Poly(dimethylsiloxane), bis(3-aminopropyl) terminated
Poly(dimethylsiloxane), bis(3-aminopropyl) terminated (CAS: 106214-84-0) is a silicone polymer featuring primary amine functionalities at both ends of its siloxane chain. This unique structure imparts reactivity and surface-modifying capabilities. It is widely utilised in materials science, micro/nanoelectronics, and bioelectronics for applications such as surface functionalisation, crosslinking, and the development of advanced polymer materials. Its low viscosity and good solubility in organic solvents make it easy to process.
- IUPAC
- PDMS
- Synonyms
- Poly(dimethylsiloxane), bis(3-aminopropyl) terminatedH2N(CH2)3Si(CH3)2O[Si(CH3)2O]nSi(CH3)2(CH2)3NH2
![Poly(dimethylsiloxane), bis(3-aminopropyl) terminated (H2N(CH2)3Si(CH3)2O[Si(CH3)2O]nSi(CH3)2(CH2)3NH2) — chemical structure, CAS 106214-84-0; Materials Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F106214-84-0.png&w=3840&q=75)
Surface Modification
This amine-terminated PDMS is ideal for functionalising surfaces in microfluidics and bioelectronics. The amine groups can readily react with various substrates, altering surface properties like adhesion and wettability.
Polymer Synthesis
It serves as a building block in polymer chemistry, acting as a crosslinker or chain extender in the synthesis of specialised silicone-based polymers and elastomers. Its defined molecular weight allows for control over polymer architecture.
Microelectronics and Nanoprinting
The compound is employed in micro/nanoelectronics applications, including its use in self-assembly processes and as a component in stamps for nanolithography and nanoprinting techniques.
Bioelectronics and Sensor Development
Its biocompatibility and reactive amine groups make it suitable for developing interfaces in bioelectronic devices and sensors. It can facilitate the immobilisation of biomolecules or improve electrode performance.
| Linear formula | H2N(CH2)3Si(CH3)2O[Si(CH3)2O]nSi(CH3)2(CH2)3NH2 |
|---|---|
| Boiling point | >200 °C(lit.) |
| Density | 0.98 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.410 |
| Viscosity | 50 cSt(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Mol Wt | average Mn ~27,000 |
|---|---|
| Activity | 0.6-0.8 meq/g (Amine number) |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Poly(dimethylsiloxane), bis(3-aminopropyl) terminated used for?
+
Poly(dimethylsiloxane), bis(3-aminopropyl) terminated (CAS: 106214-84-0) is used in materials science, micro/nanoelectronics, bioelectronics, microfluidics, and as a building block for specialised polymers and surface modification.
What are the CAS number and linear formula for this chemical?
+
The CAS number is 106214-84-0, and the linear formula is H₂N(CH₂)₃Si(CH₃)₂O[Si(CH₃)₂O]nSi(CH₃)₂(CH₂)₃NH₂.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Poly(dimethylsiloxane), bis(3-aminopropyl) terminated with an average molecular weight of ~27,000 and an amine number of 0.6-0.8 meq/g. This product is supplied for research and development purposes and is not represented as USP/BP/EP grade.
What are the safety and handling precautions for this product?
+
This product requires the use of Eyeshields and Gloves for safe handling. It has a flash point above 113 °C (235.4 °F) and a WGK rating of 3 in Germany, indicating a high hazard to water.
How is this chemical packed and shipped by Tech Serve Solutions?
+
Tech Serve Solutions, as a global supplier and exporter, packs and ships fine chemicals with the utmost care, adhering to all international regulations for the safe transport of chemical goods.
How can I request a sample or a quote for this product?
+
To request a sample or a quote for Poly(dimethylsiloxane), bis(3-aminopropyl) terminated, please contact our sales team through the website or by phone. We cater to global export requirements.
▶ Related products

(11-Mercaptoundecyl)-N,N,N-trimethylammonium bromide
Micro / NanoElectronics

(11-Mercaptoundecyl)hexa(ethylene glycol)
C23H48O7S
Micro / NanoElectronics
(12-Phosphonododecyl)phosphonic acid
C12H28O6P2
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoroheptyl)oxirane
C9H5F13O
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononyl)oxirane
C11H5F17O
Micro / NanoElectronics
(3-Chloropropyl)dimethoxymethylsilane
Cl(CH2)3Si(OCH3)2CH3
Micro / NanoElectronics
(3-Chloropropyl)trimethoxysilane
Cl(CH2)3Si(OCH3)3
Micro / NanoElectronics
(4-Bromophenyl)diphenylsulfonium triflate
C19H14BrF3O3S2
Micro / NanoElectronics▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis