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Chromium(III) potassium sulfate dodecahydrate - purum p.a., ≥98.5% (RT), high purity , CAS No.7788-99-0

COA

Grade & Purity:

purum p.a.

Cas Number: 7788-99-0
Molecular Weight: 499.4
PubChem CID: 24596

In stock

Item Number

C434114

Grouped product items
SKU	Size	Availability	Price	Qty
C434114-100g	100g	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$154.90

Basic Description

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	purum p.a., ≥98.5%(RT)
Grade	purum p.a.
Product Description	General Description 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. Application Chromium(III) potassium sulfate dodecahydrate (KCr(SO 4 ) 2 .12H 2 O) 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-Cr 2 O 3 .

Taxonomic Classification

Taxonomy Tree

Kingdom Inorganic compounds
- Superclass Mixed metal/non-metal compounds
  - Class Transition metal oxoanionic compounds
    - Subclass Transition metal sulfates

Kingdom	Inorganic compounds
Superclass	Mixed metal/non-metal compounds
Class	Transition metal oxoanionic compounds
Subclass	Transition metal sulfates
Intermediate Tree Nodes	Not available
Direct Parent	Transition metal sulfates
Alternative Parents	Inorganic salts Inorganic oxides
Molecular Framework	Not available
Substituents	Transition metal sulfate - Inorganic oxide - Inorganic salt
Description	This 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
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61. DOI: 10.1186/s13321-016-0174-y

Names and Identifiers

IUPAC Name	potassium;chromium(3+);disulfate;dodecahydrate
INCHI	InChI=1S/Cr.K.2H2O4S.12H2O/c;;21-5(2,3)4;;;;;;;;;;;;/h;;2(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
InChIKey	ZFVHBEKVAITXHW-UHFFFAOYSA-J
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]
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=

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 Weight	499.400 g/mol
XLogP3
Hydrogen Bond Donor Count	12
Hydrogen Bond Acceptor Count	20
Rotatable Bond Count	0
Exact Mass	498.934 Da
Monoisotopic Mass	498.934 Da
Topological Polar Surface Area	189.000 Å²
Heavy Atom Count	24
Formal Charge	0
Complexity	62.200
Isotope Atom Count	0
Defined Atom Stereocenter Count	0
Undefined Atom Stereocenter Count	0
Defined Bond Stereocenter Count	0
Undefined Bond Stereocenter Count	0
The total count of all stereochemical bonds	0
Covalently-Bonded Unit Count	16

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