Chemical Name: Sodium Hydrosulfide
Product NO.: 28301090
CAS No.: 16721-80-5
Molecular Formula: NaHS
Molecular Weight: 56.06
Standard: GB/T 23937-2009
Physical and Chemical Properties:
1)Physical State: Yellow flake and solid
2)Solubility in Water: Very Soluble
3)Stability: Stable under ordinary conditions
Appearance: Colorless or light yellow, volatile, flammable liquid.
Function and Usage:
1).used in pulp and paper industry in the kraft process;
2).used in water treatment as an oxygen scavenger agent;
3).used in the photographic industry to protect developer solutions from oxidation;
4).used in textile industry as a bleaching,as a desulfurising and as a dechlorinating agent and in leather trade for the sulfitisation of tanning extracts;
5).used in chemical manufacturing as a sulfonation and sulfomethylation agent;
6).used in the production f rubber chemicals,sulfur dyes and other chemical compounds;
7).used in other applications including ore flotation,oil recovery,food presevative,making dyes,and detergent. of fertilizer and pesticide.
Specifications:
Item | Index |
NaHS(%) | 70% Min |
Fe | 30ppm Max |
Na2S(%) | 3.5% Max |
Na2SO3(%) | 1.5% Max |
Na2CO3(%) | 1.0% Max |
Water Insoluble(%) | 0.005% Max |
Packing Details:
1).Flakes packed in 25kg/900kg plastic woven bags
2).Solid fused packed in 150kg/320kg iron drums
Handling and Storage
Keep only in closed, properly labeled containers. Do nor store in zinc, aluminum, or copper containers. Store in cool, dry, ventilated area to prevent it from being deliquescent. Separated from acids, acidic materials, oxidizing agents.