Preliminary reference disclaimer
This preliminary safety reference is generated from structured MolGraph catalog fields and public reference-style data. It is not a supplier-issued Safety Data Sheet and should not be used as a substitute for supplier-issued documentation, workplace safety review, transport classification, or regulatory compliance decisions. For supplier SDS or COA, submit a documentation request through MolGraph.
Documentation status
Preliminary safety reference
Available
Supplier-issued SDS
Available by request
COA
Available by RFQ / lot confirmation
Transport classification
Requires shipment review
Identity
CAS Number
7778-80-5
Chemical name
Potassium Sulfate
Molecular formula
K2O4S
Molecular weight
174.26 g/mol
Synonyms
Dipotassium sulfate; Potassium sulphate; Sulfuric acid dipotassium salt; Arcanum duplicatum; Sulfuric acid, dipotassium salt; Kalium sulphuricum; Tartarus vitriolatus; Kali sulphuricum; K2SO4; Potassium (as sulfate); Potassium sulfate (K2(SO4)); Sulfuric acid potassium salt (1:2)
InChIKey
OTYBMLCTZGSZBG-UHFFFAOYSA-L
PubChem CID
24507
Hazard / GHS Reference
Signal word
Warning
Catalog reference cue; confirm supplier documentation before use.
Hazard statements
H302, H315, H319, H335
Catalog reference cue; confirm supplier documentation before use.
Handling & PPE
- Including any incompatibility. Close tightly. Dry. Store in a well-ventilated area. Recommended storage conditions: Purge, room temperature
- If exposed to a harmful environment, use a P95 (US) or P1 (EU UK 143) particulate respirator. For higher level of protection, use an OV/AG/P99 (US) or ABEK-P2 (EU UK 143) gas filter. Respirators must be tested and approved by government standards such as NIOSH (US) or CEN (EU).
- 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. Burn in a chemical incinerator with post-combustion and scrubbing capabilities, if soluble or mixed with flammable solvents. Burn contaminated packaging. Contaminated packaging should be disposed of as unutilized product.
First Aid / Accidental Release
- Do not give anything to an unconscious person. Rinse mouth with water. Consult a physician.
- If inhaled, move the person to fresh air. If breathing stops, perform artificial respiration. Consult a physician.
- Rinse with plenty of water for at least 15 minutes and consult a physician.
- Wash with soap and plenty of water. Consult a physician.
- Do not generate dust when collecting and disposing. Sweep and shovel up. Place in a suitable closed container for disposal.
- Do not allow the product to enter drains.
- 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. Burn in a chemical incinerator with post-combustion and scrubbing capabilities, if soluble or mixed with flammable solvents. Burn contaminated packaging. Contaminated packaging should be disposed of as unutilized product.
Firefighting / Stability
- If necessary, wear a self-contained breathing apparatus for firefighting.
- Reactivity and reaction
- Metal oxides, sulfides
Physical and Chemical Reference
Melting Point
1067.0 °C
Catalog reference value; verify against supplier SDS before use.
Density
2.66 g/cm³
Catalog reference value; verify against supplier SDS before use.
Refractive Index
1.494
Catalog reference value; verify against supplier SDS before use.
Transport / Shipment Review
Shipment review
Shipment details require review before fulfillment.
Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.
- Transport classification must be confirmed using supplier SDS and shipment documentation before dispatch.