Sodium hydrogen sulfide is a yellow, solid flake with a sulfurous (rotten egg) smell. It is used in water treatment, the pulp and paper industry, and in leather processing as a tanning agent or hair remover (from hides). Sodium hydrogen sulfide may be used in the making of colors and dyes. It can also be used in the manufacture of other chemicals, metals or in ore processing (mining) and in waste water, soil and process sludge treatment.
Sodium hydrogen sulfide is used in many industries; for example, it is used in waste water, soil and process sludge remediation (treatment), the pulp and paper industry, metals processing, and to purify flue (exhaust) gas and in leather production as a tanning agent or hair remover (from hides). It may be used in the making of colors and dyes or in the manufacture of other chemicals.
- Mining (whitout offshore industries)
- Industrial use; Uses of substances as such or in preparations at industrial sites.
- Manufacture of textiles, leather.
- Manufacture of pulp, paper and paper products
- Manufacture of bulk, large-scale chemical (including petroleum products)
- Manufacture of fine chemical
- Formulation (mixing) of preparations and/or re-packaging (excluding alloys)
- Manufacture of rubber products
- Manufacture of plastic products, including compounding and conversion
- Manufacture of other nonmetallic mineral products
- Manufacture of basic metals, including alloys
- Electricity, steam, gas, water supply and sewage treatment.
Health Information :
Contact - Skin exposures can cause symptoms ranging from severe skin irritation or itching to redness and swelling. Eye exposure to sodium hydrogen sulfide may result in redness, tearing or severe eye irritation and damage.
Inhalation - The inhalation of sodium hydrogen sulfide dusts can cause nose and throat irritation or coughing. Repeated or prolonged exposures may cause sore throat or nosebleeds. Inhalation may also cause severe respiratory reactions and aggravate asthma or other breathing diseases.
Ingestion - The ingestion of sodium hydrogen sulfide may cause severe irritation or burns of the mouth and throat, nausea, vomiting and diarrhea. There is danger of perforating (puncturing) the esophagus or stomach. Other Effects - The International Agency for Research on Cancer (IARC) has not classified sodium hydrogen sulfide as a carcinogen (cancer causing).
Typical physical properties of Sodium hydrogen sulfide
| Appearance | Yellow flakes |
| Odour | Sulphurous |
| Bulk Density | 600-700 kg/m3 |
| Melting Point | 52-55ºC |
| Boiling Point | 115ºC |
| Solubility in Water | 500-600 g/L @ 20ºC |
| pH | 11.9 (10 g/L 20ºC) |
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