Potassium persulphate, EP

Name: Potassium persulphate, EP
Brand: Vaqora Chemicals
SKU: VQ-047238

About Potassium persulphate, EP

Potassium persulphate (CAS 7727-21-1) is a synthetic reagent offered by Vaqora Chemicals (EP grade). Its molecular formula is K2O8S2 and its molecular weight is 270.33 g/mol. Common synonyms include Potassium peroxydisulfate and Potassium peroxodisulfate.

Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Danger” with 7 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis, reaction development and medicinal chemistry. Our customers for this product work in academic and industrial research.

We offer Potassium persulphate in 500 g, 5 kg and 50 kg packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Custom pack sizes, bulk quantities and specific analytical data can be arranged on request.

Typical applications

Organic synthesis
Reaction development
Medicinal chemistry

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Potassium persulphate, EP
Catalogue No.	VQ-047238
CAS Number	7727-21-1
IUPAC name	dipotassium;sulfonatooxy sulfate
Molecular formula	K₂O₈S₂
Molecular weight	270.33 g/mol
Exact mass	269.8309
Grade	EP
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	Other
H-bond donors / acceptors	0 / 8
TPSA	150 Å²
Synonyms	Potassium peroxydisulfate, Potassium peroxodisulfate, Potassium peroxydisulphate, Dipotassium persulfate, Dipotassium peroxydisulfate, Peroxydisulfuric acid, dipotassium salt, Potassium peroxydisulfate (K2(S2O8)), Peroxydisulfuric acid (((HO)S(O)2)2O2), dipotassium salt, Dipotassium peroxodisulphate, Peroxydisulfuric acid (((HO)S(O)2)2O2) , dipotassium salt, Peroxydisulfuric acid (((HO)S(O)2)2O2), potassium salt (1:2)

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

Extra Pure

Potassium persulphate, 98%

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

VQ-000943

Potassium persulphate, 99.99% trace metals basis

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

VQ-000944

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, EP?

The CAS Registry Number of Potassium persulphate, EP is 7727-21-1. It is also known as Potassium peroxydisulfate, Potassium peroxodisulfate, Potassium peroxydisulphate.

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

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

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

We supply Potassium persulphate, EP in EP grade, in 500 g, 5 kg, 50 kg packs. Larger bulk quantities and custom packing are quoted on request.

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

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

Yes. Potassium persulphate, EP is classified as hazardous, 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.