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
Phosphorus, Amorphous, Red Chemical Storage Specifications
Compliant storage and rental solutions for Phosphorus, Amorphous, Red (P4). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.
Flammable hazardFlammable Storage
Chemical formula
Molecular formulaP4
About Phosphorus, Amorphous, Red
It is used in the production of semiconductors. It is used in matchsticks. It is used in production of pyrotechnics, fertilizers, and pesticides. It is used in electroluminescent coatings.
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
- incompatible with halogens, halides, sulfur, oxidizing materials, and will form toxic phosphine gas upon exposure to alkali materials.
Flammable solids Category 2 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1
Fire Suppression System
Dry Chemical fire suppression is recommended for Phosphorus, Amorphous, Red
Water
Dry Chemical · Recommended
CO₂ / Other
Guidance: Dry Chemical fire suppression is generally recommended for Phosphorus, amorphous, red (P4). *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: Dry Chemical, soda ash, lime or sand
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 Phosphorus, amorphous, red should account for its listed hazards, climate control needs (Ambient), and segregation requirements. incompatible with halogens, halides, sulfur, oxidizing materials, and will form toxic phosphine gas upon exposure to alkali materials.
Review NFPA 30 flammable liquid storage requirements and Fire-rated chemical storage rental when designing fire rating, containment, and building selection.
Properties: Appearance (physical state, color, etc.) Red-brown powder. Odor Not Available Odor threshold Not Available pH Not Available Melting point/freezing point 280°C (536°F) Initial boiling point and boiling range Not Available Flash point Not Available Evaporation rate Not Available Flammability (solid, gas) Category 2 flammable solid. Upper/lower flammability or explosive limit Not Available Vapor pressure 0.04 hPa (0.03 mmHg) at 21°C (70°F) Vapor density Not Available Density 2.34 g/mL at 25°C (77°F) Solubility (ies) Not Available Partition coefficient: n-octanol/water Not Available Auto-ignition temperature Not Available Decomposition temperature Not Available
Matched to this chemical
Recommended storage solutions for Phosphorus, Amorphous, Red
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.
Explore solution
Palletized Materials
Pallet-in, pallet-out layouts for packaged chemicals and rack-ready inventory.
Explore solution
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 Phosphorus, amorphous, red be stored?
Store Phosphorus, amorphous, red in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Consult the SDS and applicable hazard classification). Climate range guidance: Ambient. Compatibility notes: incompatible with halogens, halides, sulfur, oxidizing materials, and will form toxic phosphine gas upon exposure to alkali materials. US Hazmat Rentals provides compliant chemical storage buildings available for rental.
Is Phosphorus, amorphous, red flammable?
Yes — Phosphorus, amorphous, red 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 Phosphorus, amorphous, red?
Phosphorus, amorphous, red is listed as: Consult the SDS and applicable hazard classification. Flammable solids Category 2 Acute aquatic toxicity Category 1 Chronic aquatic toxicity Category 1
What fire suppression is recommended for Phosphorus, amorphous, red?
Dry Chemical fire suppression is generally recommended for Phosphorus, amorphous, red (P4). *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 Phosphorus, amorphous, red storage available for rent?
Yes. US Hazmat Rentals offers EPA-, OSHA-, and NFPA-compliant chemical storage buildings and containment that can be matched to Phosphorus, amorphous, red. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.