Safety Reference
Danger
H228Flammable solid
H320Causes eye irritation
Regulatory Compliance1
Sourcing SILICON?
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Silicon source for semiconductor deposition
Sourcing SILICON?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Silicon is a dark brown amorphous powder that is insoluble in water and denser than water. It burns readily when exposed to heat or flames and is used as a key material in semiconductor and photovoltaic devices, such as solar cells and computer microchips.
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.
The international HS code for SILICON (CAS 7440-21-3) is 2804.61.
2804.61
2804 61 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
silicon
XUIMIQQOPSSXEZ-UHFFFAOYSA-N
[Si]