Soot is a mass of impure carbon particles produced by the incomplete combustion of hydrocarbons. It is considered a hazardous substance with carcinogenic properties, and includes black carbon and residual pyrolysed fuel particles.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Carbon black
Industrial pigment and filler
Activated charcoal
Carbon black as pigment and reducing agent
Carbon nanotube
carbon black pigment
Chromium
Steel and alloys production
Gold
Jewelry making and electroplating
Helium
Inert gas for industrial processes
Xenon
anesthetic and lamp gas
The international HS code for Elemental Carbon (CAS 7440-44-0) is 3802.10.
3802.10
3802 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
methane
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[C]
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