Hazard identification number:80
Warning sign
  • 80
  • 2215
Hazard signs
Occupational exposure limit
  • HTP-15 min (mg/m3) 0,81 takvärde
  • HTP-8 h (mg/m3) 0,41 takvärde
  • HTP-15 min (ppm) 0,2 takvärde
  • HTP-8 h (ppm) 0,1 takvärde
  • 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 through prolonged or repeated exposure .
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
Important to know:
Substance included in the Community Rolling Action Plan (CoRAP).
diamond11 2


Diamond-Red1Flammability: Flammable when heated 
Diamond-Yellow1Instability: Instable when heated 
Diamond-Blue2Health: Dangerous 
Also known as:
  • 2,5-Furandion
  • 2,5-Furandione
  • 2,5-Furanedione
  • cis-Butenedioic anhydride
  • Dihydro-2,5-dioxofuran
  • Maleic acid anhydride
  • Maleic anhydride
  • Maleinanhydrid
  • MSA
  • Toxilic anhydride

Suitable products for Maleiinianhydridi C4H2O3

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


Dräger X-plore® Rd40

Respirator filter Rd90

Dräger X-plore® Rd90 Filters

  • Respirator filter Rd90
  • ​Dräger specific Rd90 connection
  • robust aluminium housing
  • to be used in combination with X-plore 4700 half masks


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 ...

Powered Air Purifying Respirator

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 7900

  • Gas-tight suit
  • ​SCBA worn inside the protective suit 
  • five suit sizes (S-XXL)
  • side zipper
  • suit material D-mex, reusable 

Dräger CPS 6900

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

Gas-tight suit

Dräger WorkMaster Industry

  • Gas-tight suit
  • SCBA worn over the protective suit
  • four suit sizes (M-XXL)
  • zipper on the back
  • suit material Symex, reusable

Dräger SPC 2400 PVC / Flexothane

SPC 4700 with CVA 0700

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