Atomistry » Carbon » Chemical Properties » Carbon Subsulphide
Atomistry »
  Carbon »
    Chemical Properties »
      Carbon Subsulphide »

Carbon Subsulphide, C3S2

By passing the vapour of carbon disulphide over an electric arc with carbon poles, Lengyel obtained a deep red, tear-exciting liquid which appeared to be C3S2. When heated under reduced pressure this liquid partly distilled, and was partly converted into a black, solid polymer. With bromine it formed C3S2Br6, a yellow solid with an aromatic smell.

Carbon subsulphide has more recently been obtained by Stock and Praetorius, who found that the best way to prepare it was to strike an arc between a carbon cathode and an anode consisting of antimony containing 7 per cent, of carbon placed beneath the surface of liquid carbon disulphide. The subsulphide dissolves in the disulphide as it is formed, producing a red solution, and when separated and distilled in a vacuum and condensed in a receiver at -40° C. forms a yellowish-red solid whose melting-point is -0.5° C. At ordinary temperature it is a bright red, strongly refractive liquid; it has a vapour density and a molecular weight in carbon disulphide solution corresponding to the formula C3S2, and polymerises at 90° C. With aniline it forms thiomalonanilide; it therefore bears the same relation to thiomalonic acid that carbon suboxide bears to malonic acid; consequently the constitutional formula S:C:C:C:S is attributed to this compound.

Last articles

Zn in 8WB0
Zn in 8WAX
Zn in 8WAU
Zn in 8WAZ
Zn in 8WAY
Zn in 8WAV
Zn in 8WAW
Zn in 8WAT
Zn in 8W7M
Zn in 8WD3
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy