Safety Reference
Danger
H225Highly flammable liquid and vapour
H315Causes skin irritation
H319Causes serious eye irritation
H335
Sourcing 1,1,3,3-Tetramethyldisiloxane?
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Sourcing 1,1,3,3-Tetramethyldisiloxane?
Post a free purchase request — no account needed. It reaches suppliers of this product, and replies go straight to your inbox.
1,1,3,3-Tetramethyldisiloxane is an organosilicon compound used as a silylation reagent and a pharmaceutical intermediate. It serves as a building block in the synthesis of various silicon-containing compounds for laboratory and industrial applications.
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 1,1,3,3-Tetramethyldisiloxane (CAS 3277-26-7) is 2931.90.
2931.90
2931 90 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
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C[Si](C)O[Si](C)C