
FireSAFE 4X
- 4-Hour Fire-Rated
- 8 ft x 40 ft
- 57 Barrels
- 55 Gal Storage Drums
- 228 Square Feet storage
Compliant storage and rental solutions for Arsenic Trisulfide (As2S3). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.

Arsenic Trisulfide is a yellow solid that is used in pigments, fireworks, and other pyrotechnics. It is also used as a semiconductor in the electronics industry.
This substance is an oxidizer and can increase the risk of fire and explosion when in contact with flammable materials.
Dry Chemical fire suppression is recommended for Arsenic Trisulfide
Guidance: Dry Chemical fire suppression is generally recommended for Arsenic Trisulfide (As2S3). *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: SMALL FIRE: Dry chemical, CO2 or water spray. LARGE FIRE: Water spray, fog or regular foam.
Always confirm extinguishing agents against the manufacturer SDS and your authority having jurisdiction before specifying a rental building fire-suppression package.
Compliant storage and rental solutions for Arsenic Trisulfide should account for its listed hazards (Oxidizer (Division 5.1)), climate control needs (Store in a cool, dry, well-ventilated area away from heat, sparks, and flames.), and segregation requirements. Keep away from strong acids, alkalis, and reducing agents.
Review NFPA 30 flammable liquid storage requirements and Fire-rated chemical storage rental when designing fire rating, containment, and building selection.
Properties: Yellow solid, insoluble in water, Melting point:300 °C, Boiling Point: 707 °C
Matched to this chemical
Fire rating, footprint, and containment options from the US Hazmat Rentals fleet — sized for compliant chemical storage.



Material handling
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.

Large-volume tote storage with forklift-ready handling inside compliant buildings.
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Drum and pallet-adjacent workflows sized for secondary containment and segregation.
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Pallet-in, pallet-out layouts for packaged chemicals and rack-ready inventory.
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Locker and cabinet-scale storage for cans, jars, and other small-format chemicals.
Explore solutionWe have solutions designed for your workflow process needs.
Store Arsenic Trisulfide in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Oxidizer (Division 5.1)). Climate range guidance: Store in a cool, dry, well-ventilated area away from heat, sparks, and flames.. Compatibility notes: Keep away from strong acids, alkalis, and reducing agents. US Hazmat Rentals provides compliant chemical storage buildings available for rental.
Yes — Arsenic Trisulfide is flagged as a flammable hazard in this database (Yes). Flash point: Not applicable. Use fire-rated storage and follow NFPA 30 / applicable flammable-liquid rules where they apply.
Arsenic Trisulfide is listed as: Oxidizer (Division 5.1). This substance is an oxidizer and can increase the risk of fire and explosion when in contact with flammable materials.
Dry Chemical fire suppression is generally recommended for Arsenic Trisulfide (As2S3). *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.
Yes. US Hazmat Rentals offers EPA-, OSHA-, and NFPA-compliant chemical storage buildings and containment that can be matched to Arsenic Trisulfide. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.