3-Aminopropyltrimethoxysilane

3-氨基丙基三甲氧基硅烷

Also known as: 3-(Trimethoxysilyl)-1-propanamine, γ-Aminopropyltrimethoxysilane, APTMS, 3-(Trimethoxysilyl)propylamine, 1-Propanamine, 3-(trimethoxysilyl)-, Momentive A-1110, Silquest A-1110

CAS No.
13822-56-5
Jingsj CID
J-18780-4
Molecular Formula
C6H17NO3Si
Chinese Name
3-氨基丙基三甲氧基硅烷
Molecular Weight
179.290 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point194ºC
Boiling Point204.3±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point49.1±19.8 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3-Aminopropyltrimethoxysilane?

13822-56-5

What are the molecular formula and molecular weight of 3-Aminopropyltrimethoxysilane?

C6H17NO3Si, molecular weight 179.290 g/mol

Is 3-Aminopropyltrimethoxysilane hazardous?

Danger

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