Project Report on Sodium Lauryl Sulphate And Sodium Lauryl Ether Sulfate [EIRI-1557]

The sodium  salts  are familiar as  pastes  with  about  30 percent  of  active material as dried  extruded  material,  dried flakes  or  tray-dried  powder all of  high concentration.  For special purposes as for examples as a foaming agent and detergent in tooth-pastes free, unsulphated alcohol is undesirable because of  the  flavour it imparts. For same exceptional cases sodium sulphate is unwanted.  Sodium sulphate can be eliminated by dissolving out the sodium lauryl sulphate with hot ethyl alcohol or isopropyl   alcohol. These  solvents  also  take  the   free unsulphated  alcohol into solution and after evaporating off  the solvent  a final extraction with acetone will dissolve  the  free alcohol and leave purified alkyl sulphate as the residue. Some laury sulphate is described as a mixture of normal primary   alkyl   sulphates chiefly sodium   lauryl   sulphate, containing not less than 58% w/w of total alcohols. It  is  very soluble  in  water  in which it forms  turbid  solutions,  partly soluble  in  95%  per cent alcohol, sodium  chloride  and  soidum sulphate together not  less  than 10%  w/w  when  estimated  by specified methods of analysis, unsulphated alcohol when estimated by a specified method not more than 4 per cent w/w. Sodium lauryl sulphate (CH3(CH2)10.CH2OSO3Na) mainly used as a  surfactant  and  foaming  agent, find  use  in  dental  creams shampoos and cosmetic emulsions in general now it is manufactured through synthetic as well as natural lauryl alcohol(taking it  as the starting point). Further, whole two types of the products  are being  manufactured  in the solid form, there is demand  for  the material in the form of a solution also. Sodium lauryl ether sulphate is also known as "Fatty alkyl ether sulphate".  Before the discovery of  sodium  lauryl  ether sulphate,  all the detergents and shampoo manufacturers use  only sodium  lauryl  sulphate  as  a raw  material  in  the  field  of detergent and shampoo. Detergent and shampoos are compounds which are used for human comfort, cleanliness and for industrial surface applications.