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Phosphorus Oxychloride Chemical Storage Specifications

Compliant storage and rental solutions for Phosphorus Oxychloride (POCl3). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.

Non-flammableNon-Flammable Storage

Chemical formula

About Phosphorus Oxychloride

Phosphorus Oxychloride is a colorless to pale yellow, fuming, oily liquid with a strong odor. It is used as a chlorinating agent, and in making semiconductors, gasoline additives, plasticizers, hydraulic fluids, and organophosphorus compounds such as pesticides.

Structured hazard data

Hazard class
See SDS
Storage category
Non-Flammable Storage
Flammable
No
Flash point
See SDS
Storage temperature
Under inert atmosphere
Recommended extinguishing agent
Dry Chemical
Compatibility / segregation
PHOSPHORUS OXYCHLORIDE is water reactive. Incompatible with strong oxidizing agents, alcohols, bases (including amines). May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts

Acute toxicity, Oral (Category 4), H302 Acute toxicity, Inhalation (Category 2), H330 Skin corrosion (Category 1A), H314 Serious eye damage (Category 1), H318 Specific target organ toxicity - repeated exposure, Inhalation (Category 1), Respiratory Tract, H372

Fire Suppression System

Dry Chemical fire suppression is recommended for Phosphorus Oxychloride

  • Water

    Water

  • Dry Chemical

    Dry Chemical · Recommended

  • CO₂ / Other

    CO₂ / Other

Guidance: Dry Chemical fire suppression is generally recommended for Phosphorus Oxychloride (POCl3). *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 Phosphorus Oxychloride should account for its listed hazards, climate control needs (Under inert atmosphere), and segregation requirements. PHOSPHORUS OXYCHLORIDE is water reactive. Incompatible with strong oxidizing agents, alcohols, bases (including amines). May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts

Review Segregated storage for incompatible chemicals and How the NFPA 704 hazard rating works when designing fire rating, containment, and building selection.

Properties: a) Appearance Form: liquid Color: colorless b) Odor odorless c) Odor Threshold Not applicable d) pH 1 at 20 °C (68 °F) e) Melting point/freezing point Melting point/range: 1.25 °C (34.25 °F) - lit. f) Initial boiling point and boiling range 105.8 °C 222.4 °F - lit.

Matched to this chemical

Recommended storage solutions for Phosphorus Oxychloride

Fire rating, footprint, and containment options from the US Hazmat Rentals fleet — sized for compliant chemical storage.

  • Non-fire-rated0 HourChemical Storage Shipping

    BoxSAFE CX

    • Non Fire-Rated
    • 8 ft x 40 ft x 8' 5"
    • 50 Qty 55 Gallon Drums
    • 9 Pallets or Totes
    • 302 Square Feet storage
    View product
  • Non-fire-rated0 HourChremical Storage

    Non Fire-Rated

    • 0-Hour Fire-Rated
    • 8 ft x 40 ft
    • 57 Barrels
    • 55 Gal Storage Drums
    View product
  • Non-fire-rated0 HourChremical Storage

    Non Fire-Rate

    • 0-Hour Fire-Rated
    • 8 ft x 20 ft
    • 27 Barrels
    • 55 Gal Storage Drums
    View product

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.

We have solutions designed for your workflow process needs.

Frequently asked questions

How should Phosphorus Oxychloride be stored?

Store Phosphorus Oxychloride in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Consult the SDS and applicable hazard classification). Climate range guidance: Under inert atmosphere. Compatibility notes: PHOSPHORUS OXYCHLORIDE is water reactive. Incompatible with strong oxidizing agents, alcohols, bases (including amines). May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts US Hazmat Rentals provides compliant chemical storage buildings available for rental.

Is Phosphorus Oxychloride flammable?

Phosphorus Oxychloride is not flagged as flammable in this database (No). Still verify the SDS and store in compliant containment for its listed hazard class.

What hazard class is Phosphorus Oxychloride?

Phosphorus Oxychloride is listed as: Consult the SDS and applicable hazard classification. Acute toxicity, Oral (Category 4), H302 Acute toxicity, Inhalation (Category 2), H330 Skin corrosion (Category 1A), H314 Serious eye damage (Category 1), H318 Specific target organ toxicity - repeated exposure, Inhalation (Category 1), Respiratory Tract, H372

What fire suppression is recommended for Phosphorus Oxychloride?

Dry Chemical fire suppression is generally recommended for Phosphorus Oxychloride (POCl3). *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 Oxychloride 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 Oxychloride. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.