Specification
Item Specification
Specific rotation +39.5 to +41.5
State of solution(transmittance) Clear 98.0% min.
Chloride[cl] 0.020% max.
Ammonium [NH4] 0.02% max.
Sulfate[SO4] 0.020% max
Iron[Fe] 10ppm max.
Heavy metals [Pb] 10ppm max
Arsenic[As2O3] 1ppm max
Other amino acids Chromatographically Not detectable
Loss on drying 0.20% max.
Residue on ignition[sulfated] 0.10% max.
Assay 99.0% min
Application
1.Dye intermediate ,used in the manufacture of sulfur dyes, azo dyes, fur dyes and fluorescent brighteners, EB, etc..
2.Pesticide, used as pesticide raw material in pesticide industry.
3.,Mainly used in the manufacture of acid mordant blue R, sulfur yellow brown, etc., can also be used as fur dyes. Used in cosmetics to make hair dyes (as a combination dye).
- Determination of silver and tinand determination of gold. Intermediates of diazo dyes and sulfur dyes.
5.Used in the manufacture of dyes, drugs, plastic curing agents.
Packing
25kg/drum or 25kg/drum
