Chemical elements
    Amorphous Sulphur
    Colloidal Sulphur
    Physical Properties
    Chemical Properties
      Hydrogen Sulphide
      Metal Polysulphides
      Hydrogen Polysulphides
      Hydrogen Pentasulphide
      Hydrogen Trisulphide
      Hydrogen Disulphide
      Sulphur Monofluoride
      Sulphur Tetrafluoride
      Sulphur Hexafluoride
      Sulphur Monochloride
      Sulphur Dichloride
      Sulphur Tetrachloride
      Sulphur Monobromide
      Thionyl Fluoride
      Sulphuryl Fluoride
      Fluorosulphonic Acid
      Thionyl Chloride
      Sulphuryl Chloride
      Sulphur Oxytetrachloride
      Pyrosulphuryl Chloride
      Chlorosulphonic Acid
      Thionyl Bromide
      Sodium Sulphoxylate
      Sulphur Dioxide
      Sulphurous Acid
      Sulphur Trioxide
      Pyrosulphuric Acid
      Sulphuric Acid
      Persulphuric Anhydride
      Persulphuric Acid or Perdisulphuric Acid
      Permonosulphuric Acid
      Amidopermonosulphuric Acid
      Thiosulphuric Acid
      Polythionic Acids
      Dithionic Acid
      Trithionic Acid
      Tetrathionic Acid
      Pentathionic Acid
      Wackenroders Solution
      Hexathionic Acid
      Polythionic Acids
      Sulphur Sesquioxide
      Hydrosulphurous Acid
      Nitrogen Sulphide
      Nitrogen Persulphide
      Nitrogen Pentasulphide
      Nitrogen Chlorosulphide
      Trithiazyl Chloride
      Thiotrithiazyl Chloride
      Dithiotetrathiazyl Chloride
      Nitrogen Bromosulphide
      Thiotrithiazyl Bromide
      Thiotrithiazyl Iodide
      Thiotrithiazyl Nitrate
      Thiotrithiazyl Hydrogen Sulphate
      Thiotrithiazyl Thiocyanate
      Sulphonic Acids
      Amidosulphonic Acid
      Imidosulphonic Acid
      Nitrilosulphonic Acid
      Hydroxylamine-monosulphonic Acid
      Nitrososulphonic Acid
      Hydroxylamine-disulphonic Acid
      Hydroxylamine-isodisulphonic Acid
      Hydroxylamine-trisulphonic Acid
      Dihydroxylamidosulphonic Acid
      Sulphazinic Acid
      Sulphazotinic Acid
      Dehydrosulphazotinic Acid
      Nitrosulphonic Acid
      Nitrosulphonyl Chloride
      Nitrosulphonic Anhydride
      Nitrosulphuric Acid
      Nitrosodisulphonic Acid
      Sulphonitronic Acid
      Sulphates of Hydroxylamine
      Hydroxylamine Dithionate
      Hydrazine Dithionate
      Hydrazine Amidosulphonate
      Carbon Subsulphide
      Carbon Monosulphide
      Carbon Disulphide
      Thiocarbonic Acid
      Ammonium thiocarbonate
      Thiolcarbonic Acid
      Xanthic Acid
      Perthiocarbonic Acid
      Sodium perthiocarbonate
      Carbonyl Sulphide
      Thiocarbonyl Chloride
      Thiocarbonyl Tetrachloride or
      Carbon Hexachlorosulphide
      Trichloromethyl Disulphide
      Thiocarbonyl Sulphochloride
      Carbon Bromosulphide
      Amino-derivatives of Thiocarbonic Acid
      Dithiocarbamic Acid
      Azidodithiocarbonic Acid
      Cyanogen Monosulphide
      Cyanogen Trisulphide
      Sulphur Thiocyanate
      Disulphur Dithiocyanate
      Thiocyanic Acid
      Dithiocyanic Acid
      Trithiocyanuric Acid
      Perthiocyanic Acid

Dithiotetrathiazyl Chloride, N4S6Cl2

Dithiotetrathiazyl Chloride, N4S6Cl2, may be prepared by the action of nitrogen sulphide, N4S4, on sulphur monochloride in the cold. It is deposited as a black, crystalline solid, which on heating decomposes thus:

3N4S6Cl2 = S2Cl2 + 4N3S4Cl. Crystals of dithiotetrathiazyl chloride make a crimson mark on paper.

By the action of nitrogen sulphide, N4S4, on a chloroform solution of nitrogen chlorosulphide, N4S4Cl2, a copper-coloured compound is obtained, possibly of composition N3S3Cl. This compound is less soluble in chloroform than nitrogen chlorosulphide and does not change so readily. It decomposes with a feeble explosion when strongly heated.

Nitrogen sulphide, N4S4, forms various compounds with "sulphur dichloride" when the two are mixed in carbon disulphide solution. In the presence of excess of "sulphur dichloride" the product is thiodithiazyl dichloride, N2S3Cl2 or N4S4.2SCl2. This compound has also been prepared by the union of " sulphur dichloride " with thiotrithiazyl chloride. Thiodithiazyl dichloride forms yellow crystals which decompose in air, losing a part of their sulphur chloride and becoming reddish-black in colour. With concentrated sulphuric acid, hydrogen chloride is liberated and a red solution is formed. Water acts on the dichloride with formation of a black compound of composition N2S3O3. Chlorine reacts with formation of nitrogen chlorosulphide, N4S4Cl2. At 100° C. thiodithiazyl dichloride decomposes with evolution of chlorine and nitrogen chlorosulphide. The residue consists of thiotrithiazyl chloride.

A red compound of composition N4S4.SCl2 is also obtained by the interaction of "sulphur dichloride" and nitrogen sulphide in carbon disulphide solution, and consequently it is formed during the preparation of nitrogen sulphide by the action of ammonia on the dichloride in carbon disulphide. It decomposes at 100° C., forming the compound 3N4S4.2SCl2, which substance is also obtained when excess of nitrogen sulphide is added to " sulphur dichloride." 3N4S4.2SCl2 is a yellow powder, which is slightly soluble in carbon disulphide and yields a blue substance with water. A fleeting violet coloration is produced by the action of alcoholic potash.

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