Triethylamine trihydrofluoride
Synonym(s):Hydrogen fluoride triethylamine;TREAT-HF;Triethylamine trishydrofluoride
- CAS NO.：73602-61-6
- Empirical Formula: C6H18F3N
- Molecular Weight: 161.21
- MDL number: MFCD00043294
- EINECS: 277-550-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:42:07
What is Triethylamine trihydrofluoride?
Chemical properties
clear yellow liquid
The Uses of Triethylamine trihydrofluoride
Triethylamine trihydrofluoride acts as a mild and selective fluorinating agent used in the synthesis of acid fluorides and alkyl fluorides. It is also used in the synthesis of vicinal difluorides from epoxides, 3-fluoroazetidine. It is utilized as a selective reagent for the cleavage of O-silyl groups in carbohydrates, nucleotides and cyanohydrins. It is actively involved in the electrochemical fluorodeiodination of alkyl iodides and fluorodesilylation in beta-lactams.
The Uses of Triethylamine trihydrofluoride
Mild and selective reagent that has been used in the fluorination of a wide variety of compounds. For a review, see Aldrichimica Acta.
General Description
Triethylamine trihydrofluoride (TREAT-HF) is a mild and selective reagent for the fluorination of a wide variety of compounds.
Properties of Triethylamine trihydrofluoride
| Melting point: | -29--27°C |
| Boiling point: | 70 °C15 mm Hg(lit.) |
| Density | 0.989 g/mL at 25 °C(lit.) |
| refractive index | n |
| Flash point: | 190 °F |
| storage temp. | Store below +30°C. |
| solubility | soluble in Chloroform, Hexane |
| form | Liquid |
| Specific Gravity | 0.989 |
| color | Clear yellow to brown |
| PH | 3 (H2O, 20℃)(saturated aqueous solution) |
| Water Solubility | soluble |
| Sensitive | Hygroscopic |
| BRN | 5522945 |
| Exposure limits | ACGIH: TWA 2.5 mg/m3 NIOSH: IDLH 250 mg/m3 |
| CAS DataBase Reference | 73602-61-6(CAS DataBase Reference) |
| EPA Substance Registry System | Ethanamine, N,N-diethyl-, trihydrofluoride (73602-61-6) |
Safety information for Triethylamine trihydrofluoride
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Triethylamine trihydrofluoride
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