Potassium phosphate tribasic - ≥95% , CAS No.7778-53-2

CAS: 7778-53-2 Cat. No.: P299360 Fórmula: K3PO4 Peso molecular: 212.27 Número CE: 231-907-1
Disponível para encomenda
GRADE & PURITY ≥95%
Synonyms
potassium phosphate, tribasic, n-hydrate | potassium-phosphate | 16D59922JU | POTASSIUM PHOSPHATE, TRIBASIC ANHYDROUS | DTXSID3043994 | FT-0688089 | Tripotasium phosphate | A915279 | Tripotassium orthophosphate | tri-Potassium orthophosphate | Potassium p
Storage
Room temperature,Argon charged,Desiccated
Shipped In
Normal
★
Size
Alemanha (EU)
USA*
Price
Qty
500g
P299360-500g
—
3 Em stock

12,93€

19,87€
Gravar 6,94 € (34.93%)
6×500g
P299360-6×500g
Sob encomenda · 8–12 semanas

64,99€

97,97€
Gravar 32,97 € (33.66%)
20×500g
P299360-20×500g
Sob encomenda · 8–12 semanas

219,45€

329,65€
Gravar 110,20 € (33.43%)
Enter a quantity for the sizes you want to add.
🧪
Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature,Argon charged,Desiccated 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 71 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Visão geral

Potassium phosphate tribasic is a reagent with a very high buffering capacity. Widely used in molecular biology, biochemistry, and chromatography. Potassium phosphate occurs in several forms: monobasic (KH2PO4), dibasic (K2HPO4), and tribasic (K3PO4). Neutral potassium phosphate buffer solutions may be prepared with a mixture of the monobasic and dibasic forms to varying degrees, depending on the desired pH. Potassium Phosphate buffers are very useful in numerous applications, but with the following limitations; precipitation of Ca2+ and Mg2+, inhibition of restriction enzyme activity, and interference in DNA ligation or bacterial transformation protocols. Has been used to study the effects of freezing and thawing on the stability of proteins sensitive to conformational changes; it was found that potassium phosphate buffers offered improved pH stability as opposed to sodium phosphate buffers. Potassium Phosphate has also been used for the extraction of keratohyalin protein from bovine tissue.

Specifications

Sinónimos
potassium phosphate, tribasic, n-hydrate | potassium-phosphate | 16D59922JU | POTASSIUM PHOSPHATE, TRIBASIC ANHYDROUS | DTXSID3043994 | FT-0688089 | Tripotasium phosphate | A915279 | Tripotassium orthophosphate | tri-Potassium orthophosphate | Potassium p
Especificações e pureza
≥95%
Condições de armazenamento de armazenamento
Room temperature,Argon charged,Desiccated
Enviado em
Normal
Pureza
≥95%
Nomes e identificadores
Pubchem Sid
Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/508815680
Sorrisos canónicos
[O-]P(=O)([O-])[O-].[K+].[K+].[K+]
IUPAC Name
tripotassium;phosphate
InChIKey
LWIHDJKSTIGBAC-UHFFFAOYSA-K
INCHI
1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
SMILES isoméricas
[O-]P(=O)([O-])[O-].[K+].[K+].[K+]
CAS alternativo
115281-28-2
Peso molecular
212.27
Reaxy-Rn
11343346
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343346&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
DescriçãoThis 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 Not available
Estrutura 3D
Modelo de Estrutura Química Interativa





Certificados(CoA,COO,BSE/TSE e Mapa de Análise)
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.

9 results found

Lot NumberCertificate TypeDataItem
C2209455Certificate of AnalysisDec 10, 2025 P299360
C2209470Certificate of AnalysisDec 10, 2025 P299360
I2126545Certificate of AnalysisJul 10, 2025 P299360
L2313127Certificate of AnalysisDec 26, 2023 P299360
L1902066Certificate of AnalysisSep 07, 2023 P299360
G23051283Certificate of AnalysisJul 13, 2023 P299360
G23051285Certificate of AnalysisJul 13, 2023 P299360
C2317617Certificate of AnalysisNov 17, 2022 P299360
C2317726Certificate of AnalysisNov 17, 2022 P299360
Propriedades químicas e físicas
SolubilidadeSoluble in water (100 mg/mL). Insoluble in alcohol.
Sensibilidademoisture sensitive
Peso molecular212.266 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass211.845 Da
Monoisotopic Mass211.845 Da
Topological Polar Surface Area86.300 Ų
Heavy Atom Count8
Formal Charge0
Complexity36.800
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 Count4
FAQs e artigos
One-Stop Handbook for Palladium-Catalyzed Reactions: Catalytic Cycles, Deactivation Troubleshooting, Ligand/Precatalyst Selection, and an Aladdin Reference List
Selection of Common Research Salts: A Task Map for Alkali Metal Salts & Alkaline Earth Metal Salts (with Product Tables 1–6)
Make “Aryl Chlorides + Low Pd Loading + Scale-Up Reproducibility” Reliable: The Initiation and Durability Logic of Pd–NHC (Palladium–N-Heterocyclic Carbene) Cross-Coupling (with Selection Navigation and Product Tables)
Choosing Boron Sources to Make Reactions Robust: How Boronic Acids, Boronate Esters, BF₃K Salts, and MIDA Improve Suzuki–Miyaura Start-Up and Scale-Up Reproducibility (with Product Tables 1–5)
How to Make the Suzuki–Miyaura Reaction Robust: Pinpoint the Bottleneck and Lock in a Reproducible Operating Window (with Selection Navigation and Product Tables 1–5)
Haloheterocycles and Cross-Coupling: A Research-Oriented Selection Framework from Substrate Identification to Bond-Forming Routes (Including Product Navigation and Tables 1–5)
Experimental Decision-Making for Cross-Coupling Reactions: Target Bond Type, Substrate Combination, and Catalytic System Selection
Deoxyfluorination of Hydroxyalkyl-Substituted Aryl/Alkenyl Boronates: C–F Bond Construction and C–B Bond Retention via a BF3K Intermediate
Overcoming the Electronic-Effect Limitations of Nucleophilic Aromatic Substitution in Fluoroarenes: Anion Activation, Concerted Substitution, and HF Capture by t-Bu-P4
Air Decomposition of Solid Sodium Methoxide and Sodium Ethoxide—Effects on Cross-Coupling Reaction Optimization and Reproducibility
From Temporary Covalent Assembly to Intramolecular Smiles Aryl Migration: DCPDC-Mediated Phenol–Primary Amine C–N Cross-Coupling
Aminative Suzuki–Miyaura Coupling: Bond-Formation Order and Chemoselectivity Control in the Transformation from Ar–Ar′ to Ar–NH–Ar′
Citations of This Product
Calculadoras de soluções
Revisões

Avaliações dos Clientes

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.