3-chlorobutan-2-one

Structural formula
General
Surname	3-chlorobutan-2-one
other names	1-acetyl-1-chloroethane 1-chloro-ethyl-methyl-ketone
Molecular formula	C 4 H 7 ClO
Brief description	clear, colorless to yellow liquid
External identifiers / databases
CAS number 4091-39-8 EC number 223-834-9 ECHA InfoCard 100,021,668 PubChem 20026 Wikidata Q1762235
properties
Molar mass	106.55 g mol −1
Physical state	liquid
density	1.055 g cm −3 (20 ° C)
Melting point	<−60 ° C
boiling point	129 ° C
Vapor pressure	27.1 hPa (20 ° C)
solubility	28.8 g l −1 (19 ° C) or 35.0 g l −1 (92 ° C)
Refractive index	1.4219
safety instructions
GHS labeling of hazardous substances Caution H and P phrases H: 226-302 P: no P-phrases
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

3-chlorobutan-2-one is a chlorinated ketone , it can be understood as a chlorinated and methylated derivative of acetone . 3-chlorobutan-2-one has a stereocenter, so that two enantiomers are present (R) and (S) .

presentation

3-chlorobutan-2-one can be obtained, for example, by chlorinating methyl vinyl ketone with hydrogen chloride:

Individual evidence

1. ↑ ^{a b c d e} data sheet 3-Chloro-2-butanone, 97% from Sigma-Aldrich , accessed on December 16, 2012 ( PDF ).
2. ↑ ^{a b c} David R. Lide (Ed.): CRC Handbook of Chemistry and Physics . 93rd edition. (Internet version: 2012), CRC Press / Taylor and Francis, Boca Raton, FL, Physical Constants of Organic Compounds, pp. 3-100. ( Google Books )
3. ↑ RM Stephenson: J. Chem. Eng. Data, 37, 80, 1992.
4. ↑ Joachim Buddrus: Fundamentals of organic chemistry . 2011, ISBN 978-3-11-024640-7 ( page 644 in the Google book search).