Product Description

Molecular formula: C*0H8NO7S2Na Molecular weight: **1.*0 Specification of quality Paste cake powder H-acid mono sodium salt% % *2±2.0 ≥*5.0 H-acid mono sodium salt%(HPLC) ≤　　*7.0 *7.0 chromotropic acid disodium salt %≤ 1.5 1.5 T-acid disodium salt %≤ 0.5 0.5 ω-acid disodium salt %≤ 0.5 0.5 Moisture %≤ **- 5.0 Insoluble %≤ 0.2 0.2 Property: Grey powder, slightly dissolves in water, can dissolve in the sodium carbonate solution.Dilute the H-acid monosodium salt will present blue and red fluorescent with the nitrous acid will turn into the yellow crystalline diazo with the ferric chloride presents reddish brown;it is red and purple when dissolves in the sodium carbonate solution;dark green in saline solution, apt to dissolves in hot water. Use: Mainly used in the producting acid, direct and reactive dye, also applied in medicine. Packing: woven bag pack Net weight *5kg *0 TON in 1X*0’FCL with pallets Net weight **0kg *0 TON in 1X*0’FCL with pallets Net weight *5kg *2 TON in 1X*0’FCL bulk Transport: Avoid impact or rain. Storage: In cool. dry and airy place, avoid moisture.