A research associate died from burns caused by a pyrophoric chemical splash at a university laboratory. The associate was extracting t-butyl lithium from a reagent bottle when it splashed onto her clothes and ignited. Pyrophoric chemicals are spontaneously flammable in air. The California Fatality Assessment and Control Evaluation program is investigating to determine the specific actions and conditions leading to the incident. As an immediate prevention step, employers should ensure all researchers follow safe procedures when using pyrophoric chemicals and consider alternative, non-pyrophoric chemicals when possible.
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CA/FACE Report on Pyrophoric Fatality Ucla
1. California Department of Public Health Occupational Health Branch
Worker Fatality Alert
April 2009 Prevention Points
Train and supervise all researchers and staff
Laboratory Research on the proper procedures for using
pyrophoric chemicals
Associate Dies of Consider using other chemicals that are not
Burns From a spontaneously flammable in air
Pyrophoric Chemical Track the purchase and use of pyrophoric
chemicals
The California Fatality Assessment and Control Evaluation (CA/FACE) program tracks and
investigates cases of fatal injuries at work, and makes prevention recommendations for employers and
employees. CA/FACE is investigating the death of a research associate who was working in a
biochemistry research laboratory at a major university. The research associate was extracting t-butyl
lithium from a reagent bottle. The chemical splashed onto her clothing and ignited, causing serious burns.
t-butyl lithium is one of a class of chemicals that are spontaneously flammable in air (pyrophoric).
The research associate had recently
graduated from a local college and was
working for the year while applying to
law school. She was working in the
laboratory over the December holiday
break when the incident occurred.
The specific actions and conditions that
led to this incident are still under
investigation. As an immediate step to
prevent future incidents, employers
should ensure that safe work
procedures are followed by all
researchers and their staff when they
are using pyrophoric chemicals. When
possible, consider using chemicals that
are not pyrophoric as this will decrease
the risk of a serious injury if an incident
occurs. Employers should also consider
implementing a chemical purchasing
and usage tracking system. This will
help keep track of where pyrophoric
Note: Example only. Exact setup will depend on specific chemicals are used so that compliance
requirements. (Photo provided courtesy of John Palmer of UC San Diego) with training and supervision can be
ensured.
Guidance on the safe use of pyrophoric organolithium reagents is available:
http://membership.acs.org/c/chas/techarchive/organolithium%20paper.pdf.
(This is provided as an example only and has not been endorsed by the California Department of Public Health)
A complete investigation (#09CA001) of this incident is available at
http://www.cdph.ca.gov/programs/ohb-face/Pages/FACEReports.aspx.
The Occupational Health Branch in the California Department of Public Health is
devoted to improving worker health and safety through prevention activities.
See http://www.cdph.ca.gov/programs/ohb