(Dichloromethylene)dimethylammonium chloride

(Dichloromethylene)dimethylammonium chloride
  • CAS No.:33842-02-3
Other grades of this product :
(Dichloromethylene)dimethylammonium chloride Basic information
Product Name:(Dichloromethylene)dimethylammonium chloride
Synonyms:PHOSGENE IMINIUM CHLORIDE;PHOSGENIMINIUM CHLORIDE;(DICHLOROMETHYLENE)DIMETHYLAMMONIUM CHLORIDE;DICHLOROMETHYLENEDIMETHYLIMINIUM CHLORIDE;n,n-dimethylphosgeniminium chloride;VIEHE''SSALT;(Dichloromethylene)dimethylammonium chloride, Phosgeniminium chloride, Vilsmeier reagent;N,N-Dimethylphosgeniminium chloride~Phosgeniminium chloride~Viehes Salt
CAS:33842-02-3
MF:C3H6Cl2N.Cl
MW:162.45
EINECS:251-695-4
Product Categories:Ammonium Chlorides (Quaternary);Quaternary Ammonium Compounds
Mol File:33842-02-3.mol
(Dichloromethylene)dimethylammonium chloride Chemical Properties
Melting point 183-187 °C (dec.) (lit.)
Boiling point 267.81°C (rough estimate)
density 1.6902 (rough estimate)
refractive index 1.6300 (estimate)
storage temp. 2-8°C
solubility slightly sol. in Chloroform
form Crystalline Powder
color Light yellow
Water Solubility hydrolysis
Sensitive Moisture Sensitive
Merck 14,9977
BRN 4157987
CAS DataBase Reference33842-02-3(CAS DataBase Reference)
Safety Information
Hazard Codes C
Risk Statements 14-34-37-29-22
Safety Statements 26-36/37/39-45-8
RIDADR UN 3261 8/PG 3
WGK Germany 3
3-10-21
HazardClass 8
PackingGroup III
HS Code 29252900
MSDS Information
ProviderLanguage
SigmaAldrich English
ACROS English
ALFA English
(Dichloromethylene)dimethylammonium chloride Usage And Synthesis
Chemical Propertieslight yellow crystalline powder
UsesChlorinating agent; introduces amide chloride groups into activated substrates. Building block in organic synthesis.
UsesDichloromethylene-dimethyliminium Chloride is a useful chemical reagent. It has been used in the synthesis of 12-deoxychlorovulone II analogs via chloride nucleophilic substitution reaction catalyzed by Viehe''s salt.
UsesDichloromethylene-dimethyliminium chloride was used as reagent in the synthesis of selenourea and (R)-2-(2-chloroethyl)pyrrolidine-1-carboxylic acid ethyl ester. It was used for introducing amide chloride group into activated substrates.
General DescriptionDichloromethylene-dimethyliminium chloride (Vilsmeier reagent) reacts with o-acetaminophenols under Meth-Cohn conditions to yield 2-formylpyrido[2,1-b]benzoxazoles.
(Dichloromethylene)dimethylammonium chloride Preparation Products And Raw materials

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