Registration Dossier

Identification

Chemical structure
Display Name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon

Type of substance

Composition:
mono-constituent substance
Origin:
inorganic

Total tonnage band

Total range:
1 000 000+ tonnes per annum

REACH

Registered as:
FULL
Submitted:
Joint Submission

Publication dates

First published:
20-Dec-2010
Last modified:
25-Jun-2020

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
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
Degree of purity:
>= 95.1 - 100 % (w/w)


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Impurity 1
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
Impurity 2
Chemical structure
Reference substance name:
Calcium
EC Number:
231-179-5
EC Name:
Calcium
CAS Number:
7440-70-2
Molecular formula:
Ca
IUPAC Name:
calcium
Impurity 3
Chemical structure
Reference substance name:
Aluminium
EC Number:
231-072-3
EC Name:
Aluminium
CAS Number:
7429-90-5
Molecular formula:
Al
IUPAC Name:
aluminum
Impurity 4
Chemical structure
Reference substance name:
Manganese
EC Number:
231-105-1
EC Name:
Manganese
CAS Number:
7439-96-5
Molecular formula:
Mn
IUPAC Name:
manganese(2+)
Impurity 5
Chemical structure
Reference substance name:
Titanium
EC Number:
231-142-3
EC Name:
Titanium
CAS Number:
7440-32-6
Molecular formula:
Ti
Impurity 6
Chemical structure
Reference substance name:
Carbon
EC Number:
231-153-3
EC Name:
Carbon
CAS Number:
7440-44-0
Molecular formula:
C
IUPAC Name:
carbon
Impurity 7
Chemical structure
Reference substance name:
Oxygen
EC Number:
231-956-9
EC Name:
Oxygen
CAS Number:
7782-44-7
Molecular formula:
O2
Impurity 8
Chemical structure
Reference substance name:
Phosphorus
EC Number:
231-768-7
EC Name:
Phosphorus
CAS Number:
7723-14-0
Molecular formula:
P
IUPAC Name:
phosphine
Impurity 9
Chemical structure
Reference substance name:
Magnesium
EC Number:
231-104-6
EC Name:
Magnesium
CAS Number:
7439-95-4
Molecular formula:
Mg
IUPAC Name:
magnesium
Impurity 10
Chemical structure
Reference substance name:
Lead
EC Number:
231-100-4
EC Name:
Lead
CAS Number:
7439-92-1
Molecular formula:
Pb
Impurity 11
Chemical structure
Reference substance name:
Boron
EC Number:
231-151-2
EC Name:
Boron
CAS Number:
7440-42-8
Molecular formula:
B
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
other: solid (bulk): substance in alloy


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Chromium
EC Number:
231-157-5
EC Name:
Chromium
CAS Number:
7440-47-3
Molecular formula:
Cr
IUPAC Name:
chromium(2+)
Constituent 2
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Constituent 3
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
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance
State Form:
solid: bulk


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Type:
legal entity composition of the substance


Constituent 1
Chemical structure
Reference substance name:
Silicon
EC Number:
231-130-8
EC Name:
Silicon
CAS Number:
7440-21-3
Molecular formula:
Si
IUPAC Name:
silicon
Constituent 2
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