Name of product: Sodium sulfide
Purity: 60%
Molecular weight: 78.04
UN No: 1849
Molecular formula: Na2S
CAS No: 1313-82-2
Dangerous Goods Class: 8
Standard: GB 10500-2009
Appearance: widely used in such industry as the manufacture of papermaking, sulfurous acid dyeing of manmade fiber, copper ore beneficiation.
Packing: packed in plastic woven bag lined with polyethylene inner bags, net weight per bag is 25kg or 50kg, all bags are tightly sealed.
Item | I | II | |||
Excellent | First Class | Qualified | Excellent | First Class | |
Na2S,%≥ | 60 | 60 | 60 | 60 | 60 |
Na2SO3,% ≤ | 1.0 | - | - | - | - |
Fe ≤ | 0.0020 | 0.0030 | 0.0050 | 0.015 | 0.030 |
Na2CO3%≤ | 2.0 | - | - | - | - |
Na2S2O3%≤ | 2.5 | - | - | - | - |
water insoluble,%≤ | 0.05 | 0.05 | 0.05 | 0.15 | 0.20 |