(Dichloromethylene)dimethylammonium chloride

(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 Structure
(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
ACROS English
SigmaAldrich English
ALFA English
(Dichloromethylene)dimethylammonium chloride Usage And Synthesis
Chemical Propertieslight yellow crystalline powder
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.
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.
UsesChlorinating agent; introduces amide chloride groups into activated substrates. Building block in organic synthesis.
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
Magnesium chloride Methylene Chloride (Chloromethylene)dimethyliminium chloride Calcium chloride Sodium chloride Zinc chloride Choline chloride PHOSGENE Ammonium chloride (Dichloromethylene)dimethylammonium chloride ESCHENMOSER'S SALT Dimethyl sulfoxide Oxalyl chloride Dichlorodimethylsilane Potassium chloride Thionyl chloride 2-​[[(2-​ethylphenyl)​(2-​hydroxyethyl)​amino]​methyl]​-​3,​3-​difluoro-Propanenitrile

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