Potassium pentaborate octahydrate - ≥97% , CAS No.12229-13-9

CAS: 12229-13-9 Cat. No.: P283306 Molecular Weight: 586.43 EC Number: 602-489-1 PubChem CID: 44134903
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
MFCD00213879 | Boron potassium oxide (B5KO8), tetrahydrate | POTASSIUM PENTABORATE OCTAHYDRATE, 97 | dipotassium;[bis(oxoboranyloxy)boranyloxy-oxoboranyloxyboranyl]oxy-[[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyboranyl]oxyborinate;octahydrate | Potass
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
25g
P283306-25g
3
$36.90
100g
P283306-100g
1
$66.90
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
MFCD00213879 | Boron potassium oxide (B5KO8), tetrahydrate | POTASSIUM PENTABORATE OCTAHYDRATE, 97 | dipotassium;[bis(oxoboranyloxy)boranyloxy-oxoboranyloxyboranyl]oxy-[[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyboranyl]oxyborinate;octahydrate | Potass
Specifications & Purity
≥97%
Storage
Room temperature
Purity
≥97%
Names and Identifiers
Pubchem Sid488200965
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488200965
Canonical SmilesB(=O)OB([O-])OB(OB=O)OB([O-])OB(OB=O)OB(OB=O)OB=O.O.O.O.O.O.O.O.O.[K+].[K+]
IUPAC Namedipotassium;[bis(oxoboranyloxy)boranyloxy-oxoboranyloxyboranyl]oxy-[[oxido(oxoboranyloxy)boranyl]oxy-oxoboranyloxyboranyl]oxyborinate;octahydrate
InChIKeyAXTXIARPFKLBPW-UHFFFAOYSA-N
INCHI1S/B10O16.2K.8H2O/c11-1-18-6(16)23-9(21-4-14)24-7(17)25-10(22-5-15)26-8(19-2-12)20-3-13;;;;;;;;;;/h;;;8*1H2/q-2;2*+1;;;;;;;;
Isomeric SMILES B(=O)OB([O-])OB(OB=O)OB([O-])OB(OB=O)OB(OB=O)OB=O.O.O.O.O.O.O.O.O.[K+].[K+]
PubChem CID 44134903
Molecular Weight 586.43

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
J2222402Certificate of AnalysisAug 11, 2025 P283306
J2222403Certificate of AnalysisAug 11, 2025 P283306
G2418029Certificate of AnalysisJul 24, 2024 P283306
J2222404Certificate of AnalysisSep 28, 2022 P283306
Chemical and Physical Properties
SolubilityInsoluble in water
Melt Point(°C)780°C
Citations of This Product
References
1. Jia-Yue Wang, Chen Yan, Han Sen-Jian, Guo Ya-Fei, Wang Shi-Qiang.  (2024)  Solid–Liquid Phase Equilibria in Ternary Aqueous Systems (LiB5O8 + KB5O8 + H2O) and (LiB5O8 + NaB5O8 + H2O) at 288.15 K and 0.1 MPa.  RUSSIAN JOURNAL OF INORGANIC CHEMISTRY,      [PMID:] [10.1134/S0036023624602861]
Solution Calculators
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