Potassium phosphate monobasic - UltraPureChrom™, HPLC grade, ≥99.5%(T) , CAS No.7778-77-0

CAS: 7778-77-0 Cat. No.: P113045 Formule: KH2PO4 Poids moléculaire: 136.09 Numéro CE: 231-913-4
DISPONIBLE À COMMANDE
GRADE & PURITY UltraPureChrom™ ? UltraPureChrom™ — Aladdin's ultra-pure line for chromatography and spectroscopy. Use as a premium solvent/reagent where the lowest impurity background is required. HPLC grade ? HPLC grade — purity and low UV-absorbing impurities suited to liquid chromatography. Use as the everyday solvent/reagent for routine HPLC. ≥99.5%(T)
Synonyms
2-chloromethyl-4-methoxy-3,5-dimethyl-pyridine HCl | Potassium Dihydrogen Phosphate,(S) | POTASSIUM PHOSPHATE, MONOBASIC COMPONENT OF TIS-U-SOL | POTASSIUM PHOSPHATE, MONOBASIC [MI] | Monopotassium dihydrogen orthophosphate | Monopotassium dihydrogen phos
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Allemagne (EU)*
Price
Qty
10g
P113045-10g
9 En stock
—
11,90$US
50g
P113045-50g
7 En stock
—
35,90$US
250g
P113045-250g
4 En stock
3 En stock
120,90$US
Enter a quantity for the sizes you want to add.
🧪
Why this grade

UltraPureChrom™, HPLC grade, ≥99.5%(T) HPLC grade,UltraPureChrom™ 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.

Vue d’ensemble

Potassium phosphate monobasic (monopotassium orthophosphate) is a water soluble inorganic salt. Its standard enthalpy of formation has been reported to be -376.1kcalmol-1. It acts a starting material in the synthesis of potassium metaphosphate.

Specifications

Synonymes
2-chloromethyl-4-methoxy-3,5-dimethyl-pyridine HCl | Potassium Dihydrogen Phosphate,(S) | POTASSIUM PHOSPHATE, MONOBASIC COMPONENT OF TIS-U-SOL | POTASSIUM PHOSPHATE, MONOBASIC [MI] | Monopotassium dihydrogen orthophosphate | Monopotassium dihydrogen phos
Spécifications et pureté
UltraPureChrom™, HPLC grade, ≥99.5%(T)
Conditions de stockage de stockage
Room temperature
Expédié en
Normal
Grade
HPLC grade, UltraPureChrom™
Pureté
≥99.5%(T)
Noms et identifiants
Pubchem Sid508815697
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.

