Potassium persulphate, 98%

Name: Potassium persulphate, 98%
Brand: Vaqora Chemicals
SKU: VQ-000943

About Potassium persulphate, 98%

Listed under CAS 7727-21-1, Potassium persulphate is a synthetic reagent available from Vaqora Chemicals in Extra Pure grade with a typical assay of 98%. Formula K2O8S2, molecular weight 270.33 g/mol. The IUPAC name is dipotassium. Sulfonatooxy sulfate. Common synonyms include Potassium peroxodisulfate and Anthion.

It is supplied as a powder. Reported physical data include a melting point of 100 °C (dec.) and a density of 2.48 g/cm3 at 20 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include organic synthesis, reaction development, medicinal chemistry and polymer and resin production. Typical end-use sectors are academic and industrial research and polymers and plastics.

Available in 500 g, 5 kg, 25 kg and 4 x 25 kg packs, Potassium persulphate is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry
Polymer & resin production

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium persulphate, 98%
Catalogue No.	VQ-000943
CAS Number	7727-21-1
IUPAC name	dipotassium;sulfonatooxy sulfate
Molecular formula	K₂O₈S₂
Molecular weight	270.33 g/mol
Exact mass	269.8309
Grade	Extra Pure
Purity / assay	98%
HSN code	28334000
InChIKey	USHAGKDGDHPEEY-UHFFFAOYSA-L
SMILES	[O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]
PubChem CID	24412

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	100 °C (dec.)
Density	2.48 g/cm3 at 20 °C
H-bond donors / acceptors	0 / 8
TPSA	150 Å²
UN number	UN 1492
Synonyms	Potassium peroxodisulfate, Anthion, Dipotassium persulfate, Potassium Persulphate, Potassium peroxydisulfate, Potassium peroxydisulphate, Dipotassium persulfate, Dipotassium peroxydisulfate, Peroxydisulfuric acid, dipotassium salt, Potassium peroxydisulfate (K2(S2O8)), Peroxydisulfuric acid (((HO)S(O)2)2O2), dipotassium salt, K2S2O8, Dipotassium peroxodisulphate

Safety & hazard information (GHS)

Oxidiser

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H272May intensify fire, oxidizer
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
H335May cause respiratory irritation

Precautionary statements: P210, P220, P233, P260, P261, P264, P264 + P265, P270, P271, P272, P280, P284, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P333 + P317, P337 + P317, P342 + P316, P362 + P364

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 7727-21-1

Potassium persulphate, 99.99% trace metals basis

CAS: 7727-21-1
Formula: K₂O₈S₂
MW: 270.33 g/mol

VQ-000944

EP

Potassium persulphate, EP

CAS: 7727-21-1
Formula: K₂O₈S₂
MW: 270.33 g/mol

VQ-047238

AR

Potassium persulphate, GR 98%+

CAS: 7727-21-1
Formula: K₂O₈S₂
MW: 270.33 g/mol

VQ-000945

Frequently asked questions

What is the CAS number of Potassium persulphate, 98%?

The CAS Registry Number of Potassium persulphate, 98% is 7727-21-1. It is also known as Potassium peroxodisulfate, Anthion, Dipotassium persulfate, Potassium Persulphate.

What is the molecular formula and molecular weight of Potassium persulphate, 98%?

Potassium persulphate, 98% has the molecular formula K2O8S2 and a molecular weight of 270.33 g/mol.

Which grade and pack sizes of Potassium persulphate, 98% can I order?

We supply Potassium persulphate, 98% in Extra Pure (98%) grade, in 500 g, 5 kg, 25 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Potassium persulphate, 98%?

Yes. Every lot of Potassium persulphate, 98% 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 Potassium persulphate, 98% be shipped internationally?

Yes. Potassium persulphate, 98% is classified as hazardous (UN 1492), so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.