Method of Applications
Liquid Sulphur Black is extensively used for Denim yarn dyeing either by warp sheet (Slasher dyeing) or Rope dyeing system for obtaining. It is a popular practice for coloring cotton yarn in handloom sector and in this approach; the spent dye bath is being replenished for subsequent dyeing.
| Prodcut Identification | |
| CAS | 1326-83-6 |
| EINECS | 215-445-8 |
| Formula | Not Avaliable |
| Content | Our Standard 150% contains no more than 63 % of pure dye ; the rest being inert substances such as sodium chloride, sodium sulfate, sodium carbonate, sugar |
| Sales Specification | |
| Appearance | black scale. |
| Shade | corresponding to standard |
| Moisture | 6.0% max. |
| Insoluble matter in sodium sulphide | 0.7% max. |
| Free sulphur content | 0.5% max. |
| Packing | in 25 kgs net iron drums/p.p bag/carton box. |
| Physical and Chemical Properties | |
| solid | |
| Colour | a) powder: black |
| b) 1% water solution: black | |
| Odour | none |
| Bulk density | 450 – 500 kg/m3 |
| Solubility in water | 40 g/l (60 C) |
| Solubility in other solvents | Slightly soluble in DMF, DMSO, pyridin. Insoluble in alcohols, ketones, hydrocarbons, esters. |
| pH value | 8,5 – 10,0 (at 10 g/l, 20° C) |