Name:C.I.Sulphur Black 5,C.I.53205
CAS Registry Number:1326-88-1
Manufacturing Methods : Picric acid or 2-Amino-4,6-dinitrophenol or the Sodium salt and Sodium polysulfide solution heated to 110 ℃, and return, until the sample to dye inspection standard. If necessary, use the empty oxygen precipitation and filter.
Properties and Applications: red light black. In the Sodium sulfide solution solubility is very good, for red black; In concentrated sulfuric acid for the blue black, dilution after precipitation.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Fulling||Persperation Fastness||Soaping|
List of Suppliers:
Immedial Black FT( Carbotex Consultants )