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sodium hydrosulfide flake 70%
hs code:28301090 cas no:16721-80-5 yellowwish flake
melting point 50oc
flash point 90oc
function:in the dyestuff industry,sodium hydrosulphide is used for composition of organic intermediates
and preparation of sulfide dye additives,leather industry,hair removal and tanning,wasterwater treatment
