Potassium phosphate dibasic - Reagent grade, ≥98% , CAS No.7758-11-4

CAS: 7758-11-4 Cat. No.: P433943 Formule: K2HPO4 Poids moléculaire: 174.18 Numéro CE: 231-834-5
DISPONIBLE À COMMANDE
GRADE & PURITY Reagent Grade ? General reagent-grade purity suitable for most laboratory work. Use as a dependable default when no specific higher grade is required. ≥98%
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
Room temperature
★
Size
USA
Allemagne (EU)*
Price
Qty
100g
P433943-100g
2 En stock
—

9,90$US

10,90$US
Enregistrer 1,00 $US (9.17%)
500g
P433943-500g
1 En stock
1 En stock

19,90$US

26,90$US
Enregistrer 7,00 $US (26.02%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

Reagent grade, ≥98% Reagent Grade 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 327 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonymes
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
Spécifications et pureté
Reagent grade, ≥98%
Conditions de stockage de stockage
Room temperature
Grade
Reagent Grade
Pureté
≥98%
Noms et identifiants
Pubchem Sid528774347
Sourires canoniquesOP(=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
Isomères SMILES OP(=O)([O-])[O-].[K+].[K+]
Poids moléculaire 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
ClasseAlkali 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
DescriptionThis 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
Structure 3D
Modèle de structure chimique interactif





Mécanismes d'action
Certificats (CoA, COO, BSE/TSE et tableau d'analyse)
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.

42 results found

Lot NumberCertificate TypeDateArticle
H2619495Certificate of AnalysisAug 05, 2026 P433943
H2619485Certificate of AnalysisAug 05, 2026 P433943
H2619483Certificate of AnalysisAug 05, 2026 P433943
H2619482Certificate of AnalysisAug 05, 2026 P433943
H2619496Certificate of AnalysisAug 05, 2026 P433943
E2620215Certificate of AnalysisMay 25, 2026 P433943
E2620216Certificate of AnalysisMay 25, 2026 P433943
E2620214Certificate of AnalysisMay 25, 2026 P433943
E2620213Certificate of AnalysisMay 25, 2026 P433943
E2620212Certificate of AnalysisMay 25, 2026 P433943
C2613068Certificate of AnalysisMar 26, 2026 P433943
C2613066Certificate of AnalysisMar 23, 2026 P433943
C2613070Certificate of AnalysisMar 16, 2026 P433943
K2525315Certificate of AnalysisNov 27, 2025 P433943
A2608053Certificate of AnalysisNov 27, 2025 P433943
K2525314Certificate of AnalysisNov 27, 2025 P433943
K2525313Certificate of AnalysisNov 27, 2025 P433943
K2525312Certificate of AnalysisNov 27, 2025 P433943
K2525291Certificate of AnalysisNov 27, 2025 P433943
C2606055Certificate of AnalysisNov 27, 2025 P433943
F2519573Certificate of AnalysisJun 09, 2025 P433943
F2519630Certificate of AnalysisJun 09, 2025 P433943
F2519632Certificate of AnalysisJun 09, 2025 P433943
F2519539Certificate of AnalysisJun 09, 2025 P433943
G2521267Certificate of AnalysisJun 09, 2025 P433943
G2521268Certificate of AnalysisJun 09, 2025 P433943
G2521269Certificate of AnalysisJun 09, 2025 P433943
G2521280Certificate of AnalysisJun 09, 2025 P433943
J2511108Certificate of AnalysisJun 09, 2025 P433943
F2523080Certificate of AnalysisJan 03, 2025 P433943
B2511625Certificate of AnalysisJan 03, 2025 P433943
B2511624Certificate of AnalysisJan 03, 2025 P433943
B2511623Certificate of AnalysisJan 03, 2025 P433943
B2511622Certificate of AnalysisJan 03, 2025 P433943
B2511621Certificate of AnalysisJan 03, 2025 P433943
I2405287Certificate of AnalysisAug 23, 2024 P433943
I2405288Certificate of AnalysisAug 23, 2024 P433943
I2405289Certificate of AnalysisAug 23, 2024 P433943
I2405291Certificate of AnalysisAug 23, 2024 P433943
I2405336Certificate of AnalysisAug 23, 2024 P433943
A2415232Certificate of AnalysisJan 26, 2024 P433943
A2415233Certificate of AnalysisJan 26, 2024 P433943
Propriétés chimiques et physiques
Solubilitéwater: 200mg/mL, clear to slightly hazy, colorless
SensibilitéMoisture sensitive
Point de fusion (°C)340℃
Poids moléculaire174.176 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
FAQ et articles
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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
Calculateurs de solution
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