Sodium sulphide
Other Names: sodium sulfide
MF:Na2S
EINECS No.:215-212-0
Place of Origin:Henan, China (Mainland)
Grade Standard:Industrial grade
Purity:60%
Appearance:yellow/red flake
HS Code:2830101000
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Sodium sulfide is the chemical compound with the formula Na2S, or more commonly its hydrate Na2S·9H2O. Both are colorless water-soluble salts that give strongly alkaline solutions. When exposed to moist air, Na2S and its hydrates emit hydrogen sulfide, which smells like rotten eggs.
| Fe | 10ppm/30ppm | 50ppm | 150ppm | 300ppm | 1500ppm |
| Na2S | 60% Min | 60% Min | 60% Min | 60% Min | 60% Min |
| Na2CO3 | 3% Max | 3% Max | 5% Max | 5% Max | 5% Max |
| Water Insoluble Matter | 0.2% Max | 0.2% Max | 0.2% Max | 0.2%Max | 0.4%max |
Application:
used as making sulphur dyestuff intermediate reducer, mordant, flotation agent, depilatory for leather, digestion auxiliary in paper-making also widely used in pigment and rubber industry, etc.
Caution
Inhalation: Inhalation of the dust can cause sore throat, coughing and shortness of breath. Very high or very long exposures could lead to a build-up of fluid in the lungs (pulmonary edema) and, possibly, death.
Skin Contact: Can cause severe skin irritation and burns.
Eye Contact: Can cause redness, pain, blurred vision and burns which are slow healing. Blindness may result.
