162876
Dichloromethylene-dimethyliminium chloride
technical grade
Synonym(s):
(Dichloromethylene)dimethylammonium chloride, Phosgeniminium chloride, Vilsmeier reagent
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About This Item
Linear Formula:
[Cl2C=N(CH3)2]+Cl-
CAS Number:
Molecular Weight:
162.45
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
251-695-4
Beilstein/REAXYS Number:
4157987
MDL number:
grade
technical grade
mp
183-187 °C (dec.) (lit.)
storage temp.
2-8°C
SMILES string
[Cl-].C\[N+](C)=C(\Cl)Cl
InChI
1S/C3H6Cl2N.ClH/c1-6(2)3(4)5;/h1-2H3;1H/q+1;/p-1
InChI key
NRNFKRFWZQQDMD-UHFFFAOYSA-M
General description
Dichloromethylene-dimethyliminium chloride (Vilsmeier reagent) reacts with o-acetaminophenols under Meth-Cohn conditions to yield 2-formylpyrido[2,1-b]benzoxazoles.
Application
Dichloromethylene-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.
signalword
Danger
hcodes
Hazard Classifications
Skin Corr. 1B - STOT SE 3
target_organs
Respiratory system
supp_hazards
Storage Class
8A - Combustible corrosive hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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