N,O-Bis(trimethyl-d9-silyl)acetamide
N,O-双(三甲硅烷基-d9)乙酰胺
Also known as: Trimethylsilyl N-(trimethylsilyl)acetimidate-d18, BSA (bis-trimethylsilyl-D??, 98%), BSA-D18, Ethanimidic acid, N-(trimethyl-d9-silyl)-, trimethyl-d9-silyl ester, (1E)-, N,O-BIS(TRIMETHYL-D9-SILYL)ACETAMIDE, N,O-Bis(triMethyl-d9-silyl)acetaMide >90%, N,O-Bis(trimethyl-d9-silyl)acetamide >N,O-Bis(trimethyl-d9-silyl)acetamide, N-[Tri(methyl-d9)silyl]ethanimidic Acid Tri(methyl-d9)silyl Ester, Tris[(H)methyl]silyl (1E)-N-{tris[(H)methyl]silyl}ethanimidate, n,o-bis(trimethyl-d9-silyl)acetamide
N,O-Bis(trimethyl-d9-silyl)acetamide (CAS 203784-65-0) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H3D18NOSi2 and a molecular weight of 221.540 g/mol. It is also known as Trimethylsilyl N-(trimethylsilyl)acetimidate-d18, BSA (bis-trimethylsilyl-D??, 98%) and BSA-D18. Key properties include a melting point of 24ºC, a boiling point of 162.1±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 65.5±22.6 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 203784-65-0
- Jingsj CID
- J-1975214-9
- Molecular Formula
- C8H3D18NOSi2
- Chinese Name
- N,O-双(三甲硅烷基-d9)乙酰胺
- Molecular Weight
- 221.540 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 24ºC |
|---|---|
| Boiling Point | 162.1±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | 65.5±22.6 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of N,O-Bis(trimethyl-d9-silyl)acetamide?
The CAS number of N,O-Bis(trimethyl-d9-silyl)acetamide is 203784-65-0.
What are the molecular formula and molecular weight of N,O-Bis(trimethyl-d9-silyl)acetamide?
N,O-Bis(trimethyl-d9-silyl)acetamide has molecular formula C8H3D18NOSi2 and molecular weight 221.540 g/mol.
Is N,O-Bis(trimethyl-d9-silyl)acetamide hazardous?
N,O-Bis(trimethyl-d9-silyl)acetamide has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N,O-Bis(trimethyl-d9-silyl)acetamide (CAS 203784-65-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975214-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.