Chromium(III) potassium sulphate, GR

Name: Chromium(III) potassium sulphate, GR
Brand: Vaqora Chemicals
SKU: VQ-014545

About Chromium(III) potassium sulphate, GR

Chromium(III) potassium sulphate is a transition metal compound (AR grade) carrying the CAS registry number 7788-99-0 at a purity of ≥99%. With the molecular formula CrH24KO20S2, it has a molar mass of 499.4 g/mol. Its systematic (IUPAC) name is potassium. Chromium(3+). Disulfate. Dodecahydrate. It is also known as Chrome alum or Potassium chromium(III) sulfate dodecahydrate.

The material typically appears as a powder or crystals voilet. Literature values give a density of 1.83 g/cm3. Keep the container tightly sealed and store it in a cool, dry area. Good laboratory practice and suitable PPE are recommended during handling.

It is commonly used for analytical determinations, dyes and pigments manufacture and textile processing. Typical end-use sectors are academic and industrial research.

We offer Chromium(III) potassium sulphate in 500 g, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical determinations
Dyes & pigments manufacture
Textile processing

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Chromium(III) potassium sulphate, GR
Catalogue No.	VQ-014545
CAS Number	7788-99-0
IUPAC name	potassium;chromium(3+);disulfate;dodecahydrate
Molecular formula	CrH₂₄KO₂₀S₂
Molecular weight	499.4 g/mol
Exact mass	498.9344
Grade	AR
Purity / assay	≥99%
HSN code	28332990
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]
PubChem CID	24596

Physical properties
Physical form	Crystalline
Appearance	Powder or crystals voilet
Density	1.83 g/cm3
H-bond donors / acceptors	12 / 20
TPSA	189 Å²
Synonyms	Chrome alum, Potassium chromium(III) sulfate dodecahydrate, Chromium potassium sulfate dodecahydrate, Chromic potassium sulfate dodecahydrate, Chrome alum (dodecahydrate), Chromium(III) potassium sulfate dodecahydrate, Potassium chromium alum dodecahydrate, Chromium(III) potassium sulfate (1:1:2), dodecahydrate, Sulfuric acid, chromium(3+)potassium salt(2:1:1), dodecahydrate, CrH24KO20S2, Chromium(III)potassiumsulfatedodecahydrate

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 7788-99-0

Extra Pure

Chromium(III) potassium sulphate, 98%

CAS: 7788-99-0
Formula: CrH₂₄KO₂₀S₂
MW: 499.4 g/mol

VQ-014544

Frequently asked questions

What is the CAS number of Chromium(III) potassium sulphate, GR?

The CAS Registry Number of Chromium(III) potassium sulphate, GR is 7788-99-0. It is also known as Chrome alum, Potassium chromium(III) sulfate dodecahydrate, Chromium potassium sulfate dodecahydrate.

What is the molecular formula and molecular weight of Chromium(III) potassium sulphate, GR?

Chromium(III) potassium sulphate, GR has the molecular formula CrH24KO20S2 and a molecular weight of 499.4 g/mol.

Which grade and pack sizes of Chromium(III) potassium sulphate, GR can I order?

We supply Chromium(III) potassium sulphate, GR in AR (≥99%) grade, in 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Chromium(III) potassium sulphate, GR?

Yes. Every lot of Chromium(III) potassium sulphate, GR is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Chromium(III) potassium sulphate, GR be shipped internationally?

Yes. We export Chromium(III) potassium sulphate, GR worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.