Potassium phosphate dibasic anhydrous - HPLC grade, ≥99%(T) , CAS No.7758-11-4

CAS: 7758-11-4 Cat. No.: P112221 Summenformel: K2HPO4 Molekulargewicht: 174.18 EG-Nummer: 231-834-5
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GRADE & PURITY HPLC grade ? HPLC grade — purity and low UV-absorbing impurities suited to liquid chromatography. Use as the everyday solvent/reagent for routine HPLC. ≥99%(T)
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 | Potassium ph
Storage
Desiccated,Room temperature
Shipped In
Normal
★
Size
Deutschland (EU)
USA*
Price
Qty
5g
P112221-5g
—
3 Auf Lager
17,27€
25g
P112221-25g
—
2 Auf Lager
49,37€
100g
P112221-100g
—
3 Auf Lager
138,75€
250g
P112221-250g
—
5 Auf Lager
298,42€
Enter a quantity for the sizes you want to add.
🧪
Why this grade

HPLC grade, ≥99%(T) HPLC grade for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Desiccated,Room temperature Ships Normal 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 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 | Potassium ph
Spezifikationen & Reinheit
HPLC grade, ≥99%(T)
Storage
Desiccated,Room temperature
Verschickt in
Normal
Note
HPLC grade
Reinheit
≥99%(T)
Namen und Kennungen
Pubchem Sid508815718
Kanonisches LächelnOP(=O)([O-])[O-].[K+].[K+]
IUPAC Namedipotassium;hydrogen phosphate
InChIKeyZPWVASYFFYYZEW-UHFFFAOYSA-L
INCHI1S/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.

View datasheet →

🔬 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.

30 results found

Lot NumberCertificate TypeDatumArtikel
I2615742Certificate of AnalysisAug 18, 2026 P112221
I2615741Certificate of AnalysisAug 18, 2026 P112221
I2615740Certificate of AnalysisAug 18, 2026 P112221
A2623502Certificate of AnalysisJan 07, 2026 P112221
A2623503Certificate of AnalysisJan 07, 2026 P112221
A2623504Certificate of AnalysisJan 07, 2026 P112221
A2623327Certificate of AnalysisJan 07, 2026 P112221
F2625021Certificate of AnalysisJan 07, 2026 P112221
E2526669Certificate of AnalysisJun 03, 2025 P112221
E2519343Certificate of AnalysisJun 03, 2025 P112221
L2512122Certificate of AnalysisJun 03, 2025 P112221
E2526626Certificate of AnalysisJun 03, 2025 P112221
E2526670Certificate of AnalysisMay 27, 2025 P112221
L2014055Certificate of AnalysisOct 15, 2024 P112221
B2328339Certificate of AnalysisMar 06, 2023 P112221
C2406017Certificate of AnalysisMar 06, 2023 P112221
K2413068Certificate of AnalysisMar 06, 2023 P112221
C2301802Certificate of AnalysisMar 06, 2023 P112221
C2301803Certificate of AnalysisMar 06, 2023 P112221
C2301804Certificate of AnalysisMar 06, 2023 P112221
C2301898Certificate of AnalysisMar 06, 2023 P112221
C2504074Certificate of AnalysisMar 06, 2023 P112221
F2223331Certificate of AnalysisJul 03, 2022 P112221
K2202500Certificate of AnalysisJul 03, 2022 P112221
F2210573Certificate of AnalysisJun 14, 2022 P112221
F2223353Certificate of AnalysisJun 13, 2022 P112221
F2210588Certificate of AnalysisJun 13, 2022 P112221
F2210574Certificate of AnalysisJun 13, 2022 P112221
F2210572Certificate of AnalysisJun 13, 2022 P112221
C2202228Certificate of AnalysisMar 21, 2022 P112221
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
FAQs und Artikel
Aldol Condensation Reaction
Basic Concepts about Catalysts
Introduction: “Suitable for HPLC” (HPLC Grade)
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General Principles of Antibody Labeling with NHS-Activated Esters, F/P Calculation, and Troubleshooting Guide
How to Choose a Hydrogen Evolution (HER) Catalyst: Kinetic Barriers in Water Electrolysis, AWE/PEM/AEM Pathways, and a Materials-Family Roadmap (with a Product Map)
Installing a Redox Switch on Biomolecules: Principles, Conjugation Essentials, and an Application Guide for ATTO MB2 NHS ester
A Review of Ten Commonly Used Techniques for Detection, Quantification, and Interaction Analysis in Nucleic Acid Research
Selection of Common Research Salts: A Task Map for Alkali Metal Salts & Alkaline Earth Metal Salts (with Product Tables 1–6)
From “Reduction First, Then Acylation” to “Direct Amidation”: An Unconventional Route to Amide Bond Formation from Nitro and Nitroso Substrates with α-Keto Carboxylic Acids
The Methodological Value of TCFH: Advantages in Challenging Amidation and the Switching Logic of Carboxylic Acid Activation Pathways
What Is Synthetic Biology? The Industrialization Pathway from Upstream Reagent Toolchains to Biomanufacturing Applications
Design Logic of Fluorinated 3,3-Disubstituted Oxetane Building Blocks: Structural Construction and Modulation of Amine Basicity, Lipophilicity, and Metabolic Stability
Citations of This Product
Lösungsrechner
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