(Dichloromethyl) methyl ether

Structural formula
General
Surname	(Dichloromethyl) methyl ether
other names	1,1-dichlorodimethyl ether Dichloromethoxymethane
Molecular formula	C 2 H 4 Cl 2 O
Brief description	flammable colorless liquid with a pungent odor
External identifiers / databases
CAS number 4885-02-3 EC number 225-498-9 ECHA InfoCard 100.023.180 PubChem 21004 Wikidata Q158543
properties
Molar mass	114.96 g mol −1
Physical state	liquid
density	1.294 g cm −3
boiling point	85-87 ° C
Vapor pressure	84 mbar (20 ° C)
solubility	decomposes in water
Refractive index	1.43 (at 20 ° C, 589 nm)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 225-302 + 332-314 P: 210-280-305 + 351 + 338-310
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

(Dichloromethyl) methyl ether is a chemical compound from the group of ethers and organic chlorine compounds .

properties

(Dichloromethyl) methyl ether is a flammable colorless liquid with a pungent odor that decomposes in water. Your aqueous solution is acidic.

use

(Dichloromethyl) methyl ether is used for the formylation of aromatic compounds ( smell formylation ) and as a chlorinating agent in the formation of acyl chlorides .

safety instructions

The vapors of (dichloromethyl) methyl ether can form an explosive mixture with air ( flash point 42 ° C).

Individual evidence

1. ↑ ^{a b c d e f g h i} Entry on (dichloromethyl) methyl ether in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
2. ↑ Data sheet (dichloromethyl) methyl ether (PDF) from Merck , accessed on October 24, 2011.
3. ↑ Harry CJ Ottenheijm and Marianne W. Tijhuis: Acid Chlorides from α-Keto Acids with α, α-Dichloromethyl Methyl Ether: Pyruvol Chloride In: Organic Syntheses . 61, 1983, p. 1, doi : 10.15227 / orgsyn.061.0001 ; Coll. Vol. 7, 1990, p. 467 ( PDF ).