C7H12O6Si
220.25 g/mol
Industrial ChemicalDanger
Methyltriacetoxysilane
CAS4253-34-3EC224-221-9
Category
Industrial Chemical
Compound Class
Ester
Primary Use
cross-linker for silicone sealants and adhesives
Methyltriacetoxysilane is an organosilicon compound that functions primarily as a cross-linking agent. It is designed to completely react during the curing process of silicone sealants and adhesives, contributing to their structural integrity.
cross-linker for silicone sealants and adhesiveswaterproofing agent
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 Compounds
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Synthetic intermediate for organic synthesis
ReferenceSame Category
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flame retardant additive
Safety Reference
Danger
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H371May cause damage to organs
Customs Tariff Classification
The international HS code for Methyltriacetoxysilane (CAS 4253-34-3) 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
[diacetyloxy(methyl)silyl] acetate
InChIKey
TVJPBVNWVPUZBM-UHFFFAOYSA-N
SMILES
CC(=O)O[Si](C)(OC(=O)C)OC(=O)C
Synonyms (15)
- APK 1 (silane derivative)
- K 10S
- Methylsilanetriol triacetate
- Methylsilanetriyl triacetate
- Methyltriacetoxysilane
- Silane, methyltriacetoxy
- methyltriacetoxysilan
- triacetoxy(methylsilane)
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