Name of product:Sodium hydrosulfide
Purity: 70%
Molecular weight: 56.05
UN No: 2331
Molecular formula: NaHS
CAS NO: 16721-80-5
Dangerous Goods Class: 8
Standard: GB 23937-2009
Appearance: Yellow and round flake or piece in solid. Or colorless, yellow, greenish-yellow, or red in liquid.
Application: Used in such industry as copper ore beneficiation, the manufacture of pesticides, leather, sulfurous acid dyeing of manmade fiber and etc.
Packing: sodium hydrosulfide is packed in woven bag lined 3 or 4 layer plastic inner bags, net weight per bag is 25kg or 900kg.
Test report
ITEM | Content | ||||||||
Flake | Liquid Basis | ||||||||
Premium grade | First grade | L-1 | L-2 | L - 3 | |||||
Appearance | Yellowish Flake | ||||||||
NaHS % Min | 70 | 70 | 42 | 36 | 28 | ||||
Na2S % Max | 3.0 | 4.0 | 1.0 | 1.0 | 1.0 | ||||
Iron(Fe)% MAX | 0.0015 | 0.0020 | - | - | - |