Potassium metaborate

Base Information

• Chemical Name: Potassium metaborate
• CAS No.: 13709-94-9
• Deprecated CAS: 12228-49-8,358718-11-3,950582-62-4,358718-11-3,950582-62-4
• Molecular Formula: BKO2
• Molecular Weight: 81.9081
• Hs Code.: 2840209090
• European Community (EC) Number: 237-262-2
• UNII: XZM213L7Q6
• DSSTox Substance ID: DTXSID3049752
• Nikkaji Number: J95.166H
• Wikidata: Q15627939
• Mol file: 13709-94-9.mol

Synonyms:Potassium metaborate;13709-94-9;potassium;oxido(oxo)borane;XZM213L7Q6;Boric acid (HBO2), potassium salt (1:1);Potassium borate (KBO2);UNII-XZM213L7Q6;Potassium metaborate (KBO2);HSDB 7988;EINECS 237-262-2;DTXSID3049752;BORON POTASSIUM OXIDE (BKO2);POTASSIUM BORATE (KBO2) [HSDB];Q15627939;Potassium metaborate, >=31% B2O3 basis, >=42% K2O basis

Chemical Property of Potassium metaborate

Chemical Property:

• Appearance/Colour: white crystalline or loose powder
• PSA: 40.13000
• Density: 1.178
• LogP: -0.88610
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 81.9628409
• Heavy Atom Count: 4
• Complexity: 13.5

Purity/Quality:

99.9% ^*data from raw suppliers

Potassiummetaborate,anhydrous 99.9% ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xn
• Hazard Codes: Xn
• Statements: 63-36
• Safety Statements: 28-36/39

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Chemical Classes: Metals -> Metalloid compounds (Boron)
• Canonical SMILES: B(=O)[O-].[K+]

Technology Process of Potassium metaborate

There total 9 articles about Potassium metaborate which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

selenium (7782-49-2) + potassium borohydride + potassium hydroxide → potassium metaborate (13709-94-9) + potassium polyselenide

Guidance literature:

In water; at 20 ℃; for 0.5h; Schlenk technique; Inert atmosphere; Sonication;

DOI:10.24820/ark.5550190.p010.981

Reference yield:

tetrahydroxydiboron (13675-18-8) → potassium metaborate (13709-94-9)

Guidance literature:

With potassium hydroxide; In not given; byproducts: H2, H2O;

Reference yield:

Kaliumdiboran → potassium metaborate (13709-94-9)

Guidance literature:

With water; In water; byproducts: H2; reaction rate depends on pH; total decompn. in presence of acid; Kinetics;

upstream raw materials:

tetrahydroxydiboron

selenium

Downstream raw materials:

fluoroboroxine

potassium tetrafluoroborate

Refernces

• 1、 Krasowska, Dorota,Begini, Francesca,Santi, Claudio,Mangiavacchi, Francesca,Drabowicz, Jozef,Sancineto, Luca. "Ultrasound-assisted synthesis of alkali metals diselenides (M2Se2) and their application for the gram-scale preparation of 2,2’-diselenobis(benzoic acid)". . p. 24 - 37. Retrieved 2020/02/13.