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Sodium sulfide hydrate is used as an oxygen scavenger in water treatment, bleaching agent in textile industry, desulfurising and as a dechlorinating agent and in leather industry, sulfonation and sulfomethylation agent in chemical industry. It is involved in the production of rubber chemicals and sulfur dyes. It is also used to prepare 3-nitroaniline from 1,3-dinitrobenzene and thioethers from alkyl halide. It plays an important role in other applications such as ore flotation, oil recovery, making dyes, and detergent. In addition, it is used in pulp and paper industry in the Kraft process.
Solé, A.; Miró, L.; Barreneche, C.; Martorell, I.; Cabeza, L. F. Corrosion of metals and salt hydrates used for thermochemical energy storage. Renewable Energy 2015, 75, 519-523.
Garrett, B. G.; Srinivas, K.; Ahring, B. K. Performance and stability of Amberlite IRA-67 ion exchange resin for product extraction and pH control during homolactic fermentation of corn stover sugars. Biochem. Eng. J. 2015, 94, 1-8.
Hazard Statements: H290-H302-H311-H314
May be corrosive to metals. Harmful if swallowed. Toxic in contact with skin. Causes severe skin burns and eye damage.
Precautionary Statements: P234-P260-P264b-P270-P271-P280-P284-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P390-P501c
Keep only in original container. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. Wear respiratory protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. Absorb spillage to prevent material damage. Dispose of contents/ container to an approved waste disposal plant