Hexyltrimethoxysilane

Q: What are the molecular formula and molecular weight of Hexyltrimethoxysilane?

C9H22O3Si, molecular weight 206.355 g/mol

正己基三甲氧基硅烷

Also known as: Hexyltrimethoxysilane, n-Hexyltrimethoxysilane, Hexyl(trimethoxy)silane, Trimethoxy-hexylsilane, Silane, hexyltrimethoxy-, 1-(Trimethoxysilyl)hexane, HEXYLTRIMETHOXYSILANE, IOTA 5044

CAS No.: 3069-19-0
Jingsj CID: J-40962-1
Molecular Formula: C₉H₂₂O₃Si
Chinese Name: 正己基三甲氧基硅烷
Molecular Weight: 206.355 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	<0ºC
Boiling Point	168.4±8.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	61.0±21.3 °C

Frequently Asked Questions

What is the CAS number of Hexyltrimethoxysilane?

3069-19-0

What are the molecular formula and molecular weight of Hexyltrimethoxysilane?

C9H22O3Si, molecular weight 206.355 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026