Potassium phosphate dibasic anhydrous - ACS , CAS No.7758-11-4

CAS: 7758-11-4 Cat. No.: P112219 Summenformel: K2HPO4 Molekulargewicht: 174.18 EG-Nummer: 231-834-5
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GRADE & PURITY ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity.
Synonyms
Dipotassium hydrogen orthophosphate | DI-POTASSIUM HYDROGEN ORTHOPHOSPHATE | dipotassium;hydrogen phosphate | EC 231-834-5 | POTASSIUM PHOSPHATE DIBASIC [WHO-DD] | CHEBI:131527 | DIBASIC POTASSIUM PHOSPHATE COMPONENT OF POTASSIUM PHOSPHATES
Storage
Desiccated,Room temperature
Shipped In
Normal
★
Size
Deutschland (EU)
USA*
Price
Qty
100g
P112219-100g
—
5 Auf Lager
17,27€
500g
P112219-500g
1 Auf Lager
2 Auf Lager

41,56€

48,51€
Speichern 6,94 € (14.31%)
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Why this grade

ACS ACS for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

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

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Quality documents

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

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Literature proof

Cited in 327 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyme
Dipotassium hydrogen orthophosphate | DI-POTASSIUM HYDROGEN ORTHOPHOSPHATE | dipotassium;hydrogen phosphate | EC 231-834-5 | POTASSIUM PHOSPHATE DIBASIC [WHO-DD] | CHEBI:131527 | DIBASIC POTASSIUM PHOSPHATE COMPONENT OF POTASSIUM PHOSPHATES
Spezifikationen & Reinheit
ACS
Storage
Desiccated,Room temperature
Verschickt in
Normal
Note
ACS
Namen und Kennungen
Pubchem Sid
Kanonisches Lächeln
OP(=O)([O-])[O-].[K+].[K+]
IUPAC Name
dipotassium;hydrogen phosphate
InChIKey
ZPWVASYFFYYZEW-UHFFFAOYSA-L
INCHI
1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
Isomere SMILES
OP(=O)([O-])[O-].[K+].[K+]
Molekulargewicht
174.18
Reaxy-Rn
11343458
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343458&ln=

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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
KlasseAlkali metal oxoanionic compounds
SubclassAlkali metal phosphates
Intermediate Tree Nodes Not available
Direct ParentAlkali metal phosphates
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal phosphate - Inorganic oxide - Inorganic salt
BeschreibungThis compound belongs to the class of inorganic compounds known as alkali metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors organic molecular entity
3D-Struktur
Interaktives chemisches Strukturmodell





Wirkungsmechanismen
Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
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.

14 results found

Lot NumberCertificate TypeDatumArtikel
A2626714Certificate of AnalysisJan 14, 2026 P112219
A2626715Certificate of AnalysisJan 14, 2026 P112219
E2625405Certificate of AnalysisJan 14, 2026 P112219
E2625408Certificate of AnalysisJan 14, 2026 P112219
H2518523Certificate of AnalysisAug 09, 2025 P112219
H2518524Certificate of AnalysisAug 09, 2025 P112219
I2529301Certificate of AnalysisAug 09, 2025 P112219
I2529390Certificate of AnalysisAug 09, 2025 P112219
C2518667Certificate of AnalysisMar 10, 2025 P112219
C2518670Certificate of AnalysisMar 10, 2025 P112219
C2518673Certificate of AnalysisMar 10, 2025 P112219
G2405599Certificate of AnalysisJun 21, 2024 P112219
G2405600Certificate of AnalysisJun 21, 2024 P112219
G2208368Certificate of AnalysisJul 12, 2022 P112219
Chemische und physikalische Eigenschaften
EmpfindlichkeitHygroscopic;Moisture sensitive
Schmelzpunkt (°C)340℃
Molekulargewicht174.176 g/mol
XLogP3
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass173.889 Da
Monoisotopic Mass173.889 Da
Topological Polar Surface Area83.400 Ų
Heavy Atom Count7
Formal Charge0
Complexity46.500
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count3
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Citations of This Product
Lösungsrechner
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