Campus Alert Archive
Purdue

Water-Reactive Chemical Spill Triggers Fourth-Floor Evacuation at Purdue's Historic Wetherill Hall of Chemistry

INchemical spilladvisorymedium confidence
Confirmed Threat

On March 27, 2012, a water-reactive and highly flammable chemical was spilled in a laboratory at Wetherill Hall of Chemistry at Purdue University, requiring the precautionary evacuation of the building's fourth floor. The Purdue Fire Department responded and conducted environmental cleanup using dry sand to cover and contain the reactive material. No injuries were reported. The incident at the historic chemistry building -- designated a National Historic Chemical Landmark by the American Chemical Society -- illustrated the ongoing hazard of water-reactive compounds in academic research settings.

Alerts
2
Response
—
Killed
—
Injured
—
Institution
Purdue University
Public R1 · IN
~40,000 studentsPurdue Alert
Confirmed Timeline

Alert Sequence

2 messages in sequence

Some alert texts below are approximate reconstructions from news coverage, not confirmed verbatim transcripts. Reconstructed texts are shown in italic with a dashed border. Verified verbatim texts have a solid border and are marked accordingly.

INITIAL ALERTPA System
Approximate reconstruction259 chars
Attention Wetherill Hall: The fourth floor is being evacuated as a precaution due to a chemical spill in a laboratory. Please exit the fourth floor immediately and do not re-enter until cleared by emergency personnel. The Purdue Fire Department is responding.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The chemical was described as 'water-reactive' and 'highly flammable,' which are the defining characteristics of alkali metals (sodium, lithium, potassium) and certain metal hydrides commonly used in organic synthesis research
Wetherill Hall of Chemistry is a historic building on Purdue's main West Lafayette campus; the fourth-floor location suggests an upper-floor research laboratory rather than a teaching space
A targeted fourth-floor evacuation rather than whole-building evacuation was consistent with a contained spill in a single laboratory rather than a vapor-generating incident affecting building HVAC
ALL CLEARPA System
Approximate reconstruction213 chars
Wetherill Hall fourth floor is clear. The chemical spill has been contained and the area cleaned up by the Purdue Fire Department. The floor may be re-entered. There were no injuries. Normal operations may resume.

This text has been reconstructed from news coverage and may not reflect the exact original wording.

The use of dry sand rather than water for cleanup is the correct procedure for water-reactive chemicals; applying water to water-reactive compounds can cause ignition or explosive release of flammable hydrogen gas
Purdue Fire Department's environmental cleanup role reflects the university's integrated fire-and-EHS response model, in which the campus fire department handles first-response chemical incidents rather than contracting an external hazmat firm
Context

Background

Wetherill Hall of Chemistry at Purdue University was designated a National Historic Chemical Landmark by the American Chemical Society in recognition of pioneering research conducted there over more than a century. The building houses research laboratories for the Department of Chemistry and is one of the most storied chemistry facilities in the United States. On March 27, 2012, a water-reactive and highly flammable chemical was spilled in a fourth-floor laboratory. Spill Hero reported that the Purdue Fire Department responded and used dry sand to contain and clean up the spill. The fourth floor was evacuated as a precaution; no injuries were reported. Water-reactive chemicals are common in chemistry research laboratories: compounds including alkali metals, Grignard reagents, organolithium reagents, and metal hydrides react violently with water or moisture to produce heat and flammable hydrogen gas. The use of dry sand rather than water or chemical fire suppressant reflects standard protocol for these materials. The incident illustrates a persistent challenge at R1 research universities: the same chemicals that make cutting-edge synthesis research possible also create elevated hazmat risk relative to teaching laboratories, requiring specialized response protocols and trained personnel.
Analysis

Key Findings

The targeted fourth-floor evacuation rather than whole-building evacuation suggests the spill was promptly contained; the Purdue Fire Department's dry-sand cleanup approach reflects correct protocol for water-reactive chemical incidents
Wetherill Hall's status as a National Historic Chemical Landmark underscores how the oldest and most architecturally significant campus laboratory buildings are also often the most research-active, maintaining ongoing hazmat risk even in landmark-designated structures
Water-reactive chemical spills at R1 research universities occur with some regularity given the widespread use of organolithium, Grignard, and metal hydride reagents in modern organic synthesis research
Outcome
No injuries. Fourth floor evacuated as a precaution. Purdue Fire Department conducted cleanup using dry sand. Normal operations resumed after cleanup was complete.
Provenance

Sources

  1. Source
    Local fire department responds to chemical spill at Purdue University (Spill Hero)
    spillhero.com
  2. Source
    Wetherill Laboratory at Purdue University National Historic Chemical Landmark (ACS)
    acs.org
Tags
chemical-spillwater-reactiveflammablewetherill-hallfourth-floordry-sand-cleanupwest-lafayetteindianapublic-r1no-injurieshistoric-building
Added May 2026Updated May 2026Via ingestion