| Identification | Back Directory | [Name]
Sodium metaborate | [CAS]
7775-19-1 | [Synonyms]
NaBO2
Kodalk
Borosoap
Rasorite
SODIUMBORATES
Sodium borate(1-)
SODIUM MONOBORATE
SODIUM METABORATE
Sodium dioxoborate
Sodiooxyboron oxide
Monosodium metaborate
Sodium metaborate 8 mol
Boric acid, monosodium salt
sodium metaborate, anhydrous
Boric acid (HBO2), sodium salt
Boric acid, sodium salt, hydrate | [EINECS(EC#)]
231-891-6 | [Molecular Formula]
BNaO2 | [MDL Number]
MFCD00003521 | [MOL File]
7775-19-1.mol | [Molecular Weight]
65.8 |
| Chemical Properties | Back Directory | [Appearance]
White lumps.Soluble in water. Noncombustible.
| [Melting point ]
966 °C | [Boiling point ]
1434 °C | [density ]
2.464 | [solubility ]
soluble in H2O | [form ]
white hexagonal crystals | [pka]
8.94[at 20 ℃] | [color ]
white hexagonal, hexane crystals, crystalline | [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] | [Uses]
Herbicide. Also available commercially as
octahydrate and tetrahydrate.
| [NIST Chemistry Reference]
Sodium metaborate(7775-19-1) | [EPA Substance Registry System]
Sodium metaborate (7775-19-1) |
| Hazard Information | Back Directory | [Chemical Properties]
White lumps.Soluble in water. Noncombustible.
| [Definition]
ChEBI: An inorganic sodium salt having metaborate as the counterion. | [Agricultural Uses]
Herbicide, Insecticide, Fungicide, Nematocid: Not listed for use in EU countries. Registered for use in the U.S | [Trade name]
ALLPRO BARACIDE®; ATRATOL®[C]; BAREGROUND®; MONOBOR-CHLORATE®; PRAMITOL®; TRI-KILL®; UREABOR® |
| Questions And Answer | Back Directory | [Description]
Sodium 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]
- https://en.wikipedia.org/wiki/Sodium_metaborate
- Liu, Weimin. "The Antiwear Properties of Sodium Metaborate as an Oil Additive” Tribology 48.4(1990):290-293.
- 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.
- 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.
- 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.
- 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.
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