ChemicalBook > CAS DataBase List > Sodium metaborate

Sodium metaborate

Description Reference

Product Name: Sodium metaborate
CAS No.: 7775-19-1
Chemical Name: Sodium metaborate
Synonyms: NaBO2;Kodalk;Rasorite;Borosoap;SODIUMBORATES;SODIUM METABORATE;SODIUM MONOBORATE;Sodium borate(1-);Sodium dioxoborate;Sodiooxyboron oxide
CBNumber: CB5318531
Molecular Formula: BNaO2
Formula Weight: 65.8
MOL File: 7775-19-1.mol

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Sodium metaborate Property

Melting point:: 966 °C
Boiling point:: 1434 °C
Density: 2.464
solubility: soluble in H2O
pka: 8.94[at 20 ℃]
form: white hexagonal crystals
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]
NIST Chemistry Reference: Sodium metaborate(7775-19-1)
EPA Substance Registry System: Sodium metaborate (7775-19-1)

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Safety

RIDADR: UN3077(solid)
Hazardous Substances Data: 7775-19-1(Hazardous Substances Data)

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H319Causes serious eye irritation

H361Suspected of damaging fertility or the unborn child

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P281Use personal protective equipment as required.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

P405Store locked up.

P501Dispose of contents/container to..…

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Sodium metaborate Chemical Properties,Usage,Production

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.

Chemical Properties

White lumps.Soluble in water. Noncombustible.

Uses

Herbicide. Also available commercially as octahydrate and tetrahydrate.

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

Agricultural Uses

Rasorite 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.

Trade name

ALLPRO BARACIDE®; ATRATOL®[C]; BAREGROUND®; MONOBOR-CHLORATE®; PRAMITOL®; TRI-KILL®; UREABOR®

Sodium metaborate Preparation Products And Raw materials

Raw materials

Preparation Products

Sodium perborate tetrahydrate MAGNESIUM BORATE SODIUM METABORATE TETRAHYDRATE

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View Lastest Price from Sodium metaborate manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: Sodium metaborate 7775-19-1
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-11-05

Shaanxi Dideu New Materials Co. Ltd

Product: Sodium metaborate 7775-19-1
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98.0%
Supply Ability: 10000KGS
Release date: 2025-03-29

Zhuozhou Wenxi import and Export Co., Ltd

Product: Sodium metaborate 7775-19-1
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-06-27

7775-19-1, Sodium metaborateRelated Search:

METABORIC ACID Sodium tetraphenylboron Sodium chloride Sodium benzoate Sodium tetraborate Sodium citrate Sodium gluconate Sodium tetrafluoroborate SODIUM TETRAETHYLBORATE Barium boron oxide Sodium acetate Sodium perborate Sodium formate Sodium carbonate Sodium hydroxide Sodium bicarbonate STANDARD BUFFER SODIUM METABORATE HYDRATE

Boric acid (HBO2), sodium salt

Boric acid, monosodium salt

Monosodium metaborate

NaBO2

Rasorite

Sodium dioxoborate

SODIUM MONOBORATE

SODIUM METABORATE

sodium metaborate, anhydrous

Borosoap

Kodalk

Sodiooxyboron oxide

Sodium borate(1-)

Boric acid, sodium salt, hydrate

Sodium metaborate 8 mol

SODIUMBORATES

Boric acid (HBO2), sodium salt (1:1)

Sodium metaborate ISO 9001：2015 REACH

TIANFU-CHEM Sodium metaborate

Sodium metaborate,AR

7775-19-1

Inorganics