Tris(dimethylamino)silane
三(二甲氨基)硅烷
Also known as: N,N,N',N',N'',N''-Hexamethylsilanetriamine, N,N',N''-Silanetriyltris(dimethylamine), Tris(dimethylamido)silane, LS 1460
Tris(dimethylamino)silane (CAS 15112-89-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H19N3Si and a molecular weight of 161.321 g/mol. It is also known as N,N,N',N',N'',N''-Hexamethylsilanetriamine, N,N',N''-Silanetriyltris(dimethylamine) and Tris(dimethylamido)silane. Key properties include a melting point of <-90 ºC, a boiling point of 145-148 ºC (765 Torr), a density of 0.838 g/cm3 and a flash point of 38.4±18.7 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H261 and H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15112-89-7
- Jingsj CID
- J-14144-4
- Molecular Formula
- C6H19N3Si
- Chinese Name
- 三(二甲氨基)硅烷
- Molecular Weight
- 161.321 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | <-90 ºC |
|---|---|
| Boiling Point | 145-148 ºC (765 Torr) |
| Density | 0.838 g/cm3 |
| Flash Point | 38.4±18.7 °C |
| Exact Mass | 161.134827 |
| PSA | 9.72000 |
| LogP | 1.10 |
| Vapor Pressure | 6.3±0.3 mmHg at 25°C |
| Additional Property | Slightly soluble (1.6 g/L) (25 ºC) |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H261
- H302 — Harmful if swallowed
- H311 — Toxic in contact with skin
- H314 — Causes severe skin burns and eye damage
- H330 — Fatal if inhaled
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Tris(dimethylamino)silane?
The CAS number of Tris(dimethylamino)silane is 15112-89-7.
What are the molecular formula and molecular weight of Tris(dimethylamino)silane?
Tris(dimethylamino)silane has molecular formula C6H19N3Si and molecular weight 161.321 g/mol.
Is Tris(dimethylamino)silane hazardous?
Tris(dimethylamino)silane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H261; H302 — Harmful if swallowed.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tris(dimethylamino)silane (CAS 15112-89-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14144-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.