Physical features and properties of ketene (C2H2O), identification CAS number 463-51-4 and EINEICS number 207-336-9 : gas detectors C2H2O (ketene) and respiratory protection equipments ketene (C2H2O), use of a self-contained breathing apparatus (SCBA) or air supplied systems
| Chemical formula | CAS number | Common synonyms |
|---|---|---|
Chemical formula C2H2O |
CAS number 463-51-4 |
Common synonyms
Carbomethene Ethenone Keto-ethylene |
| CE number (EINECS) | Density | Conversion (1 ppm =) |
|---|---|---|
CE number (EINECS) 216-353-0 |
Density 1.45 |
Conversion (1 ppm =) 1.72 mg/m3 |
| TWA (8h) | STEL (15 mn.) | LEL | UEL | IP | GHS More | Cartridge More |
|---|---|---|---|---|---|---|
TWA (8h) 0.5 ppm |
STEL (15 mn.) 1.5 ppm |
LEL 5.5 % |
UEL 18 % |
IP 9.61 |
GHS More 
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