Suzhou Pharmaceutical Technology Co., Ltd. (China) supplies Potassium Sulfate CAS 7778-80-5 for pharmaceutical B2B procurement — COA, MSDS, and technical documentation available on request.
> Product Overview
Potassium Sulfate (K2SO4, CAS 7778-80-5) is an inorganic process salt used when buyers need a technical potassium/sulfate source, controlled specification, COA/MSDS documentation, and export coordination. Suzhou Pharmaceutical Technology Co., Ltd. supports potassium sulfate sourcing for B2B evaluation and commercial procurement.
This page is a technical procurement reference. Suitability for a process, formulation or local market should be confirmed by the buyer's technical and regulatory team.
> Applications and Technical Reference
Potassium sulfate is discussed for aqueous solutions, process salts, mineral matrix adjustment, and technical applications where chloride, insoluble matter and metals need specification control. Grade selection depends on specification, physical form, packaging and document requirements.
Ishii and Fujita, 1978, Journal of Chemical & Engineering Data, 23(1), 19-23, DOI: 10.1021/je60076a027, reported properties of potassium sulfate aqueous solution and crystals with n=1 salt-water system. We cite this as technical literature background only, not as a product performance claim.
> Technical Specifications
| CAS Number | 7778-80-5 |
| Product Name | Potassium Sulfate |
| Structural Formula |  |
| Common Abbreviations | K2SO4; potassium sulphate; dipotassium sulfate |
| Molecular Formula | K2O4S |
| Molecular Weight | 174.26 |
| InChIKey | OTYBMLCTZGSZBG-UHFFFAOYSA-L |
| SMILES | [O-]S(=O)(=O)[O-].[K+].[K+] |
| Appearance | White powder or crystals |
| Purity | According to agreed specification and batch COA |
| Storage | Keep closed in a dry, ventilated area |
> Sourcing and Supply Scope
Suzhou Pharmaceutical Technology Co., Ltd. supports evaluation and pilot quantities through the Suzhou technical team for evaluation and specification alignment. Commercial bulk requirements >10 kg are scaled up at qualified manufacturing facilities, with purchasing, documentation and logistics coordinated according to the agreed order scope.
Supported destinations include Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay and Uruguay in South America, together with Australia, New Zealand, Mexico and Canada.
> Quality and Documentation
For Potassium Sulfate CAS 7778-80-5, the normal documentation package includes COA and MSDS. COO can be arranged for pallet quantities and commercial export orders. Buyer-specific specifications should be reviewed before quotation.
> Packaging and Logistics
Packaging is reviewed according to form, quantity, route and moisture-protection requirements. Labels, palletization and export documents are confirmed before shipment.
> Pricing and Lead Time
Pricing depends on specification, form, packaging, quantity, documentation scope, shipment route and destination. Please request a quote with CAS 7778-80-5, target specification, quantity and destination country.
> Related Products
Related materials include potassium hydroxide, sodium sulfate, sodium carbonate anhydrous, sodium bicarbonate and other process salts.
> FAQ
What documents are normally available for Potassium Sulfate CAS 7778-80-5?
COA and MSDS are normally prepared for Potassium Sulfate CAS 7778-80-5. COO can be arranged for pallet quantities and commercial export orders when required.
Can Suzhou Pharmaceutical Technology Co., Ltd. support small potassium sulfate lots?
Yes. The Suzhou technical team supports evaluation and pilot quantities for process evaluation, specification alignment, and procurement screening.
How are Potassium Sulfate orders above 10 kg handled?
Commercial bulk requirements above 10 kg are scaled up at qualified manufacturing facilities, with batch documentation and export coordination prepared for the agreed specification.
Do you supply potassium sulfate to South America?
Yes. We support B2B buyers in Brazil, Argentina, Colombia, Chile, Peru, Ecuador, Bolivia, Paraguay and Uruguay, as well as Australia, New Zealand, Mexico and Canada.
Which potassium sulfate aliases should buyers use in an RFQ?
Useful request names include Potassium Sulfate, Potassium Sulphate, dipotassium sulfate, K2SO4, CAS 7778-80-5, and Sulfato de potasio.
Which destinations outside South America are supported?
Australia, New Zealand, Mexico and Canada are supported for B2B Potassium Sulfate inquiries, subject to shipment route and document review.
What specification details should be included in a potassium sulfate inquiry?
Please include assay target, particle form, chloride or insoluble matter limits, packaging, quantity, destination country and expected timeline.
Can buyer-defined potassium sulfate specifications be reviewed?
Yes. Buyer-defined specifications can be reviewed before quotation, including assay, chloride, heavy metals, insoluble matter and agreed release tests.
How should Potassium Sulfate be stored?
Store potassium sulfate tightly closed in a dry, ventilated area, protected from moisture, according to the MSDS and local procedures.
Can potassium sulfate be discussed with other process salts?
Yes. Buyers can discuss potassium sulfate together with KOH, sodium sulfate, sodium bicarbonate, sodium carbonate or other process salts.
> Request a Quote
For Potassium Sulfate CAS 7778-80-5, send your target specification, form, quantity, destination country, documentation needs and procurement timeline to Info@fmyykj.com. Last reviewed: 2026-06-04.