Diethylaminosulfur trifluoride supplier

Name
Diethylaminosulfur trifluoride
EINECS 253-771-2
CAS No. 38078-09-0
Article Data12
CAS DataBase
Density 1.14 g/cm³
Solubility decomposes in water
Melting Point
Formula C₄H₁₀F₃NS
Boiling Point 163.7 °C at 760 mmHg
Molecular Weight 161.191
Flash Point 23.9 °C
Transport Information UN 2920 8/PG 1
Appearance pale yellow liquid
Safety 16-26-36/37/39-45
Risk Codes 10-14-20/21/22-34-5-35
Molecular Structure
Hazard Symbols C,T,F
Synonyms Ethanamine,N-ethyl-, sulfur complex;(Diethylamino)sulphur trifluoride;(Diethylamino)trifluorosulfur;(N,N-Diethylamino)sulfur trifluoride;DAST (fluorinating agent);Trifluoro(diethylamino)sulfur;
PSA 28.54000
LogP 2.70130

Synthetic route

: 996-50-9
N,N-diethyl-1,1,1-trimethylsilanamine

: 38078-09-0
diethylamino-sulfur trifluoride

Conditions

Conditions	Yield
With sulfur tetrafluoride
With sulfur tetrafluoride In trichlorofluoromethane at -78 - -60℃;
With sulfur tetrafluoride In diethyl ether

: 80027-80-1
C9H13F10NOS

A: 1550-61-4
diethylamidosulfurous fluoride

B: 678-73-9
1,1,2,2,3,3,4,4,5-nonafluoropentane

C: 38078-09-0
diethylamino-sulfur trifluoride

D: 80032-41-3
2,2,3,3,4,4,5,5-octafluoropentyl diethylamidosulfite

E: 80027-87-8
bis(2,2,3,3,4,4,5,5-octafluoropentyloxy)diethylaminofluorosulfurane

Conditions

Conditions	Yield
under 0.05 - 0.08 Torr; Product distribution; the bath temperature gradually raised to 90 deg C;	A 1.12 g B 2.88 g C 1.6 g D 1.5 g E 3.05 g

...Expand

: 80027-80-1
C9H13F10NOS

A: 678-73-9
1,1,2,2,3,3,4,4,5-nonafluoropentane

B: 38078-09-0
diethylamino-sulfur trifluoride

C: 80032-41-3
2,2,3,3,4,4,5,5-octafluoropentyl diethylamidosulfite

D: 80027-87-8
bis(2,2,3,3,4,4,5,5-octafluoropentyloxy)diethylaminofluorosulfurane

Conditions

Conditions	Yield
under 0.05 - 0.08 Torr; the bath temperature gradually raised to 90 deg C; Further byproducts given;	A 2.88 g B 1.6 g C 1.5 g D 3.05 g

...Expand

: 80027-81-2
C11H13F14NOS

A: 1550-61-4
diethylamidosulfurous fluoride

B: 38078-09-0
diethylamino-sulfur trifluoride

C: 2708-11-4
1,1,2,2,3,3,4,4,5,5,6,6,7-tridecafluoroheptane

D: 80032-43-5
2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl diethylamidosulfite

E: 80027-88-9
bis(2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyloxy)diethylaminofluorosulfurane

Conditions

Conditions	Yield
under 0.05 - 0.08 Torr; Product distribution; the bath temperature gradually raised to 90 deg C;	A 0.5 g B 3 g C 4.45 g D 4.2 g E 4.8 g

...Expand

: 80027-81-2
C11H13F14NOS

A: 1550-61-4
diethylamidosulfurous fluoride

B: 38078-09-0
diethylamino-sulfur trifluoride

C: 80032-43-5
2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl diethylamidosulfite

D: 80027-88-9
bis(2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyloxy)diethylaminofluorosulfurane

Conditions

Conditions	Yield
under 0.05 - 0.08 Torr; the bath temperature gradually raised to 90 deg C; Further byproducts given;	A 0.5 g B 3 g C 4.2 g D 4.8 g

...Expand

: 80027-81-2
C11H13F14NOS

A: 38078-09-0
diethylamino-sulfur trifluoride

B: 2708-11-4
1,1,2,2,3,3,4,4,5,5,6,6,7-tridecafluoroheptane

C: 80032-43-5
2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl diethylamidosulfite

D: 80027-88-9
bis(2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyloxy)diethylaminofluorosulfurane

Conditions

Conditions	Yield
under 0.05 - 0.08 Torr; the bath temperature gradually raised to 90 deg C; Further byproducts given;	A 3 g B 4.45 g C 4.2 g D 4.8 g

...Expand

: 73602-61-6
triethylamine tris(hydrogen fluoride)

: ethanaminium,N-(difluoro-λ4-sulfanylidene)-N-ethyl-,tetrafluoroborate

A: 38078-09-0
diethylamino-sulfur trifluoride

B: C6H15N*2FH*H(1+)*BF4(1-)

