Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H350May cause cancer
Sourcing SILICON DIOXIDE?
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Sourcing SILICON DIOXIDE?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
Silicon dioxide, also known as silica, is an oxide of silicon with the chemical formula SiO2. It is commonly found in nature as quartz and is the major constituent of sand.
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 DIOXIDE (CAS 7631-86-9) is 2811.22.
2811.22
2811 22 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
dioxosilane
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
O=[Si]=O