
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 Chlorosulfonic Acid (HSO3Cl). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.

Chlorosulphonic Acid is a colorless to yellow, slightly cloudy, fuming liquid. It has a sharp odor and is used to make detergents, pharmaceuticals, dyes, pesticides and resins.
Category 1A Skin corrosion. Category 1 serious eye damage. Category 3 target organs
Dry Chemical fire suppression is recommended for Chlorosulfonic Acid
Guidance: Dry Chemical fire suppression is generally recommended for Chlorosulfonic Acid (HSO3Cl). *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 or CO2 LARGE FIRE: Flood fire area with large quantities of water,
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 Chlorosulfonic Acid should account for its listed hazards, climate control needs (dry, cool place.), and segregation requirements. Avoid storing with Acids, Bases, Alcohols, Amines, Butyl rubber, Finely powdered metals
Review NFPA 30 flammable liquid storage requirements and Fire-rated chemical storage rental when designing fire rating, containment, and building selection.
Properties: Melting point: -80 C. Boiling point: 151 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 Chlorosulfonic Acid in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Consult the SDS and applicable hazard classification). Climate range guidance: dry, cool place.. Compatibility notes: Avoid storing with Acids, Bases, Alcohols, Amines, Butyl rubber, Finely powdered metals US Hazmat Rentals provides compliant chemical storage buildings available for rental.
Yes — Chlorosulfonic Acid is flagged as a flammable hazard in this database (Yes). Flash point: N/A. Use fire-rated storage and follow NFPA 30 / applicable flammable-liquid rules where they apply.
Chlorosulfonic Acid is listed as: Consult the SDS and applicable hazard classification. Category 1A Skin corrosion. Category 1 serious eye damage. Category 3 target organs
Dry Chemical fire suppression is generally recommended for Chlorosulfonic Acid (HSO3Cl). *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 Chlorosulfonic Acid. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.