Chromium potassium sulfate dodecahydrate - Reagent grade , CAS No.7788-99-0

CAS: 7788-99-0 Cat. No.: C102628 Peso molecular: 499.4 Número EC: 616-539-5
Disponible para pedir
GRADE & PURITY Reagent Grade ? General reagent-grade purity suitable for most laboratory work. Use as a dependable default when no specific higher grade is required.
Synonyms
MFCD00149917 | FT-0623789 | Chromium(III) potassium sulfate (1:1:2), dodecahydrate | CHROMIC POTASSIUM SULFATE DODECAHYDRATE [MI] | AKOS025243252 | Potassium chromium alum dodecahydrate | Chrome alum (dodecahydrate) | CCRIS 8929 | H54D055WX6 | Q27279646 |
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Estado
Price
Qty
100g
C102628-100g
4

11,90US$

19,90US$
Guardar 8,00 US$ (40.20%)
500g
C102628-500g
2

19,90US$

34,90US$
Guardar 15,00 US$ (42.98%)
12×500g
C102628-12×500g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

195,90US$

343,90US$
Guardar 148,00 US$ (43.04%)
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Why this grade

Reagent grade Reagent Grade 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Descripción general

Chromium(III) potassium sulfate dodecahydrate (Potassium chromium(III) sulfate dodecahydrate, Chrome alum) is a violet colored solid. It has been synthesized by reacting sulfur dioxide with potassium dichromate (diisolved in sulfuric acid) at -38°C. It is widely used chemical in dyeing and textile industry.
Chromium(III) potassium sulfate dodecahydrate (KCr(SO4)2.12H2O) may be used for coating the slides for microscopic studies on Periplaneta americana.It may be used in the preparation of quasi-monodisperse spherical core-shell particles of Cr/α-Cr2O3.

Specifications

Sinónimos
MFCD00149917 | FT-0623789 | Chromium(III) potassium sulfate (1:1:2), dodecahydrate | CHROMIC POTASSIUM SULFATE DODECAHYDRATE [MI] | AKOS025243252 | Potassium chromium alum dodecahydrate | Chrome alum (dodecahydrate) | CCRIS 8929 | H54D055WX6 | Q27279646 |
Especificaciones y pureza
Reagent grade
Condiciones de almacenamiento de almacenamiento
Room temperature
Enviado en
Normal
Grado
Reagent Grade
Nombres e identificadores
Pubchem Sid488182906
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488182906
Sonrisas canónicasO.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[K+].[Cr+3]
IUPAC Namepotassium;chromium(3+);disulfate;dodecahydrate
InChIKeyZFVHBEKVAITXHW-UHFFFAOYSA-J
INCHI1S/Cr.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
Isómeros SMILES O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[K+].[Cr+3]
WGK Alemania 2
Peso molecular 499.4
Reaxy-Rn 16484167
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=16484167&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.

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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
ClaseTransition metal oxoanionic compounds
SubclassTransition metal sulfates
Intermediate Tree Nodes Not available
Direct ParentTransition metal sulfates
Alternative Parents Inorganic salts  Inorganic oxides  
Molecular FrameworkNot available
Substituents Transition metal sulfate - Inorganic oxide - Inorganic salt
DescripciónThis compound belongs to the class of inorganic compounds known as transition metal sulfates. These are inorganic compounds in which the largest oxoanion is sulfate, and in which the heaviest atom not in an oxoanion is a transition metal.
External Descriptors Not available
Estructura 3D
Modelo de Estructura Química Interactiva





Certificados (CoA, COO, BSE/TSE y tabla de análisis)
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.

16 results found

Lot NumberCertificate TypeFechaArticulo
C2631222Certificate of AnalysisMar 17, 2026 C102628
C2631223Certificate of AnalysisMar 17, 2026 C102628
B2223350Certificate of AnalysisDec 10, 2025 C102628
G2517012Certificate of AnalysisJul 19, 2025 C102628
H2124090Certificate of AnalysisJun 09, 2025 C102628
A2503790Certificate of AnalysisJan 07, 2025 C102628
A2503791Certificate of AnalysisJan 07, 2025 C102628
F23251302Certificate of AnalysisJul 04, 2023 C102628
F23251279Certificate of AnalysisJul 01, 2023 C102628
F23251290Certificate of AnalysisJul 01, 2023 C102628
F23251301Certificate of AnalysisJul 01, 2023 C102628
E23291287Certificate of AnalysisJun 29, 2023 C102628
B2223342Certificate of AnalysisFeb 26, 2022 C102628
B2303777Certificate of AnalysisFeb 26, 2022 C102628
H2202100Certificate of AnalysisFeb 26, 2022 C102628
H2202102Certificate of AnalysisFeb 26, 2022 C102628

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Propiedades químicas y físicas
SensibilidadMoisture sensitive.
Punto de fusión (°C)89°C
Peso molecular499.400 g/mol
XLogP3
Hydrogen Bond Donor Count12
Hydrogen Bond Acceptor Count20
Rotatable Bond Count0
Exact Mass498.934 Da
Monoisotopic Mass498.934 Da
Topological Polar Surface Area189.000 Ų
Heavy Atom Count24
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 Count16
Preguntas frecuentes y artículos
Calculadoras de soluciones
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