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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
carbon

Inventory

CAS number:
7440-44-0
Synonyms
Names:
Identifier:
CAS number
7440-44-0
Identifier:
IUPAC name
single wall carbon nanotubes
Identifier:
other: Molecular formula
C
Single Wall Carbon Nanotubes (SWCNT)

Molecular and structural information

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
Molecular weight:
ca. 16
SMILES notation:
[C]
InChl:
not applicable
Structural formula:
Chemical structure

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