46 results found

Lot NumberCertificate TypeDateArticle
L2212170Certificate of AnalysisSep 07, 2026 P113045
H2611415Certificate of AnalysisJul 23, 2026 P113045
H2611399Certificate of AnalysisJul 23, 2026 P113045
H2611245Certificate of AnalysisJul 23, 2026 P113045
L2526352Certificate of AnalysisDec 16, 2025 P113045
L2526351Certificate of AnalysisDec 16, 2025 P113045
L2526350Certificate of AnalysisDec 16, 2025 P113045
L2526348Certificate of AnalysisDec 16, 2025 P113045
D2622077Certificate of AnalysisDec 16, 2025 P113045
G2618183Certificate of AnalysisDec 16, 2025 P113045
H2521489Certificate of AnalysisAug 01, 2025 P113045
H2521506Certificate of AnalysisAug 01, 2025 P113045
H2521490Certificate of AnalysisAug 01, 2025 P113045
G2524040Certificate of AnalysisNov 26, 2024 P113045
K2421618Certificate of AnalysisNov 26, 2024 P113045
K2421617Certificate of AnalysisNov 26, 2024 P113045
K2421616Certificate of AnalysisNov 26, 2024 P113045
K2421608Certificate of AnalysisNov 26, 2024 P113045
H2412519Certificate of AnalysisApr 18, 2023 P113045
D2314464Certificate of AnalysisApr 18, 2023 P113045
D2314399Certificate of AnalysisApr 18, 2023 P113045
D2314398Certificate of AnalysisApr 18, 2023 P113045
C2406018Certificate of AnalysisApr 18, 2023 P113045
L2212182Certificate of AnalysisDec 14, 2022 P113045
L2212148Certificate of AnalysisDec 14, 2022 P113045
L2212147Certificate of AnalysisDec 14, 2022 P113045
L2206794Certificate of AnalysisDec 08, 2022 P113045
L2206810Certificate of AnalysisDec 07, 2022 P113045
L2206830Certificate of AnalysisDec 07, 2022 P113045
L2206845Certificate of AnalysisDec 07, 2022 P113045
H2217767Certificate of AnalysisAug 24, 2022 P113045
H2217766Certificate of AnalysisAug 24, 2022 P113045
H2217765Certificate of AnalysisAug 24, 2022 P113045
H2217764Certificate of AnalysisAug 24, 2022 P113045
F2228514Certificate of AnalysisJul 04, 2022 P113045
F2228471Certificate of AnalysisJul 03, 2022 P113045
F2228458Certificate of AnalysisJul 01, 2022 P113045
E2209133Certificate of AnalysisMay 12, 2022 P113045
E2209135Certificate of AnalysisMay 12, 2022 P113045
B2223151Certificate of AnalysisMar 02, 2022 P113045
B2218046Certificate of AnalysisFeb 22, 2022 P113045
L2115077Certificate of AnalysisDec 17, 2021 P113045
C2204476Certificate of AnalysisDec 17, 2021 P113045
C2204475Certificate of AnalysisDec 17, 2021 P113045
C2204473Certificate of AnalysisDec 17, 2021 P113045
C2204470Certificate of AnalysisDec 17, 2021 P113045
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
FAQ et articles
UltraPureChrom™: The Pinnacle of Purity for Chromatography
Introduction: “Suitable for HPLC” (HPLC Grade)
Common Types of Buffer Solutions
Operational Guide for Fluorescent Labeling of Antibodies Using AF594 NHS Ester
General Principles of Antibody Labeling with NHS-Activated Esters, F/P Calculation, and Troubleshooting Guide
Mag-Fluo-4 AM Magnesium/Calcium Ion Fluorescent Probe: Properties, Experimental Use, and Aladdin Metal Ion Fluorescent Probe Selection 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
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)
Methodological essentials for mineralization visualization: Alizarin Red S staining vs. Von Kossa silver staining
Glucose Content Determination: A Systematic Review of Detection Principles, Method Validation, and Research Application Frameworks
Phytase: Enzymological Properties, Mechanism of Action, and Applications in Feed and Food
Selection Logic, Operating Parameters, and Application Boundaries of Common Cell Culture Coating Solutions
Selection Strategy for PBS, TBS, PBST, and TBST Washing Systems in IHC
Practical Guide to TSA Tyramide Signal Amplification: How to Select Reagents, Optimize the Workflow, and Reduce Background When Detection Signals Are Weak for Low-Abundance Targets
Signal Transduction Mechanism of Graphene Biosensors: From Molecular Recognition to Electrical/Optical Signal Readout and Materials Selection
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
Avis

Avis des clients

Need help choosing the grade?

Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.

View UltraPureChrom™ grade guide → View HPLC grade grade guide →

Produits apparentés

Potassium phosphate monobasic - ≥99.8% metals basis , CAS No.7778-77-0
Potassium phosphate monobasic - PrimorTrace™, ≥99.99% metals basis , CAS No.7778-77-0
Potassium phosphate monobasic - for cell culture, for insect cell culture, ≥99% , CAS No.7778-77-0
Potassium phosphate monobasic - AR, ≥99.5% , CAS No.7778-77-0
Potassium phosphate monobasic - Suitable for molecular biology, ≥99% , CAS No.7778-77-0
Potassium phosphate monobasic - ≥99% , CAS No.7778-77-0
Potassium phosphate monobasic - PrimorTrace™, ≥99.999% metals basis , CAS No.7778-77-0
Potassium phosphate monobasic - for plant cell culture, ≥99% , CAS No.7778-77-0
Potassium phosphate monobasic - PharmPure™, USP , CAS No.7778-77-0
Potassium phosphate monobasic pH standard - pH(25°C):6.684 , CAS No.7778-77-0
Potassium dihydrogen phosphate - Suitable for Analysis, Premium pure , CAS No.7778-77-0
Potassium phosphate monobasic - UltraPureChrom™, for HPLC , CAS No.7778-77-0
Potassium phosphate monobasic - anhydrous, ACS, ≥99% , CAS No.7778-77-0
Potassium dihydrogen phosphate - anhydrous, Ultra pure, ≥99.995% metals basis , CAS No.7778-77-0
Potassium phosphate monobasic - anhydrous, high-purity, Reagent grade, ≥99%(T) , CAS No.7778-77-0
Potassium phosphate monobasic - ACS , CAS No.7778-77-0
Phosphorus solution - 100μg/mL(as P) , CAS No.7778-77-0
Potassium phosphate monobasic - Anhydrous Grade, UltraBio™, Suitable for molecular biology, ≥99.5%(T) , CAS No.7778-77-0
Potassium phosphate monobasic - Suitable for molecular biology, Potassium Phosphate, Monobasic , CAS No.7778-77-0

Shall we send you a message when we have discounts available?

Remind me later

Thank you! Please check your email inbox to confirm.

Oops! Notifications are disabled.