Potassium peroxydisulfate, ACS, 99.0% min

Description

CAS: 7727-21-1 | K2O8S2 | 270.309 g/mol

Potassium persulfate is a powerful oxidant, commonly used to initiate polymerizations. Potassium Persulphate used for bleaching and textile desizing, as an oxidizing agent and antiseptic, in purification of ammonium sulfate, and in the manufacture of soap and pharmaceuticals. It is also used as al laboratory oxidant and photography chemical. It is a food additive.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

Chemical Identifiers

• CAS: 7727-21-1
• Molecular Formula: K2O8S2
• Molecular Weight (g/mol): 270.309
• MDL Number: MFCD00011386
• InChI Key: USHAGKDGDHPEEY-UHFFFAOYSA-L
• Synonym: potassium persulfate, anthion, potassium peroxydisulfate, potassium peroxodisulfate, dipotassium peroxydisulfate, potassium peroxydisulphate, dipotassium persulfate, caswell no. 700, dipotassium peroxodisulphate, unii-6b86k0mczc
• PubChem CID: 24412
• IUPAC Name: dipotassium;sulfonatooxy sulfate
• SMILES: [O-]S(=O)(=O)OOS(=O)(=O)[O-].[K+].[K+]

• Melting Point: 100°C (dec.)
• Color: White
• Physical Form: Crystalline
• Quantity: 250 g
• Linear Formula: K₂S₂O₈
• UN Number: UN1492
• Merck Index: 14,7656
• Solubility Information: It is highly soluble in water. It is insoluble in alcohol.
• Formula Weight: 270.31
• Percent Purity: ≥99.0%
• Grade: ACS
• Odor: Odorless
• Density: 2.477 g/mL
• Chemical Name or Material: Potassium peroxydisulfate

Safety and Handling

Hazard Category	H272-H302-H315-H317-H319-H334-H335
Hazard Statement	GHS H Statement H334-H272-H302-H335-H315-H319-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. May intensify fire oxidizer. Harmful if swallowed. May cause respiratory irritation. Causes skin irritation. Causes serious eye irritation. May cause an allergic skin reaction.
Precautionary Statement	P210-P220-P221-P261-P264b-P270-P271-P272-P280-P285-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P333+P313-P342+P311-P362-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 5.1; Packing Group: III; Proper Shipping Name: POTASSIUM PERSULFATE
EINECSNumber	231-781-8
RTECSNumber	SE0400000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only