Potassium sulfate - PrimorTrace™, ≥99.99% metals basis , CAS No.7778-80-5

CAS: 7778-80-5 Cat. No.: P112584 Formula: K2SO4 Molecular Weight: 174.26 EC Number: 231-915-5
AVAILABLE TO ORDER
GRADE & PURITY PrimorTrace™ ? PrimorTrace™ — Aladdin's trace-metal-analysis line with ultra-low metal background. Use for ICP/AAS trace-metal work where contamination must be minimal. ≥99.99% metals basis
Synonyms
Kalium sulphuricum | Dipotassium sulfate | Caswell No. 702 | Sulfuric acid, potassium salt | Sulfuric acid, potassium salt | Tartarus vitriolatus | Potassium sulphate | Potassiumsulfate | POTASSIUM SULFATE | Sulfuric acid dipotassium salt | Arcanum duplic
Storage
Room temperature
Shipped In
Normal
★
Size
Germany (EU)
USA*
Price
Qty
5g
P112584-5g
—
2 In stock
€8.59
25g
P112584-25g
—
7 In stock
€14.66
100g
P112584-100g
—
In stock ≥10
€41.56
500g
P112584-500g
1 In stock
1 In stock
€143.96
Enter a quantity for the sizes you want to add.
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Why this grade

PrimorTrace™, ≥99.99% metals basis PrimorTrace™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships Normal Check lot-specific COA for exact specifications.

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Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

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Literature proof

Cited in 288 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
Kalium sulphuricum | Dipotassium sulfate | Caswell No. 702 | Sulfuric acid, potassium salt | Sulfuric acid, potassium salt | Tartarus vitriolatus | Potassium sulphate | Potassiumsulfate | POTASSIUM SULFATE | Sulfuric acid dipotassium salt | Arcanum duplic
Specifications & Purity
PrimorTrace™, ≥99.99% metals basis
Storage
Room temperature
Shipped In
Normal
Grade
PrimorTrace™
Purity
≥99.99% metals basis
Names and Identifiers
Pubchem Sid
Canonical Smiles
[O-]S(=O)(=O)[O-].[K+].[K+]
IUPAC Name
dipotassium;sulfate
InChIKey
OTYBMLCTZGSZBG-UHFFFAOYSA-L
INCHI
1S/2K.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2
Isomeric SMILES
[O-]S(=O)(=O)[O-].[K+].[K+]
Molecular Weight
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.

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✅ 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.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomInorganic compounds
SuperclassMixed metal/non-metal compounds
ClassAlkali 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
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

45 results found

Lot NumberCertificate TypeDateItem
J2613807Certificate of AnalysisSep 15, 2026 P112584
J2613826Certificate of AnalysisSep 15, 2026 P112584
J2613838Certificate of AnalysisSep 15, 2026 P112584
J2613846Certificate of AnalysisSep 15, 2026 P112584
L2215463Certificate of AnalysisSep 07, 2026 P112584
L2215276Certificate of AnalysisSep 07, 2026 P112584
G2630533Certificate of AnalysisJul 14, 2026 P112584
E2619579Certificate of AnalysisMay 06, 2026 P112584
E2619503Certificate of AnalysisMay 06, 2026 P112584
E2619501Certificate of AnalysisMay 06, 2026 P112584
E2619499Certificate of AnalysisMay 06, 2026 P112584
C2602114Certificate of AnalysisFeb 04, 2026 P112584
C2602115Certificate of AnalysisFeb 04, 2026 P112584
H2529500Certificate of AnalysisAug 15, 2025 P112584
F2530314Certificate of AnalysisApr 26, 2025 P112584
F2530214Certificate of AnalysisApr 26, 2025 P112584
F2530294Certificate of AnalysisApr 26, 2025 P112584
C2503346Certificate of AnalysisFeb 19, 2025 P112584
C2503334Certificate of AnalysisFeb 19, 2025 P112584
C2503193Certificate of AnalysisFeb 19, 2025 P112584
A2503586Certificate of AnalysisDec 19, 2024 P112584
A2503581Certificate of AnalysisDec 19, 2024 P112584
I2414293Certificate of AnalysisJul 27, 2024 P112584
H2415485Certificate of AnalysisJul 27, 2024 P112584
H2415501Certificate of AnalysisJul 27, 2024 P112584
I2414279Certificate of AnalysisJul 27, 2024 P112584
I2414280Certificate of AnalysisJul 27, 2024 P112584
I2414281Certificate of AnalysisJul 27, 2024 P112584
H2526626Certificate of AnalysisJul 03, 2024 P112584
D2415121Certificate of AnalysisMar 26, 2024 P112584
D2415120Certificate of AnalysisMar 26, 2024 P112584
D2415119Certificate of AnalysisMar 26, 2024 P112584
L2215300Certificate of AnalysisOct 29, 2022 P112584
L2215461Certificate of AnalysisOct 29, 2022 P112584
L2215476Certificate of AnalysisOct 29, 2022 P112584
B23111242Certificate of AnalysisOct 29, 2022 P112584
B23111236Certificate of AnalysisOct 29, 2022 P112584
B23111232Certificate of AnalysisOct 29, 2022 P112584
B23111142Certificate of AnalysisOct 29, 2022 P112584
B23111141Certificate of AnalysisOct 29, 2022 P112584
G2408053Certificate of AnalysisJul 05, 2022 P112584
G2220900Certificate of AnalysisJul 05, 2022 P112584
G2220896Certificate of AnalysisJul 05, 2022 P112584
G2220895Certificate of AnalysisJul 05, 2022 P112584
G2220813Certificate of AnalysisJul 05, 2022 P112584
Chemical and Physical Properties
SensitivityMoisture sensitive.
Boil Point(°C)1689 °C/1013 hPa
Melt Point(°C)1067°C
Molecular Weight174.260 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
Documents & Articles
Citations of This Product
Solution Calculators
Reviews

Customer Reviews

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