Chromium(III) potassium sulfate dodecahydrate - Ph.Eur., Suitable for Analysis, ACS, Premium pure , CAS No.7788-99-0

CAS: 7788-99-0 Cat. No.: C434115 Molecular Weight: 499.4 EC Number: 616-539-5
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GRADE & PURITY Ph.Eur. ? European Pharmacopoeia grade — conforms to Ph.Eur. monographs across EU member states. Use for pharmaceutical work needing European compendial compliance. Suitable for Analysis ? Suitable-for-analysis grade — purity adequate for general analytical procedures. Use as a dependable analytical reagent across routine methods. ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. Premium pure ? Premium pure grade combining high purity with premium QC. Use for high-stakes work needing both cleanliness and lot consistency.
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
Status
Price
Qty
250g
C434115-250g
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$356.90

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Why this grade

Ph.Eur., Suitable for Analysis, ACS, Premium pure ACS,Ph.Eur.,Premium pure,Suitable for Analysis 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.

Specifications

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 |
Specifications & Purity
Ph.Eur., Suitable for Analysis, ACS, Premium pure
Storage
Room temperature
Shipped In
Normal
Grade
ACS, Ph.Eur., Premium pure, Suitable for Analysis
Names and Identifiers
Canonical SmilesO.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
Isomeric 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 Germany 2
Molecular Weight 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.

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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
ClassTransition 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
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Melt Point(°C)89°C
Molecular Weight499.400 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
Documents & Articles
Solution Calculators
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