Hydroxylamine hydrochloride Product index:Q/ZXH003-2001 Item\Grade First Grade Top Grade Content ≥98% ≥99% Sulfate ≤0.01% ≤0.008% Heavy Metal ≤0.0005% ≤0.0005% Iron salts ≤0.0010% ≤0.0005% Moisture ≤0.5% ≤0.3% Appearance White Crystalline H.S code :29280000 UN NO.:1759 Packing: Paper-barrel, plastic woven sack(inner-lining film sack). 50KG Plastic woven sack(inner-lining film sack). 25KG.