Potassium sulfate - CP, ≥98.5% , CAS No.7778-80-5

CAS: 7778-80-5 Cat. No.: P112581 Formule: K2SO4 Poids moléculaire: 174.26 Numéro CE: 231-915-5
DISPONIBLE À COMMANDE
GRADE & PURITY CP ? Chemically Pure grade — moderate purity above technical grade but below analytical. Use for general lab reactions where ultra-low impurities aren't critical. ≥98.5%
Synonyms
POTASSIUM SULFATE|7778-80-5|Dipotassium sulfate|Potassium sulphate|Sulfuric acid dipotassium salt|Arcanum duplicatum|Sulfuric acid, potassium salt|Sulfuric acid, dipotassium salt|Kalium sulphuricum|Tartarus vitriolatus|Potassiumsulfate|Caswell No. 702|Kal
Storage
Room temperature
Shipped In
Normal
★
Size
USA
Allemagne (EU)*
Price
Qty
500g
P112581-500g
En stock ≥10
1 En stock

17,90$US

26,90$US
Enregistrer 9,00 $US (33.46%)
Enter a quantity for the sizes you want to add.
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Why this grade

CP, ≥98.5% CP 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 288 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonymes
POTASSIUM SULFATE | 7778-80-5 | Dipotassium sulfate | Potassium sulphate | Sulfuric acid dipotassium salt | Arcanum duplicatum | Sulfuric acid, potassium salt | Sulfuric acid, dipotassium salt | Kalium sulphuricum | Tartarus vitriolatus | Potassiumsulfate | Caswell No. 702 | Kal
Spécifications et pureté
CP, ≥98.5%
Conditions de stockage de stockage
Room temperature
Expédié en
Normal
Grade
CP
Pureté
≥98.5%
Noms et identifiants
Pubchem Sid508815369
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/508815369
Sourires canoniques[O-]S(=O)(=O)[O-].[K+].[K+]
IUPAC Namedipotassium;sulfate
InChIKeyOTYBMLCTZGSZBG-UHFFFAOYSA-L
INCHI1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
Isomères SMILES [O-]S(=O)(=O)[O-].[K+].[K+]
Poids moléculaire 174.26
Reaxy-Rn 11343146
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343146&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 sulfates
Intermediate Tree Nodes Not available
Direct ParentAlkali metal sulfates
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Alkali metal sulfate - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as alkali metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is an alkali metal.
External Descriptors potassium salt
Structure 3D
Modèle de structure chimique interactif





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.

6 results found

Lot NumberCertificate TypeDateArticle
F2405618Certificate of AnalysisJun 13, 2024 P112581
D2415118Certificate of AnalysisApr 27, 2024 P112581
K2324291Certificate of AnalysisDec 07, 2023 P112581
F2307357Certificate of AnalysisJun 12, 2023 P112581
D2323910Certificate of AnalysisMay 04, 2023 P112581
G2220899Certificate of AnalysisJan 12, 2022 P112581
Propriétés chimiques et physiques
SensibilitéMoisture sensitive.
Point d'ébullition (°C)1689 °C/1013 hPa
Point de fusion (°C)1067°C
Poids moléculaire174.260 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass173.879 Da
Monoisotopic Mass173.879 Da
Topological Polar Surface Area88.600 Ų
Heavy Atom Count7
Formal Charge0
Complexity62.200
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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Selection of Common Research Salts: A Task Map for Alkali Metal Salts & Alkaline Earth Metal Salts (with Product Tables 1–6)
Recent Advances in Methods for Measuring Plant Protein-Related Indices and Application-Oriented Selection
Citations of This Product
Calculateurs de solution
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