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HomeProduct name list(Dichloromethylene)dimethylammonium chloride

(Dichloromethylene)dimethylammonium chloride

Synonym(s):(Dichloromethylene)dimethylammonium chloride;Phosgeniminium chloride;Vilsmeier reagent

  • CAS NO.:33842-02-3
  • Empirical Formula: C3H6Cl2N.Cl
  • Molecular Weight: 162.45
  • MDL number: MFCD00011870
  • EINECS: 251-695-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
(Dichloromethylene)dimethylammonium chloride Structural

What is (Dichloromethylene)dimethylammonium chloride?

Chemical properties

light yellow crystalline powder

The Uses of (Dichloromethylene)dimethylammonium chloride

Chlorinating agent; introduces amide chloride groups into activated substrates. Building block in organic synthesis.

The Uses of (Dichloromethylene)dimethylammonium chloride

Dichloromethylene-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.

The Uses of (Dichloromethylene)dimethylammonium chloride

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.

General Description

Dichloromethylene-dimethyliminium chloride (Vilsmeier reagent) reacts with o-acetaminophenols under Meth-Cohn conditions to yield 2-formylpyrido[2,1-b]benzoxazoles.

Properties of (Dichloromethylene)dimethylammonium chloride

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 Reference 33842-02-3(CAS DataBase Reference)

Safety information for (Dichloromethylene)dimethylammonium chloride

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Exclamation Mark
Irritant
GHS07
GHS Hazard Statements H290:Corrosive to Metals
H314:Skin corrosion/irritation
H318:Serious eye damage/eye irritation
H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes P234:Keep only in original container.
P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P310:Immediately call a POISON CENTER or doctor/physician.
P390:Absorb spillage to prevent material damage.
P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405:Store locked up.
P406:Store in corrosive resistant/… container with a resistant inner liner.
P501:Dispose of contents/container to..…

Computed Descriptors for (Dichloromethylene)dimethylammonium chloride

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