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
Phthalic Anhydride Chemical Storage Specifications
Compliant storage and rental solutions for Phthalic Anhydride (C8H4O3). EPA, OSHA, and NFPA guidance for containment, segregation, and fire protection — with rental buildings matched to this material.
Non-flammableNon-Flammable Storage
Chemical formula
Molecular formulaC8H4O3
About Phthalic Anhydride
Phthalic anhydride is widely used worldwide for an extremely broad range of applications spanning from the plastics industry to the synthesis of resins, agricultural fungicides and amines. Its production is currently based on the vapor phase oxidation of o-xylene and naphthalene.
Structured hazard data
- Hazard class
- See SDS
- Storage category
- Non-Flammable Storage
- Flammable
- No
- Flash point
- 152 °C / 305.6 °F
- Storage temperature
- Ambient
- Recommended extinguishing agent
- Dry Chemical
- Compatibility / segregation
- Phthallic Anhydride is not compatible with OXIDIZING AGENTS (such as PERCHLORATES, PEROXIDES, PERMANGANATES, CHLORATES, NITRATES, CHLORINE, BROMINE
Acute oral toxicity Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Respiratory Sensitization Category 1 Skin Sensitization Category 1 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 Phthalic Anhydride
Water
Dry Chemical · Recommended
CO₂ / Other
Guidance: Dry Chemical fire suppression is generally recommended for Phthalic Anhydride (C8H4O3). *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 (CO 2). Dry chemical. Chemical foam.
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 Phthalic Anhydride should account for its listed hazards, climate control needs (Ambient), and segregation requirements. Phthallic Anhydride is not compatible with OXIDIZING AGENTS (such as PERCHLORATES, PEROXIDES, PERMANGANATES, CHLORATES, NITRATES, CHLORINE, BROMINE
Review Segregated storage for incompatible chemicals and Organic peroxide storage building when designing fire rating, containment, and building selection.
Properties: Physical State Solid Appearance White Odor Odorless Odor Threshold No information available pH 2 6 g/l aq.sol Melting Point/Range 129 - 132 °C / 264.2 - 269.6 °F Boiling Point/Range 284 °C / 543.2 °F @ 760 mmHg Flash Point 152 °C / 305.6 °F Evaporation Rate Not applicable Flammability (solid,gas) No information available Flammability or explosive limits Upper 10.50 vol % Lower 1.70 vol % Vapor Pressure 0.01 mbar @ 20 °C Vapor Density Not applicable Specific Gravity 1.5300 Solubility 6 g/l (20°C)
Matched to this chemical
Recommended storage solutions for Phthalic Anhydride
Fire rating, footprint, and containment options from the US Hazmat Rentals fleet — sized for compliant chemical storage.
Non-fire-rated0 HourChremical StorageNon Fire-Rated
- 0-Hour Fire-Rated
- 8 ft x 40 ft
- 57 Barrels
- 55 Gal Storage Drums
Non-fire-rated0 HourChremical StorageNon Fire-Rate
- 0-Hour Fire-Rated
- 8 ft x 20 ft
- 27 Barrels
- 55 Gal Storage Drums
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.
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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.
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We have solutions designed for your workflow process needs.
Frequently asked questions
How should Phthalic Anhydride be stored?
Store Phthalic Anhydride in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Consult the SDS and applicable hazard classification). Climate range guidance: Ambient. Compatibility notes: Phthallic Anhydride 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 Phthalic Anhydride flammable?
Phthalic Anhydride 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 Phthalic Anhydride?
Phthalic Anhydride is listed as: Consult the SDS and applicable hazard classification. Acute oral toxicity Category 4 Skin Corrosion/Irritation Category 2 Serious Eye Damage/Eye Irritation Category 1 Respiratory Sensitization Category 1 Skin Sensitization Category 1 Specific target organ toxicity (single exposure) Category 3 Target Organs - Respiratory system. Combustible dust Yes
What fire suppression is recommended for Phthalic Anhydride?
Dry Chemical fire suppression is generally recommended for Phthalic Anhydride (C8H4O3). *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 Phthalic Anhydride storage available for rent?
Yes. US Hazmat Rentals offers EPA-, OSHA-, and NFPA-compliant chemical storage buildings and containment that can be matched to Phthalic Anhydride. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.