Sodium Hydrosulfide
Basic information:
CAS NO.16721-80-5
UN NO.2318/1385/2949
Chemical formula:NaHS
Molecular weight:56.05
Density:1.79g/cm3
Melting point:55℃
Flash point:90℃
Water solubility:620g/L(20℃)
Solubleness:soluble in water and alcohol,water solution is trongly alkaline.
Technical Index(Mass fraction/%)
|
Items |
Index |
|
|
Assay % ≥ |
75 |
70 |
|
Sodium sulfide % ≤ |
0.1 |
0.5 |
|
Sodium sulfite %≤ |
1 |
1.5 |
|
Iron % ≤ |
0.003 |
0.003 |
|
Sodium carbonate% ≤ |
0.6 |
1 |
|
Water insoluble%≤ |
0.005 |
0.005 |
Uses:
The dyestuff industry is used for synthesizing organic intermediates and Preparing sulphide dyes as auxiliaries,used for wastewater treatment,Depliation and tanning of raw leather.
Package/Capacity of container/Storage:
Packing:in 25kg bag.
Store in cool,dry and ventilated warehouse.