Physical features and properties of maleic anhydride (C4H2O3), identification CAS number 108-31-6 and EINEICS number 203-571-6 : gas detectors C4H2O3 (maleic anhydride) and respiratory protection equipments maleic anhydride (C4H2O3), use of a gas mask (half or full pieces) or powered air purifying respirators (PAPR) with gas cartridges and filters AB
| Chemical formula | CAS number | Common synonyms |
|---|---|---|
Chemical formula C4H2O3 | CAS number 108-31-6 | Common synonyms Toxilic anhydride Maleic acid anhydride 2,5-Furanedione |
| CE number (EINECS) | Density | Conversion (1 ppm =) |
|---|---|---|
CE number (EINECS) 203-564-8 | Density 3.38 | Conversion (1 ppm =) 4.01 mg/m3 |
| TWA (8h) | STEL (15 mn.) | LEL | UEL | IP | GHS More | Cartridge More |
|---|---|---|---|---|---|---|
TWA (8h) 0.1 ppm | STEL (15 mn.) - | LEL 1.4 % | UEL 7.1 % | IP 9.9 | GHS More  | Filtre A P3 |
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