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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: H302-H311-H314-H318
Harmful if swallowed. Toxic in contact with skin. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.