Registration Dossier

Identification

Chemical structure
Display Name:
Single Wall Carbon Nanotubes (SWCNT)
EC Number:
943-098-9
Molecular formula:
Carbon. Morphological features: - Tube cylindrical surface is formed by 6-membered rings consisting of carbon atoms linked by a double bond. - Carbon nanotube chirality is random. - Tube length: 1 - 10 μm. - Agglomeration: CNTs tend for form bundles
IUPAC Name:
Single Wall Carbon Nanotubes (SWCNT)

Type of substance

Composition:
mono-constituent substance
Origin:
inorganic

Total tonnage band

Total range:
10 - 100 tonnes per annum

REACH

Registered as:
FULL
Submitted:
Joint Submission

Publication dates

First published:
13-Oct-2016
Last modified:
30-Apr-2020

Chemical safety assessment

Performed for this substance:
YES

Compositions open all close all

Type:
legal entity composition of the substance
State Form:
solid: nanoform


Constituent 1
Chemical structure
Reference substance name:
Single Wall Carbon Nanotubes (SWCNT)
EC Number:
943-098-9
Molecular formula:
Carbon. Morphological features: - Tube cylindrical surface is formed by 6-membered rings consisting of carbon atoms linked by a double bond. - Carbon nanotube chirality is random. - Tube length: 1 - 10 μm. - Agglomeration: CNTs tend for form bundles
IUPAC Name:
Single Wall Carbon Nanotubes (SWCNT)

Characterisation of nanoforms

Type of information reported:
single nanoform

Shape

Shape description
Shape category:
elongated
Shape:
tube
Pure shape:
yes

Particle size distribution and range

Particle size distribution and range
Shape category:
elongated
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 1.3 nm
Range:
>= 1.2 - <= 1.4 nm
Percentile:
D50
Typical value:
ca. 1.7 nm
Range:
>= 1.6 - <= 1.8 nm
Percentile:
D90
Typical value:
ca. 2 nm
Range:
>= 1.9 - <= 2.2 nm
Typical length:
ca. 10 μm
Range of length:
>= 1 - <= 20 μm
Range of lateral dimension 1:
>= 1 - <= 2.4 nm
Range of lateral dimension 2:
>= 1 - <= 2.4 nm
Typical aspect ratio (:1):
ca. 5 000 :1
Range of aspect ratio (:1):
>= 2 000 - <= 10 000
Fraction of constituent particles in the size range 1-100 nm:
>= 90 - <= 100 %

Crystallinity

Structures
Structure:
amorphous
Pure structure:
yes

Specific surface area

Typical specific surface area:
ca. 1 000 m²/g
Range of specific surface area:
>= 600 - <= 1 300 m²/g

Surface functionalisation / treatment

Surface treatment applied:
no
Type:
boundary composition of the substance
State Form:
solid: nanoform


Constituent 1