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Sulphur Black Specification

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
   
Physical and Chemical Properties
Form

 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)
   
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.