C12H24O4Si4
344.66 g/mol
Electronic ChemicalWarning
2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane
CAS2554-06-5EC219-863-1
Category
Electronic Chemical
Compound Class
Organometallic
Primary Use
electronic chemical precursor
This compound is an organosilicon heterocycle used as an electronic chemical precursor in the manufacturing of electronic materials. It contains a cyclic siloxane core with vinyl and methyl substituents, contributing to its utility in specialized chemical synthesis.
electronic chemical precursor
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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Related Reading
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Read moreWhy the AI Boom Is Also a Chemistry Boom: Inside the Ultra-High-Purity Electronic Chemicals Supply Chain Behind HBM, CoWoS, and Electronic-Grade HF
An AI chip isn't just bigger than an ordinary chip — it passes through more lithography, etch, clean, and polish cycles, each consuming ultra-high-purity photoresist, CMP slurry, electronic-grade HF, sulfuric acid, and PGMEA at parts-per-trillion purity. A fact-based map of why this supply chain is short, hard to switch suppliers on, and now visibly tightening.
Read moreSafety Reference
Warning
H319Causes serious eye irritation
H302Harmful if swallowed
Customs Tariff Classification
The international HS code for 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane (CAS 2554-06-5) is 2931.90.
HS code (international, 6-digit)
2931.90
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
2,4,6,8-tetrakis(ethenyl)-2,4,6,8-tetramethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane
InChIKey
VMAWODUEPLAHOE-UHFFFAOYSA-N
SMILES
C[Si]1(O[Si](O[Si](O[Si](O1)(C)C=C)(C)C=C)(C)C=C)C=C
Synonyms (20)
- TM-TVCS
Sourcing 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane?
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