DAST and Deoxo-Fluor

DAST

(Diethylaminosulfur Trifluoride)

 

Other Names:

N,N-Diethylaminosulfur trifluoride

(Diethylamino)sulfur trifluoride

Diethyl(trifluorosulfido)amine

Structure:

 

 

CAS Number: 38078-09-0

Molecular Weight: 161.19 g/mol

Appearance: Colorless oil

Boiling Point: 30-32 C at 3 mmHg

Density: 1.22 g/mL

 

Diethylaminosulfur trifluoride (DAST) is a nucleophilic fluorinating agent with wide use in organic chemistry. Deoxo-Fluor is more thermally stable alternative to DAST.

Deoxo-Fluor

[Bis(2-methoxyethyl)aminosulfur Trifluoride]

 

Structure:

 

 

CAS Number: 202289-38-1

Molecular Weight: 221.24 g/mol

Appearance: Clear yellow liquid

Density: 1.2 g/mL

 

Deoxo-Fluor is a nucleophilic fluorinating agent with wide use in organic chemistry. Deoxo-Fluor is more thermally stable than Diethylaminosulfur Trifluoride (DAST).