EC Name:
Calcium sulfate
CAS Number:
7778-18-9
Molecular formula:
Ca.H2O4S
IUPAC Name:
calcium sulfate
Constituent 4
Chemical structure
Reference substance name:
Quartz (SiO2)
EC Number:
238-878-4
EC Name:
Quartz (SiO2)
CAS Number:
14808-60-7
Molecular formula:
SiO2
IUPAC Name:
Silicon dioxide (quartz)
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Reference substance name:
Smectite-group minerals
EC Number:
235-374-6
EC Name:
Smectite-group minerals
CAS Number:
12199-37-0
Molecular formula:
Not available
IUPAC Name:
Hydrated sodium calcium aluminum silicate
Constituent 2
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 3