Research chemical
Potassium Sulfate
CAS Number: 7778-80-5
Product details
Identity & specification
- Molecular formula
- K2O4S
- Molecular weight
- 174.26 g/mol
- Product type
- Research-use catalog compound
- Documentation
- COA / SDS available by request
For laboratory research and professional procurement workflows.
Technical identifiers
Show PubChem, InChIKey, IUPAC, and SMILES
PubChem CID
24507
Exact Mass
173.879143
InChIKey
OTYBMLCTZGSZBG-UHFFFAOYSA-L
IUPAC Name
dipotassium;sulfate
SMILES String
[O-]S(=O)(=O)[O-].[K+].[K+]
Physical Properties
Melting Point
1067.0 °C
Density
2.66 g/cm³
Show more physical data
Refractive Index
1.494
Properties are provided as catalog reference data and may be confirmed through supplier documentation when required.
Computed Structure Descriptors
Show calculated structure fields
Heavy atom count
7
H-bond acceptors
4
H-bond donors
0
Rotatable bonds
0
Ring count
0
Aromatic rings
0
Topological polar surface area
80.26 Ų
Computed LogP
-7.33
Fragment-like structure rule
No
Lead-like structure rule
No
Drug-like structure rule
No
Structure family
other structure rule
Precious metal motif
No
Transition metal motif
No
Phosphine ligand motif
No
N-heterocycle motif
No
Boronic acid motif
No
Computed structure descriptors generated from molecular structure. These are not experimental physical property values, supplier specifications, SDS data, or bioactivity claims.
Catalog Facts
Structural features
Potassium Sulfate (CAS 7778-80-5) is listed in the Materials Science portfolio, with molecular formula K2O4S and molecular weight 174. 26 g/mol.
Sourcing context
Catalog reference for RFQ preparation, supplier confirmation, and research chemical sourcing review.
Research use context
Intended for materials chemistry research and formulation screening workflows.
Documentation needs
SDS signal word: Warning; hazard codes: H302, H315, H319, H335; For research use only.
Applications & Classification
Safety & Handling
Handling & Storage
- Including any incompatibility.
- Close tightly.
- Store in a well-ventilated area.
PPE
First Aid
- Do not give anything to an unconscious person.
- Rinse mouth with water.
Stability / Reactivity
- Reactivity and reaction.
- Metal oxides, sulfides.
Disposal
- The remaining and non-recyclable solutions should be handed over to a licensed company for disposal.
- Contact a professional institution with a waste disposal license to handle this substance.
Show additional safety reference fields
Fire Fighting
- If necessary, wear a self-contained breathing apparatus for firefighting.
Accidental Release
- Do not generate dust when collecting and disposing.
- Sweep and shovel up.
For supplier-issued SDS, request documentation before handling, storage, shipment, or procurement decisions.
Preliminary Safety Reference
For supplier-issued SDS or COA, submit a documentation request.
Safety Reference / SDS RequestCatalog navigation
Related Catalog Entries
Linked by recorded structural or research relationships, not interchangeable products. Check the exact CAS, specification and availability on the linked product page.
Procurement notes
Sourcing context and documentation notes
Show details
Procurement notes
Sourcing context and documentation notes
MolGraph uses public price and availability evidence as a starting point, then confirms current stock, quotation, COA/SDS, lot specification, lead time, and shipment documentation before final acceptance.
Package and specification
Use the quote panel for visible public options. Additional quantities or specifications can be reviewed by RFQ.
Final lot confirmation
Purity, lot identity, and batch-specific documentation are confirmed before procurement decisions.
Supply documentation
Supplier-issued COA and SDS can be requested before handling, storage, shipment, or procurement decisions.
Quotation review
Final quote depends on quantity, lead time, destination, and supplier confirmation.
Procurement questions
Is CAS 7778-80-5 in stock?
Potassium Sulfate is in stock. Estimated delivery: 5–9 business days. Submit an RFQ to confirm final price, lot specification, documentation, and destination-specific shipping terms.
How is the final price confirmed?
The page shows a public reference price in the quote panel. Submit an RFQ to confirm current price, quantity breaks, lead time, and destination-specific shipping requirements.
Can MolGraph provide COA or SDS for CAS 7778-80-5?
Yes. Supplier-issued COA and SDS can be requested during the RFQ workflow. Lot-specific documents depend on supplier and batch confirmation.