Potassium phosphate monobasic - anhydrous, ACS, ≥99% , CAS No.7778-77-0

CAS: 7778-77-0 Cat. No.: P434010 Formule: KH2PO4 Poids moléculaire: 136.09 Numéro CE: 231-913-4
DISPONIBLE À COMMANDE
GRADE & PURITY Anhydrous Grade ? Anhydrous grade — water removed and packaged dry for moisture-sensitive chemistry. Use in reactions where even trace water would interfere or quench. ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. ≥99%
Synonyms
Potassium dihydrogen phosphate | Potassium orthophosphate, dihydrogen
Storage
Room temperature
Shipped In
Normal
★
Size
Allemagne (EU)
USA*
Price
Qty
500g
P434010-500g
2 En stock
2 En stock
129,21€
Enter a quantity for the sizes you want to add.
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Why this grade

anhydrous, ACS, ≥99% ACS,Anhydrous Grade for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

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 994 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonymes
Potassium dihydrogen phosphate | Potassium orthophosphate, dihydrogen
Spécifications et pureté
anhydrous, ACS, ≥99%
Conditions de stockage de stockage
Room temperature
Expédié en
Normal
Grade
ACS, Anhydrous Grade
Pureté
≥99%
Noms et identifiants
Pubchem Sid528774317
Sourires canoniquesOP(=O)(O)[O-].[K+]
IUPAC Namepotassium;dihydrogen phosphate
InChIKeyGNSKLFRGEWLPPA-UHFFFAOYSA-M
INCHI1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
Isomères SMILES OP(=O)(O)[O-].[K+]
WGK Allemagne 2
RTECS TC6615500
Poids moléculaire 136.09
Reaxy-Rn 11343563
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343563&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 potassium salt - inorganic phosphate
Structure 3D
Modèle de structure chimique interactif





Cibles associées (non humaines)
Iap Intestinal alkaline phosphatase (419 Activities)
Activity TypeRelationActivity valueUnitsAction TypeJournalPubMed IddoiAssay Aladdin ID
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.

13 results found

Lot NumberCertificate TypeDateArticle
F2602403Certificate of AnalysisMay 21, 2026 P434010
F2602423Certificate of AnalysisMay 21, 2026 P434010
F2602451Certificate of AnalysisMay 21, 2026 P434010
F2512405Certificate of AnalysisMay 29, 2025 P434010
F2512634Certificate of AnalysisMay 29, 2025 P434010
F2512635Certificate of AnalysisMay 29, 2025 P434010
I2525046Certificate of AnalysisMay 29, 2025 P434010
A2515118Certificate of AnalysisJun 11, 2024 P434010
F2419323Certificate of AnalysisJun 11, 2024 P434010
F2419324Certificate of AnalysisJun 11, 2024 P434010
F2419325Certificate of AnalysisJun 11, 2024 P434010
F2419326Certificate of AnalysisJun 11, 2024 P434010
J2424325Certificate of AnalysisJun 11, 2024 P434010
Propriétés chimiques et physiques
SensibilitéMoisture sensitive
Point de fusion (°C)252.6 °C
Poids moléculaire136.086 g/mol
XLogP3
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass135.933 Da
Monoisotopic Mass135.933 Da
Topological Polar Surface Area80.600 Ų
Heavy Atom Count6
Formal Charge0
Complexity61.900
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 Count2
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Installing a Redox Switch on Biomolecules: Principles, Conjugation Essentials, and an Application Guide for ATTO MB2 NHS ester
Brassinolide Plant Growth Regulator: Mechanism of Action, Application Scenarios, and Use Practices
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)
Optical & Optoelectronic Materials Selection Guide:Positioning materials, key metrics, and validation paths along “Generation → Guiding → Control → Readout” (with product navigation and Tables 1–4)
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Citations of This Product
Calculateurs de solution
Avis

Avis des clients

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View Anhydrous Grade grade guide → View ACS grade guide →

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