Fire-rated4 HourChemical Storage
FireSAFE 4X
- 4-Hour Fire-Rated
- 8 ft x 40 ft
- 57 Barrels
- 55 Gal Storage Drums
- 228 Square Feet storage
Potassium Sulfide Chemical Storage Specifications
Compliant storage and rental solutions for Potassium Sulfide (K2S). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.
Flammable hazardFlammable Storage
Chemical formula
Molecular formulaK2S
About Potassium Sulfide
Potassium Sulfide is a brownish-red solid. It is used as a reagent in analytical chemistry and in pharmaceutical preparations. * Potassium Sulfide is on the Hazardous Substance List because it is cited by DOT and NFPA. * This chemical is on the Special Health Hazard Substance List because it is CORROSIVE.
Structured hazard data
- Hazard class
- See SDS
- Storage category
- Flammable Storage
- Flammable
- Yes
- Flash point
- See SDS
- Storage temperature
- Ambient
- Recommended extinguishing agent
- Dry Chemical
- Compatibility / segregation
- Acids
Acute toxicity - Oral Category 1 Skin corrosion/irritation Category 1 Serious eye damage/eye irritation Category 1 Specific target organ toxicity (single exposure) Category 2 Category 2 respiratory system
Fire Suppression System
Dry Chemical fire suppression is recommended for Potassium Sulfide
Water
Dry Chemical · Recommended
CO₂ / Other
Guidance: Dry Chemical fire suppression is generally recommended for Potassium Sulfide (K2S). *Please consult your raw material manufacturer's safety data sheet (SDS) and your local authority having jurisdiction to verify the most adequate fire suppression extinguisher for your specific storage or use.
Additional extinguishing notes: Use extinguishing measures that are appropriate to local circumstances and the surrounding environment
Always confirm extinguishing agents against the manufacturer SDS and your authority having jurisdiction before specifying a rental building fire-suppression package.
Storage & segregation guidance
Compliant storage and rental solutions for Potassium Sulfide should account for its listed hazards, climate control needs (Ambient), and segregation requirements. Acids
Review NFPA 30 flammable liquid storage requirements and Fire-rated chemical storage rental when designing fire rating, containment, and building selection.
Properties: Odor no data available Melting point/freezing point 840 - 912 °C Boiling point, initial boiling point and boiling range no data available Flammability no data available Evaporation rate: no data available Flammability (solid, gas): no data available
Matched to this chemical
Recommended storage solutions for Potassium Sulfide
Fire rating, footprint, and containment options from the US Hazmat Rentals fleet — sized for compliant chemical storage.
Fire-rated4 HourChemical StorageFireSAFE 4X
- 4-Hour Fire-Rated
- 8 ft x 10 ft
- 12 Barrels
- 55 Gal Storage Drums
- 48 Square Feet storage
Fire-rated4 hourChemical Tote StorageSingle Tote & Pallet Storage
- 4-Hour Fire-Rated 6' Deep 1-Tote-Deep
Material handling
How do you manage your bulk chemical storage?
US Hazmat Rentals buildings are designed around the primary storage formats teams use in the field — each path opens the matching storage solution on ushazmatrentals.com.
IBC Totes
Large-volume tote storage with forklift-ready handling inside compliant buildings.
Explore solution
55 Gallon Drums
Drum and pallet-adjacent workflows sized for secondary containment and segregation.
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Palletized Materials
Pallet-in, pallet-out layouts for packaged chemicals and rack-ready inventory.
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Small Containers
Locker and cabinet-scale storage for cans, jars, and other small-format chemicals.
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We have solutions designed for your workflow process needs.
Frequently asked questions
How should Potassium Sulfide be stored?
Store Potassium Sulfide in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Consult the SDS and applicable hazard classification). Climate range guidance: Ambient. Compatibility notes: Acids US Hazmat Rentals provides compliant chemical storage buildings available for rental.
Is Potassium Sulfide flammable?
Yes — Potassium Sulfide is flagged as a flammable hazard in this database (Yes). Flash point: see SDS. Use fire-rated storage and follow NFPA 30 / applicable flammable-liquid rules where they apply.
What hazard class is Potassium Sulfide?
Potassium Sulfide is listed as: Consult the SDS and applicable hazard classification. Acute toxicity - Oral Category 1 Skin corrosion/irritation Category 1 Serious eye damage/eye irritation Category 1 Specific target organ toxicity (single exposure) Category 2 Category 2 respiratory system
What fire suppression is recommended for Potassium Sulfide?
Dry Chemical fire suppression is generally recommended for Potassium Sulfide (K2S). *Please consult your raw material manufacturer's safety data sheet (SDS) and your local authority having jurisdiction to verify the most adequate fire suppression extinguisher for your specific storage or use.
Is compliant Potassium Sulfide storage available for rent?
Yes. US Hazmat Rentals offers EPA-, OSHA-, and NFPA-compliant chemical storage buildings and containment that can be matched to Potassium Sulfide. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.