1,5-dichloropentane

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Structural formula
Structural formula of 1,5-dichloropentane
General
Surname 1,5-dichloropentane
other names

Pentamethylene dichloride

Molecular formula C 5 H 10 Cl 2
Brief description

colorless liquid

External identifiers / databases
CAS number 628-76-2
EC number 211-053-6
ECHA InfoCard 100.010.049
PubChem 12353
Wikidata Q27265185
properties
Molar mass 141.04 g mol −1
Physical state

liquid

density

1.106 g cm −3

Melting point

−72 ° C

boiling point

180 ° C

Vapor pressure

1.5 hPa (25 ° C)

solubility
  • very sparingly soluble in water (0.125 g l −1 at 25 ° C)
  • miscible with ethanol, ether and chloroform
Refractive index

1.4570 (20 ° C)

safety instructions
GHS labeling of hazardous substances
02 - Highly / extremely flammable

Caution

H and P phrases H: 226
P: 210
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

1,5-dichloropentane is a chemical compound from the group of aliphatic , saturated halogenated hydrocarbons .

Extraction and presentation

1,5-dichloropentane can be obtained by reacting 1-benzoylpiperidine with phosphorus pentachloride . The compound can also be prepared by reacting 1,5-pentanediol with hydrochloric acid at 170 ° C and high pressure.

properties

1,5-dichloropentane is a colorless liquid that is very sparingly soluble in water.

use

1,5-dichloropentane is used to produce thiane by reacting with sodium sulfide .

safety instructions

The vapors of 1,5-dichloropentane can form an explosive mixture with air ( flash point 26 ° C).

Individual evidence

  1. ↑ a b c d e f g h i j k Entry on 1,5-dichloropentane in the GESTIS substance database of the IFA , accessed on October 29, 2018(JavaScript required) .
  2. ↑ a b c data sheet 1,5-dichloropentane, 98% from AlfaAesar, accessed on October 29, 2018 ( PDF )(JavaScript required) .
  3. ↑ Julius Schmidt: Synthetic-organic chemistry of the modern age . Springer-Verlag, 2013, ISBN 978-3-663-04315-7 , pp. 321 ( limited preview in Google Book search).
  4. ↑ John Kenneth Stille, Tod W. Campbell: Condensation monomers . Wiley-Interscience, 1972, ISBN 978-0-471-39370-2 , pp. 197 ( limited preview in Google Book search).