N,O-Bis(trimethylsilyl)trifluoroacetamide
Also known as: Bis(trimethylsilyl)trifluoroacetamide, BSTFA, N,O-BSTFA, REGISIL RC-1, REGISIL RC-2, REGISIL RC-3, 2,2,2-Trifluoro-O,N-bis(trimethylsilyl)acetamide, Trimethylsilyl (1Z)-2,2,2-trifluoro-N-[(Z)-trimethylsilyl]ethanimidoate
N,O-Bis(trimethylsilyl)trifluoroacetamide (CAS 25561-30-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C8H18F3NOSi2 and a molecular weight of 257.401 g/mol. Key properties include a melting point of -10°C, a boiling point of 170.0±50.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 56.6±30.1 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25561-30-2
- Jingsj CID
- J-984499-9
- Molecular Formula
- C8H18F3NOSi2
- Molecular Weight
- 257.401 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -10°C |
|---|---|
| Boiling Point | 170.0±50.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 56.6±30.1 °C |
| Exact Mass | 257.087891 |
| PSA | 21.59000 |
| LogP | 3.42 |
| Vapor Pressure | 1.5±0.3 mmHg at 25°C |
| Refractive Index | 1.396 |
| Storage Conditions | 2-8℃ |
| Additional Property | hydrolyses |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
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 N,O-Bis(trimethylsilyl)trifluoroacetamide?
The CAS number of N,O-Bis(trimethylsilyl)trifluoroacetamide is 25561-30-2.
What are the molecular formula and molecular weight of N,O-Bis(trimethylsilyl)trifluoroacetamide?
N,O-Bis(trimethylsilyl)trifluoroacetamide has molecular formula C8H18F3NOSi2 and molecular weight 257.401 g/mol.
Is N,O-Bis(trimethylsilyl)trifluoroacetamide hazardous?
N,O-Bis(trimethylsilyl)trifluoroacetamide has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of N,O-Bis(trimethylsilyl)trifluoroacetamide?
For N,O-Bis(trimethylsilyl)trifluoroacetamide, Upstream Products: Chlorotrimethylsilane, 2,2,2-Trifluoroacetamide, Trifluoroacetyl chloride; Downstream Products: Trimethylsilyl trimethylsiloxyacetate, 2,2,2-Trifluoroacetamide, N-(Trimethylsilyl)-2-[(trimethylsilyl)oxy]pyrimidin-4-amine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N,O-Bis(trimethylsilyl)trifluoroacetamide (CAS 25561-30-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-984499-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.