1,3-Bis(3-cyanopropyl)tetramethyldisiloxane
1,3-Bis(3-cyanopropyl)tetramethyldisiloxane (CAS: 18027-80-0) is an organosilicon compound with the molecular formula (NC(CH2)3Si(CH3)2)2O and a molecular weight of 268.50 g/mol. This disiloxane derivative features terminal cyano groups, making it a versatile building block in chemical synthesis. It is characterised by its liquid state at room temperature and moderate boiling point, suitable for various laboratory and industrial applications requiring its specific functional groups.
- Synonyms
- [NC(CH2)3Si(CH3)2]2O
![1,3-Bis(3-cyanopropyl)tetramethyldisiloxane ([NC(CH2)3Si(CH3)2]2O) — chemical structure, CAS 18027-80-0; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F18027-80-0.png&w=3840&q=75)
Chemical Synthesis Intermediate
This disiloxane serves as a valuable intermediate in the synthesis of more complex organosilicon compounds. The presence of reactive cyano groups allows for further chemical modifications and functionalization.
Organosilicon Chemistry
As a member of the siloxane family, it finds applications in research and development within organosilicon chemistry. Its structure enables the creation of novel polymers and materials with tailored properties.
Material Science Research
The compound's unique combination of siloxane backbone and nitrile functionalities can be exploited in material science for developing advanced polymers, coatings, or functionalised surfaces.
| Molecular weight | 268.50 |
|---|---|
| Linear formula | [NC(CH2)3Si(CH3)2]2O |
| Assay | 97% |
| Boiling point | 160-162 °C/2 mmHg(lit.) |
| Density | 0.934 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.444(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 105 °C / 221 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 1,3-Bis(3-cyanopropyl)tetramethyldisiloxane used for?
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1,3-Bis(3-cyanopropyl)tetramethyldisiloxane is primarily used as an intermediate in chemical synthesis, particularly within organosilicon chemistry and material science research.
What is the CAS number and formula for 1,3-Bis(3-cyanopropyl)tetramethyldisiloxane?
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The CAS number is 18027-80-0 and the linear formula is [NC(CH2)3Si(CH3)2]2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 97%. It is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 1,3-Bis(3-cyanopropyl)tetramethyldisiloxane be handled?
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This compound is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. If necessary, use a suitable respirator.
How is this chemical packed and exported by TSS?
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Tech Serve Solutions, a global supplier and exporter, ensures appropriate packaging for safe handling, storage, and international shipment of chemicals like 1,3-Bis(3-cyanopropyl)tetramethyldisiloxane according to regulatory requirements.
How can I request a sample or quote for 1,3-Bis(3-cyanopropyl)tetramethyldisiloxane?
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Please contact our sales team via the website or email to request a sample or a quote for 1,3-Bis(3-cyanopropyl)tetramethyldisiloxane.
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