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Maleic anhydrideC4H2O3

Hazard identification number:80
Warning sign
  • 80
  • 2215
Hazard signs
Occupational exposure limit
  • IDLH (mg/m3) 10
Occupational Exposure Limits may differ for your Province. Review your local Occupational Health and Safety Act for more information.
  • H: 302
    Harmful if swallowed.
  • H: 314
    Causes severe skin burns
    and eye damage.
  • H: 317
    May cause an allergic skin reaction

  • H: 334
    May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H: 372
    Causes damage to organs (state all organs affected, if known) through prolonged or repeated exposure (state route of exposure if it is conclusively
    proven that no other routes of exposure cause the hazard)

Melting point:53 °C
Boiling Point:202 °C
Density (at 20 °C, if not notified otherwise):1,48 g/cm3
Ionization: 11.07 eV
Flash Point:103 °C
Ignition Temperature:380 °C
Vapour Pressure (at 20 °C, if not notified otherwise):1,33 (44°C) hPa
Lower Explosive Limit:1,4 Vol.-%
Upper Explosive Limit:7,1 Vol.-%
Hazardous Effects:Ss, Sr
diamond11 2


Diamond-Red1Flammability: Flammable when heated 
Diamond-Yellow1Instability: Instable when heated 
Diamond-Blue2Health: Dangerous 
Also known as:
  • 2,5 Furandione 2,5-Diossi-diidrofurano 2,5-Dioxo-dihydrofuran 2,5-Furandion 2,5-Furandion, MSA, cis-Butensäureanhydrid 2,5-FURANDIONE 2,5-Furandione (9CI) 2,5-Furandione (9Cl) 2,5-Furandione, Maleinsäureanhydrid 2,5-Furanedione 2,5-FURANEDIONE. TOXIL
  • 2,5-Furanedione
  • Dihydro-2,5-dioxofuran
  • fruan-2,5-dione Furan-2,5 dione furan-2,5-dione Maleic Anhydride
  • Maleic acid anhydride
  • Maleic anhydride
  • Toxilic anhydride

Suitable products for Maleic anhydride C4H2O3

Whether portable gas detectors, gas detection tubes or personal protective equipment - Dräger offers a comprehensive portfolio to protect you when handling hazardous substances.


Respirator filter Bayonet

Dräger X-plore® Bayonet Filter

  • Respirator filter Bayonet
  • Dräger specific Bayonet connection
  • lateral position of the filters for an unrestricted field of vision and even weight distribution
  • to be used with X-plore 3300 or X-plore ...

Dräger X-plore® Rd40 Filter


Single-filter full-face mask

Dräger Panorama Nova®

  • Single-filter full-face mask
  • ​​different thread connections: RA thread connection Rd40, PE thread connection M45x3, ESA plug-in connector, P Dräger plug-in connection
  • EPDM or silicone mask body, ...
Twinfilter full-face mask

Dräger X-plore® 5500

  • Twinfilter full-face mask
  • Dräger specific bayonet connection - lateral position of the filters 
  • EPDM mask body, visor made of triplex or PC
  • to be used in combination with X-plore Bayonet ...
Single-filter full-face mask

Dräger X-plore® 6300

  • Single-filter full-face mask
  • ​standard thread connection Rd40 according to EN 148-1
  • EPDM mask body, visor made of PMMA
  • to be used with all filters with standard thread connection Rd40

Single-filter full-face mask

Dräger X-plore® 6530

  • Single-filter full-face mask
  • ​standard thread connection Rd40 according to EN 148-1
  • EPDM mask body, visor made of triplex or PC
  • to be used with all filters with standard thread connection ...
Twin-filter half-face mask

Dräger X-plore® 3300/3500

  • Twin-filter half-face mask
  • ​Dräger specific bayonet connection (twin-filter system)
  • mask body made from Soft-TPE or DrägerFlex material (silicon free)
  • to be used with X-plore Bayonet ...

Powered Air Purifying Respirators and Filters

Filters for PAPR

Dräger X-plore® 8000 Filters

  • Filters for PAPR
  • Particle, gas and combination filters available
  • To be used with powered air purifying respirator X-plore® 8500 or 8700 (EX)
  • Optional pre- and odour filter


Dräger X-plore® 8000

Protective Suits

Gas-tight suit

Dräger CPS 5900

  • Gas-tight suit
  • ​SCBA worn inside the protective suit
  • five suit sizes (S-XXL)
  • side zipper
  • suit material Zytron® 500, limited use 

SPC 4700 with CVA 0700

Get in touch with Dräger

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