31942

(Diethylamino)schwefeltrifluorid

technical, packed in PTFE bottles, ≥90% (NMR)

• Synonym(e): DAST
• Lineare Formel: (C₂H₅)₂NSF₃
• CAS-Nummer: 38078-09-0
• Molekulargewicht: 161.19
• Beilstein: 1849066
• EG-Nummer: 253-771-2
• MDL-Nummer: MFCD00000363
• UNSPSC-Code: 12352101
• PubChem Substanz-ID: 57648628
• NACRES: NA.22

Eigenschaften

• Qualität: technical; packed in PTFE bottles
• Assay: ≥90% (NMR)
• bp: 30-32 °C/3 mmHg (lit.)
• Dichte: 1.22 g/mL at 25 °C (lit.)
• Lagertemp.: 2-8°C
• SMILES String: CCN(CC)S(F)(F)F
• InChI: 1S/C4H10F3NS/c1-3-8(4-2)9(5,6)7/h3-4H2,1-2H3
• InChIKey: CSJLBAMHHLJAAS-UHFFFAOYSA-N

Beschreibung

Anwendung

• Fluorinating agent: reaction with alcohols and carbonyl compounds, Review
• Review on nucleophilic fluorination.
• Catalyst for Friedel-Crafts allylation using tertiary cyclopropyl silyl ethers and the rearrangement of homoallylic alcohols to unsaturated aldehydes.
• Early introduction of a fluoromethyl group stabilizes the epoxide during further manipulations in the synthesis of 26-fluoro-epothilone.
• Fluorinating agent for a variety of compounds, including thioethers, alkenols, and cyanohydrins.
• Reagent for gem difluorination of ketopipecolinic acids.

Sicherheitshinweise

• Piktogramme: GHS02,GHS05
• Signalwort: Danger
• H-Sätze: H226,H242,H314
• P-Sätze: P210 - P280 - P303 + P361 + P353 - P305 + P351 + P338 - P370 + P378 - P403 + P235
• Gefahreneinstufungen: Eye Dam. 1 - Flam. Liq. 3 - Self-react. D - Skin Corr. 1A
• Zusätzliche Gefahrenhinweise: EUH014
• Lagerklassenschlüssel: 5.2 - Organic peroxides and self-reacting hazardous materials
• WGK: WGK 3
• Flammpunkt (°F): 73.4 °F
• Flammpunkt (°C): 23 °C
• Persönliche Schutzausrüstung: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter