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Diethylaminosulfur trifluoride information


Diethylaminosulfur trifluoride[1]
Names
Preferred IUPAC name
N,N-Diethyl-S,S,S-trifluoro-λ4-sulfanamine
Other names
diethyl(trifluorosulfido)amine
Identifiers
CAS Number
  • 38078-09-0 checkY
3D model (JSmol)
  • Interactive image
  • Interactive image
Abbreviations DAST
ChemSpider
  • 110068 ☒N
ECHA InfoCard 100.048.866 Edit this at Wikidata
EC Number
  • 253-771-2
PubChem CID
  • 123472
UNII
  • 78622BV6IJ
CompTox Dashboard (EPA)
  • DTXSID20191484 Edit this at Wikidata
InChI
  • InChI=1S/3C4H12NS.3FH/c3*1-3-6(5)4-2;;;/h3*3-5H2,1-2H3;3*1H/q3*+1;;;/p-3 checkY
    Key: OJRFYRBETDFODT-UHFFFAOYSA-K checkY
  • InChI=1/3C4H12NS.3FH/c3*1-3-6(5)4-2;;;/h3*3-5H2,1-2H3;3*1H/q3*+1;;;/p-3
    Key: OJRFYRBETDFODT-DFZHHIFOAR
SMILES
  • FS(F)(F)N(CC)CC
  • [F-].[F-].[F-].N[S+](CC)CC.CC[S+](N)CC.CC[S+](N)CC
Properties
Chemical formula
 C4H10F3NS
Molar mass 161.19 g·mol−1
Appearance colourless oil
Density 1.220 g/cm3
Boiling point 30 to 32 °C (86 to 90 °F; 303 to 305 K) at 3 mmHg
Solubility in water
 Reacts with water
Solubility reacts with ethanol
soluble[vague] in acetonitrile
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 corrosive, flammable, can be explosive
GHS labelling:
Pictograms
 GHS02: FlammableGHS05: CorrosiveGHS07: Exclamation mark
Signal word
 Danger
Hazard statements
 H226, H302, H312, H314, H332
Precautionary statements
 P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P280, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P322, P330, P363, P370+P378, P403+P235, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Diethylaminosulfur trifluoride (DAST) is the organosulfur compound with the formula Et2NSF3. This liquid is a fluorinating reagent used for the synthesis of organofluorine compounds.[1] The compound is colourless; older samples assume an orange colour.

  1. ^ a b Fauq, Abdul H.; Singh, Rajendra P.; Meshri, Dayal T. (2006). "Diethylaminosulfurtrifluoride". Encyclopedia of Reagents for Organic Synthesis. doi:10.1002/047084289X.rd175.pub2. ISBN 0-471-93623-5.

and 13 Related for: Diethylaminosulfur trifluoride information

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Diethylaminosulfur trifluoride

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Diethylaminosulfur trifluoride (DAST) is the organosulfur compound with the formula Et2NSF3. This liquid is a fluorinating reagent used for the synthesis...

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Trifluoride

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CeF3 Chlorine trifluoride, ClF3 Chromium trifluoride, CrF3 Cobalt trifluoride, CoF3 Curium trifluoride, CmF3 Diethylaminosulfur trifluoride (DAST) is the...

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Beckmann rearrangement

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this reaction is intercepted by nucleophilic fluoride from diethylaminosulfur trifluoride (DAST): The oxime of cyclohexenone with acid forms aniline in...

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Sulfur tetrafluoride

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SF4 has been superseded by the safer and more easily handled diethylaminosulfur trifluoride, (C2H5)2NSF3, "DAST": This reagent is prepared from SF4: SF4...

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Fluorination by sulfur tetrafluoride

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specialized apparatus. Thus, for many laboratory scale fluorinations diethylaminosulfur trifluoride ("DAST") is used instead. Carboxylic acids, amides, esters,...

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Trimethylsilyl group

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Tetramethylsilane Trimethylsilyl fluoride is a byproduct in preparing diethylaminosulfur trifluoride (DAST) from sulfur tetrafluoride: Et2NSiMe3 + SF4 → Et2NSF3...

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Olah reagent

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fluoride, several other fluorinating agents can be used, such as diethylaminosulfur trifluoride (DAST). Ishikawa reagent Organofluoride C. G. Bergstrom et al...

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Potassium peroxymonosulfate

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Donald P.; P. Paolini, John (1995). "Reaction of Sulfoxides with Diethylaminosulfur Trifluoride". Organic Syntheses. 72: 209. doi:10.15227/orgsyn.072.0209....

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Diethylamine

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15227/orgsyn.014.0028. W. J. Middleton, E. M. Bingham (1977). "Diethylaminosulfur Trifluoride". Organic Syntheses. 57: 50. doi:10.15227/orgsyn.057.0050. Felix...

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Fluorination with aminosulfuranes

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functionality into organofluorides. Prior to the introduction of diethylaminosulfur trifluoride (DAST) in 1970 for the replacement of hydroxyl groups with fluoride...

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Organofluorine chemistry

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RCF3 + SO2 + HF A more convenient alternative to SF4 is the diethylaminosulfur trifluoride, which is a liquid whereas SF4 is a corrosive gas: C6H5CHO +...

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DAST

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DAST may refer to: Diethylaminosulfur trifluoride, an organosulfur compound Draw-a-Scientist Test, designed to investigate children's perceptions of the...

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List of compounds with carbon number 4

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methylphosphonofluoridate 763-14-4 C4H10FO2P sarin 107-44-8 C4H10F3NS diethylaminosulfur trifluoride 38078-09-0 C4H10NO3PS acephate 30560-19-1 C4H10N2 diethyldiazene...

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