Maleic Anhydride Chemical Storage Specifications

Compliant storage and rental solutions for Maleic Anhydride (C4H2O3). 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 Maleic Anhydride

Maleic Anhydride is a colorless, needle-like, crystalline (sand- like), flake, pellet or lumpy, fused mass with a strong, irritating odor. It is used as a co-polymer in making polyester and other resins, and as an ingredient in pharmaceuticals and pesticides.

Structured hazard data

Hazard class
See SDS
Storage category
Non-Flammable Storage
Flammable
No
Flash point
103 °C (217 °F) -
Storage temperature
under 70C
Recommended extinguishing agent
Dry Chemical
Compatibility / segregation
not compatible with ALKALI METALS (such as LITHIUM, SODIUM and POTASSIUM); ALKALINE EARTH METALS (such as BERYLLIUM, MAGNESIUM and CALCIUM); AMINES; CARBONATES; HYDROXIDES; and AQUEOUS AMMONIA.

Acute toxicity, Oral (Category 4), H302 Skin corrosion (Category 1B), H314 Serious eye damage (Category 1), H318 Respiratory sensitization (Category 1), H334 Skin sensitization (Sub-category 1A), H317 Specific target organ toxicity - repeated exposure, Inhalation (Category 1), Respiratory system, H372 Short-term (acute) aquatic hazard (Category 3), H402

Fire Suppression System

Dry Chemical fire suppression is recommended for Maleic Anhydride

  • Water

    Water

  • Dry Chemical

    Dry Chemical · Recommended

  • CO₂ / Other

    CO₂ / Other

Guidance: Dry Chemical fire suppression is generally recommended for Maleic Anhydride (C4H2O3). *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 water spray, alcohol-resistant foam, dry chemical or carbon dioxide.

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 Maleic Anhydride should account for its listed hazards, climate control needs (under 70C), and segregation requirements. not compatible with ALKALI METALS (such as LITHIUM, SODIUM and POTASSIUM); ALKALINE EARTH METALS (such as BERYLLIUM, MAGNESIUM and CALCIUM); AMINES; CARBONATES; HYDROXIDES; and AQUEOUS AMMONIA.

Review Compliant lithium-ion battery storage and How the NFPA 704 hazard rating works when designing fire rating, containment, and building selection.

Properties: e) Melting point/freezing point Melting point/range: 52 - 54 °C (126 - 129 °F) Melting point/range: 51 - 56 °C (124 - 133 °F) - lit. f) Initial boiling point and boiling range 200 °C 392 °F - lit. g) Flash point 103 °C (217 °F) - c.c.

Matched to this chemical

Recommended storage solutions for Maleic Anhydride

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 Maleic Anhydride be stored?

Store Maleic Anhydride in EPA-, OSHA-, and NFPA-compliant containment suited to its hazards (Consult the SDS and applicable hazard classification). Climate range guidance: under 70C. Compatibility notes: not compatible with ALKALI METALS (such as LITHIUM, SODIUM and POTASSIUM); ALKALINE EARTH METALS (such as BERYLLIUM, MAGNESIUM and CALCIUM); AMINES; CARBONATES; HYDROXIDES; and AQUEOUS AMMONIA. US Hazmat Rentals provides compliant chemical storage buildings available for rental.

Is Maleic Anhydride flammable?

Maleic 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 Maleic Anhydride?

Maleic Anhydride is listed as: Consult the SDS and applicable hazard classification. Acute toxicity, Oral (Category 4), H302 Skin corrosion (Category 1B), H314 Serious eye damage (Category 1), H318 Respiratory sensitization (Category 1), H334 Skin sensitization (Sub-category 1A), H317 Specific target organ toxicity - repeated exposure, Inhalation (Category 1), Respiratory system, H372 Short-term (acute) aquatic hazard (Category 3), H402

What fire suppression is recommended for Maleic Anhydride?

Dry Chemical fire suppression is generally recommended for Maleic Anhydride (C4H2O3). *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 Maleic 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 Maleic Anhydride. Request sizing and compliance guidance at https://ushazmatrentals.com/chemical-storage-quote-request/.