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Occupational Safety and Health Administration OSHA

Accident Report Detail

Accident: 201312097 - Leak Exposes Sixteen Employees To Phosgene Gas

Accident: 201312097 -- Report ID: 0213400 -- Event Date: 03/23/2009
InspectionOpen DateSICEstablishment Name
31191903903/23/20092834Schering Corp.
On March 23, 2009, a batch preparation by lesser-run process of a chemical intermediate for pharmaceutical research use was being carried out in the P-10 pilot plant. During a step of reagent addition to the reactor, involving triphosgene, over-pressure of the batch prompted operator shut-down and the cooling of process equipment and an area evacuation. Venting via rupture disc to the atmosphere outside the building (roof) involved the release of an unspecified small amount of phosgene gas. The release cloud immediately impacted employees in the outside area through the acute inhalation exposure of workers. Of the 16 affected employees, 13 were taken to two area hospitals and admitted for observation lasting one or two days.
Keywords: lung, phosgene, reactor, venting, inhalation, chemical burn
Employee # Inspection Age Sex Degree Nature Occupation
1 311919039 Hospitalized injury Burn(Chemical) Administrative support occupations, n.e.c.
2 311919039 Hospitalized injury Burn(Chemical) Chemical technicians
3 311919039 Hospitalized injury Burn(Chemical) Chemical technicians
4 311919039 Hospitalized injury Burn(Chemical) Chemical technicians
5 311919039 Hospitalized injury Burn(Chemical) Chemical technicians
6 311919039 Hospitalized injury Burn(Chemical) Chemical technicians
7 311919039 Hospitalized injury Burn(Chemical) Chemical technicians
8 311919039 Hospitalized injury Burn(Chemical) Chemical technicians

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