Conditions

Conditions	Yield
In [D3]acetonitrile at 20℃; for 0.166667h; Inert atmosphere; Molecular sieve;

...Expand

: ethyl 5-bromo-6-formyl-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2-dihydropyridine-3-carboxylate

: 38078-09-0
diethylamino-sulfur trifluoride

: ethyl 5-bromo-6-(difluoromethyl)-2-oxo-1-[3-(trifluoromethyl)phenyl]-1,2-dihydropyridine-3-carboxylate

Conditions

Conditions	Yield
In dichloromethane	100%

: 38078-09-0
diethylamino-sulfur trifluoride

: 56002-71-2
trimethyl-(1H,1H,7H-dodecafluoroheptyloxy)silane

: 80027-81-2
C11H13F14NOS

Conditions

Conditions	Yield
In diethyl ether 1.) 0 deg C - 5 deg C, 10 min; 2.) 20 deg C, 30 min.;	99%

: 38078-09-0
diethylamino-sulfur trifluoride

: 56002-63-2
trimethyl-(1H,1H,5H-octafluoropentyloxy)silane

: 80027-80-1
C9H13F10NOS

Conditions

Conditions	Yield
In diethyl ether 1.) 0 deg C - 5 deg C, 10 min; 2.) 20 deg C, 30 min.;	99%

: 38078-09-0
diethylamino-sulfur trifluoride

: 4-fluoro-7-methylsulfinyl-indan-1-one

: 4-fluoro-7-(fluoromethylsulfanyl)indan-1-one

Conditions

Conditions	Yield
With antimony(III) chloride In dichloromethane at 20℃; for 3h; Cooling with ice;	99%

: 38078-09-0
diethylamino-sulfur trifluoride

: (S)-tert-butyl 3-((4-(2-((5-((2-(hydroxymethyl)phenyl)methylsulfonamido)-2-methylnaphthalen-1-yl)oxy)pyridin-3-yl)pyrimidin-2-yl)amino)piperidine-1-carboxylate

: (S)-tert-butyl 3-((4-(2-((5-((2-(fluoromethyl)phenyl)methylsulfonamido)-2-methylnaphthalen-1-yl)oxy)pyridin-3-yl)pyrimidin-2-yl)amino)piperidine-1-carboxylate

Conditions

Conditions	Yield
In 4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran at -78℃; for 0.5h;	99%

: 38078-09-0
diethylamino-sulfur trifluoride

: ethyl 2-(2-bromophenyl)-2-hydroxyacetate

: 1214911-36-0
ethyl 2-bromophenyl-fluoroacetate

Conditions

Conditions	Yield
In dichloromethane at -78 - 20℃; Inert atmosphere;	98%

: 38078-09-0
diethylamino-sulfur trifluoride

: ethanaminium,N-(difluoro-λ4-sulfanylidene)-N-ethyl-,tetrafluoroborate

Conditions

Conditions	Yield
With tetrafluoroboric acid; diethyl ether at 20 - 30℃; Inert atmosphere;	96%
With tetrafluoroboric acid diethyl ether In diethyl ether at 20 - 30℃; for 0.833333h; Product distribution / selectivity; Inert atmosphere;	96%
With boron trifluoride diethyl etherate In diethyl ether at 5 - 20℃; Inert atmosphere;	92%

: 38078-09-0
diethylamino-sulfur trifluoride

: 5-(2,3-dichloroindol-1-yl)-4-methoxy-1-methyl-6-oxo-pyridazine-3-carbaldehyde

: 4-(2,3-dichloroindol-1-yl)-6-(difluoromethyl)-5-methoxy-2-methyl-pyridazin-3-one

Conditions

Conditions	Yield
In dichloromethane	96%

: 38078-09-0
diethylamino-sulfur trifluoride

: 81290-20-2
(trifluoromethyl)trimethylsilane

: 70-55-3
toluene-4-sulfonamide

: N-[(diethylamino)(trifluoromethyl)-λ4-sulfanylidene]-4-methylbenzenesulfonamide

Conditions

Conditions	Yield
Stage #1: diethylamino-sulfur trifluoride; (trifluoromethyl)trimethylsilane With N-ethyl-N,N-diisopropylamine In dichloromethane at -20℃; for 1h; Inert atmosphere; Stage #2: toluene-4-sulfonamide In dichloromethane at 0 - 20℃; Inert atmosphere;	95%

...Expand

: 421-85-2
Trifluoromethanesulfonamide

: 38078-09-0
diethylamino-sulfur trifluoride

: 81290-20-2
(trifluoromethyl)trimethylsilane

: N-[(diethylamino)(trifluoromethyl)-λ4-sulfanylidene]-1,1,1-trifluoromethanesulfonamide

Conditions

Conditions	Yield
Stage #1: diethylamino-sulfur trifluoride; (trifluoromethyl)trimethylsilane With N-ethyl-N,N-diisopropylamine In dichloromethane at -20℃; for 1h; Inert atmosphere; Stage #2: Trifluoromethanesulfonamide In dichloromethane at 0 - 20℃; Inert atmosphere;	94%

