N-Methyl-N-(trimethylsilyl)trifluoroacetamide
Also known as: MSTFA, 2,2,2-Trifluoro-N-methyl-N-(trimethylsilyl)acetamide, N-Trimethylsilyl-N-methyl trifluoroacetamide, N-Methyl-N-trimethylsilyltrifluoroacetamide, Acetamide, 2,2,2-trifluoro-N-methyl-N-(trimethylsilyl)-, N-Methyl-N-(trimethylsilyl)trifluoroacetamide (MSTFA), MSTFA activated III
N-Methyl-N-(trimethylsilyl)trifluoroacetamide (CAS 24589-78-4) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H12F3NOSi and a molecular weight of 199.246 g/mol. Key properties include a melting point of 98-100°C, a boiling point of 131.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 28.0±25.9 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 24589-78-4
- Jingsj CID
- J-44727-8
- Molecular Formula
- C6H12F3NOSi
- Molecular Weight
- 199.246 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 98-100°C |
|---|---|
| Boiling Point | 131.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 28.0±25.9 °C |
| Exact Mass | 199.064026 |
| PSA | 20.31000 |
| LogP | 2.09 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 9.5±0.2 mmHg at 25°C |
| Refractive Index | 1.381 |
| Storage Conditions | 2-8℃ |
| Additional Property | reacts |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Methyl-N-(trimethylsilyl)trifluoroacetamide?
The CAS number of N-Methyl-N-(trimethylsilyl)trifluoroacetamide is 24589-78-4.
What are the molecular formula and molecular weight of N-Methyl-N-(trimethylsilyl)trifluoroacetamide?
N-Methyl-N-(trimethylsilyl)trifluoroacetamide has molecular formula C6H12F3NOSi and molecular weight 199.246 g/mol.
Is N-Methyl-N-(trimethylsilyl)trifluoroacetamide hazardous?
N-Methyl-N-(trimethylsilyl)trifluoroacetamide has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of N-Methyl-N-(trimethylsilyl)trifluoroacetamide?
For N-Methyl-N-(trimethylsilyl)trifluoroacetamide, Downstream Products: N-Methyl-2,2,2-trifluoroacetamide, Methyl 3-((trimethylsilyl)oxy)-2-butenoate, 4-(Trimethylsilyloxy)benzaldehyde.
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-Methyl-N-(trimethylsilyl)trifluoroacetamide (CAS 24589-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44727-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.