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Sodium metaborate

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Sodium metaborate Basic information
Sodium metaborate Chemical Properties
  • Melting point:966 °C
  • Boiling point:1434 °C
  • Density 2.464
  • form white hexagonal crystals
  • Water Solubility g/100g solution H2O: 14.10 (0°C), 22.00 (25°C), 55.60 (100°C); solid phase, NaBO2 ·4H2O (0°C, 25°C), NaBO2 · 2H2O (100°C) [KRU93]
  • NIST Chemistry ReferenceSodium metaborate(7775-19-1)
  • EPA Substance Registry SystemSodium metaborate (7775-19-1)
Safety Information
Sodium metaborate Usage And Synthesis
  • DescriptionSodium Metaborate is the sodium salt of Metaborate. Sodium metaborate is used in the manufacturing of borosilicate glasses. It is also a component of herbicides and antifreeze1. It can also be used as an oil additive with anti-wear properties2. Sodium metaborate electroreduction in the alkaline system can act as a novel desulphurization process of coal water slurry3. It also has role in hydrolysis of sodium borohydride to minimize the water utilization4. It can also act as a novel alkali in alkali/surfactant/polymer flooding5. It is also useful in the thermo-chemical production of sodium borohydride6, which is a safe and practical hydrogen storage material for on-board hydrogen production.
  • Reference
    2. Liu, Weimin. "The Antiwear Properties of Sodium Metaborate as an Oil Additive” Tribology 48.4(1990):290-293.
    3. Shen, Yafei, T. Sun, and J. Jia. "A novel desulphurization process of coal water slurry via sodium metaborate electroreduction in the alkaline system." Fuel 96.7(2012):250-256.
    4. Marrero-Alfonso, Eyma Y., et al. "Minimizing water utilization in hydrolysis of sodium borohydride: The role of sodium metaborate hydrates." International Journal of Hydrogen Energy 32.18(2007):4723-4730.
    5. Chen, Fuzhen, et al. "Evaluation the performance of sodium metaborate as a novel alkali in alkali/surfactant/polymer flooding." Journal of Industrial & Engineering Chemistry 19.2(2013):450-457.
    6. Eom, Kwang Sup, et al. "Thermochemical production of sodium borohydride from sodium metaborate in a scaled-up reactor." International Journal of Hydrogen Energy 38.6(2013):2804-2809.
  • Chemical PropertiesWhite lumps.Soluble in water. Noncombustible.
  • UsesHerbicide. Also available commercially as octahydrate and tetrahydrate.
  • DefinitionChEBI: An inorganic sodium salt having metaborate as the counterion.
  • Agricultural UsesHerbicide, Insecticide, Fungicide, Nematocid: Not listed for use in EU countries. Registered for use in the U.S
  • Agricultural UsesRasorite is one of the sources of borax which is produced by re-crystallizing the ores. Borax (Na2B407?10H2O

    ) is a source of the boron micronutrient and has many uses.
Sodium metaborate Preparation Products And Raw materials
Sodium metaborate(7775-19-1)Related Product Information
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  • Company Name:Shanghai Hanhong Scientific Co.,Ltd.
  • Tel:021-54306202-
  • Company Name:Chengdu XiYa Chemical Technology Co., Ltd.
  • Tel:400-990-3999
  • Company Name:Spectrum Chemical Manufacturing Corp.
  • Tel:18616765336
  • Company Name:Cheng Du Micxy Chemical Co.,Ltd
  • Tel:18048500443
  • Company Name:Beijing Universal Century Technology Co., Ltd.
  • Tel:400-8706899