...Expand

: Mn4O3(O2CCH3)4(C6H5COCHCOC6H5)3

: 38078-09-0
diethylamino-sulfur trifluoride

: Mn4O3F(CH3COO)3(C6H5COCHCOC6H5)3

Conditions

Conditions	Yield
In dichloromethane pptn. (hexanes); elem. anal.;	93%

: 38078-09-0
diethylamino-sulfur trifluoride

: 5333-27-7
1-(4-methyl-3-nitro-phenyl)-ethanone

: 4-(1,1-difluoro)ethyl-2-nitrotoluene

Conditions

Conditions	Yield
In dichloromethane at -40 - 60℃; for 24h; Inert atmosphere;	93%

: 38078-09-0
diethylamino-sulfur trifluoride

: 109-63-7
boron trifluoride diethyl etherate

: ethanaminium,N-(difluoro-λ4-sulfanylidene)-N-ethyl-,tetrafluoroborate

Conditions

Conditions	Yield
In diethyl ether at 20 - 30℃; Inert atmosphere; Heating; Reflux;	89%

: 38078-09-0
diethylamino-sulfur trifluoride

: 1679-18-1
4-Chlorophenylboronic acid

: 1017238-74-2
N-(4-chlorophenylsulfinyl)-N,N-diethylamine

Conditions

Conditions	Yield
In dichloromethane at 20℃; for 0.0833333h; Schlenk technique;	88%

: 52762-36-4
3-Oxo-2,3,4,5,6,7-tetrahydrobenzofuran

: 38078-09-0
diethylamino-sulfur trifluoride

: 144104-37-0
2-(N,N-Diethyl-aminosulfanyl)-2-fluoro-4,5,6,7-tetrahydro-benzofuran-3-one

Conditions

Conditions	Yield
	87%

Diethylaminosulfur trifluoride Chemical Properties

The molecular structure of Diethylaminosulfur trifluoride (CAS NO.38078-09-0) is

IUPAC Name: N-ethyl-N-(trifluoro-λ4-sulfanyl)ethanamine
Molecular Formula: C₄H₁₀F₃NS
Molecular Weight: 161.18g/mol
EINECS: 253-771-2
Liansport Information: UN 2920 8/PG 1
Appearance: colourless oil
Density: 1.14 g/cm³
Boiling Point: 163.7 °C at 760 mmHg
Flash Point: 23.9 °C
Solubility: reacts violently with water
Storage Temperature: 2-8°C
Freely Rotating Bonds: 3
Polar Surface Area: 3.24 Å²
Index of Refraction: 1.376
Molar Refractivity: 32.22 cm³
Molar Volume: 140.1 cm³
Surface Tension: 20.4 dyne/cm
Enthalpy of Vaporization: 40.02 kJ/mol
Vapour Pressure: 2.04 mmHg at 25°C
Product Categories: Inorganic Fluorides ; Biochemistry ; Fluorinating Reagents ; Fluorinating Reagents & Building Blocks for Fluorinated Biochemical Compounds ; Fluorination ; Halogenation ; Nucleophilic Fluorinating Reagents ; Reagents for Oligosaccharide Synthesis ; Synthetic Organic Chemistry
Diethylaminosulfur trifluoride, its CAS NO. is 38078-09-0. The chemical synonyms of Diethylaminosulfur trifluoride (CAS NO.38078-09-0) are (Beta-4)-sulfu ; (Diethylamino)trifluorosulfur ; (Diethylethan-aminato)trifluorosulfur ; (N,N-Diethylamino)sulfurtrifluoride ; (N-ethylethanaminato)-trifluorosulfur ; Diethylamino-schwefeltrifluorid ; Diethylaminotrifluorosulfur ; Ethanamine,N-ethyl-,sulfurcomplex .

Diethylaminosulfur trifluoride Uses

Diethylaminosulfur trifluoride (CAS NO.38078-09-0) can be used in organic synthesis.

Diethylaminosulfur trifluoride Safety Profile

Decomposes violently above 90°C. Decomposes explosively on contact with water. When heated to decomposition it emits toxic fumes of F⁻, SO_x, and NO_x. See also FLUORIDES.
Hazard Codes: C,T Toxic ,F
C: Corrosive
T: Toxic
F: Highly Flammable
Risk Statements: 10-14-20/21/22-34-5-35
5: Heating may cause an explosion
10: Flammable
14: Reacts violently with water
34: Causes burns
35: Causes severe burns
20/21/22: Harmful by inhalation, in contact with skin and if swallowed
Safety Statements: 16-26-36/37/39-45
16: Keep away from sources of ignition - No smoking
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
F 3-10-21
HazardClass: 8

Product Name

Diethylaminosulfur trifluoride

Synthetic route

Diethylaminosulfur trifluoride Chemical Properties

Diethylaminosulfur trifluoride Uses

Diethylaminosulfur trifluoride Safety Profile

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