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
Paraformaldehyde Chemical Storage Specifications
Compliant storage and rental solutions for Paraformaldehyde (OH(CH2O)nH(n=8-100)). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.
Flammable hazardFlammable Storage
Chemical formula
Molecular formulaOH(CH2O)nH(n=8-100)
About Paraformaldehyde
Paraformaldehyde is a white, crystalline (sand-like) solid with an odor of Formaldehyde. It is used as an agricultural chemical, fungicide, bactericide, analytical reagent and wood preservative.
Structured hazard data
- Hazard class
- Category 2 Flammable Solids
- Storage category
- Flammable Storage
- Flammable
- Yes
- Flash point
- 71 °C / 159.8 °F
- Storage temperature
- store PFA solution at room temperature, for 1-2 weeks or at 4oC for a few weeks. For long term storage (up to a year) at -20o C
- Recommended extinguishing agent
- Dry Chemical
- Compatibility / segregation
- araformaldehyde is not compatible with OXIDIZING AGENTS (such as PERCHLORATES, PEROXIDES, PERMANGANATES, CHLORATES, NITRATES, CHLORINE, BROMINE
Acute oral toxicity Category 4 Acute Inhalation Toxicity - Dusts and Mists Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Carcinogenicity Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Combustible dust Yes
Fire Suppression System
Dry Chemical fire suppression is recommended for Paraformaldehyde
Water
Dry Chemical · Recommended
CO₂ / Other
Guidance: Dry Chemical fire suppression is generally recommended for Paraformaldehyde (OH(CH2O)nH(n=8-100)). *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: Water spray, carbon dioxide (CO2), dry chemical, alcohol-resistant foam. Water mist maybe used to cool closed containers.
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 Paraformaldehyde should account for its listed hazards (Category 2 Flammable Solids), climate control needs (store PFA solution at room temperature, for 1-2 weeks or at 4oC for a few weeks. For long term storage (up to a year) at -20o C), and segregation requirements. araformaldehyde is not compatible with OXIDIZING AGENTS (such as PERCHLORATES, PEROXIDES, PERMANGANATES, CHLORATES, NITRATES, CHLORINE, BROMINE
Review NFPA 30 flammable liquid storage requirements and Fire-rated chemical storage rental when designing fire rating, containment, and building selection.
Properties: Physical State Solid Appearance White Odor pungent Odor Threshold No information available pH 3.5-5.0 10% susp Melting Point/Range 120 - 170 °C / 248 - 338 °F Boiling Point/Range No information available Flash Point 71 °C / 159.8 °F
Matched to this chemical
Recommended storage solutions for Paraformaldehyde
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.
Explore solution
We have solutions designed for your workflow process needs.
Frequently asked questions
How should Paraformaldehyde be stored?
Store Paraformaldehyde in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Category 2 Flammable Solids). Climate range guidance: store PFA solution at room temperature, for 1-2 weeks or at 4oC for a few weeks. For long term storage (up to a year) at -20o C. Compatibility notes: araformaldehyde is not compatible with OXIDIZING AGENTS (such as PERCHLORATES, PEROXIDES, PERMANGANATES, CHLORATES, NITRATES, CHLORINE, BROMINE US Hazmat Rentals provides compliant chemical storage buildings available for rental.
Is Paraformaldehyde flammable?
Yes — Paraformaldehyde is flagged as a flammable hazard in this database (Yes). Flash point: 71 °C / 159.8 °F. Use fire-rated storage and follow NFPA 30 / applicable flammable-liquid rules where they apply.
What hazard class is Paraformaldehyde?
Paraformaldehyde is listed as: Category 2 Flammable Solids. Acute oral toxicity Category 4 Acute Inhalation Toxicity - Dusts and Mists Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Skin Sensitization Category 1 Carcinogenicity Category 2 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Combustible dust Yes
What fire suppression is recommended for Paraformaldehyde?
Dry Chemical fire suppression is generally recommended for Paraformaldehyde (OH(CH2O)nH(n=8-100)). *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 Paraformaldehyde storage available for rent?
Yes. US Hazmat Rentals offers EPA-, OSHA-, and NFPA-compliant chemical storage buildings and containment that can be matched to Paraformaldehyde. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.