Potassium chromate - AR, ≥99.5% , CAS No.7789-00-6

CAS: 7789-00-6 Cat. No.: P116398 Molecular Weight: 194.19 EC Number: 232-140-5
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GRADE & PURITY AR ? Analytical Reagent grade — high-purity chemicals meeting strict assay limits for lab analysis. Use when accuracy matters and trace impurities could skew results. ≥99.5%
Synonyms
5P0R38CN2X | KALI CHROMICUM [HPUS] | Caswell No. 687 | Dipotassium monochromate | EPA Pesticide Chemical Code 068301 | Q407939 | EC 232-140-5 | CCRIS 882 | dipotassium;dioxido(dioxo)chromium | DTXCID4048062 | dipotassium dioxido(dioxo)chromium
Storage
Room temperature
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500g
P116398-500g
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Why this grade

AR, ≥99.5% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Room temperature Ships FedEx DG Service 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 39 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
5P0R38CN2X | KALI CHROMICUM [HPUS] | Caswell No. 687 | Dipotassium monochromate | EPA Pesticide Chemical Code 068301 | Q407939 | EC 232-140-5 | CCRIS 882 | dipotassium;dioxido(dioxo)chromium | DTXCID4048062 | dipotassium dioxido(dioxo)chromium
Specifications & Purity
AR, ≥99.5%
Storage
Room temperature
Shipped In
FedEx DG Service
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
AR
Purity
≥99.5%
Names and Identifiers
Canonical Smiles[O-][Cr](=O)(=O)[O-].[K+].[K+]
IUPAC Namedipotassium;dioxido(dioxo)chromium
InChIKeyXMXNVYPJWBTAHN-UHFFFAOYSA-N
INCHI1S/Cr.2K.4O/q;2*+1;;;2*-1
Isomeric SMILES [O-][Cr](=O)(=O)[O-].[K+].[K+]
WGK Germany 3
UN Number 3085
Packing Group I
Molecular Weight 194.19
Reaxy-Rn 11343356
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343356&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.

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📊 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
ClassMiscellaneous mixed metal/non-metals
SubclassMiscellaneous metallic oxoanionic compounds
Intermediate Tree Nodes Not available
Direct ParentMiscellaneous chromates
Alternative Parents Alkali metal chromates  Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Chromate - Alkali metal chromate - Inorganic oxide - Inorganic salt
DescriptionThis compound belongs to the class of inorganic compounds known as miscellaneous chromates. These are inorganic compounds in which the largest metallic oxoanion is chromate, to which either no atom or a non metal atom is bonded.
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.

7 results found

Lot NumberCertificate TypeDateItem
L2516162Certificate of AnalysisDec 22, 2025 P116398
K2408674Certificate of AnalysisNov 18, 2024 P116398
H2406697Certificate of AnalysisAug 14, 2024 P116398
D2429078Certificate of AnalysisMay 22, 2024 P116398
H2315759Certificate of AnalysisAug 24, 2023 P116398
G2310035Certificate of AnalysisJul 25, 2023 P116398
B2320413Certificate of AnalysisFeb 23, 2023 P116398
Chemical and Physical Properties
Melt Point(°C)971 °C
Molecular Weight194.190 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count0
Exact Mass193.848 Da
Monoisotopic Mass193.848 Da
Topological Polar Surface Area80.300 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
References
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