Investigation Report

Givaudan Sense Colour Explosion

CSBU.S. Chemical Safety and Hazard Investigation Board

Givaudan Sense Colour Explosion

Read at CSBOpens the publisher’s page on csb.gov

Summary

Investigation of a fatal reactor explosion during caramel colouring manufacture in Louisville. A vent valve failed closed, accelerating sugar decomposition; cooling and emergency pressure relief capacity were inadequate. Calorimetry and component testing inform findings on reactive hazards, process safety implementation, operating limits, occupied-building siting and regulatory coverage gaps.

Topics

About This Record
Publisher
U.S. Chemical Safety and Hazard Investigation Board
Type
Investigation Report
Date
27 May 2026
Topic
Explosion, Mechanical Failure, Pressure Systems, Process Safety, Regulation and Legislation
Equipment
Pressure Vessel, Valve
Control
Alarm Management, Management of Change, Pressure Relief, Risk Assessment
Sector
Downstream and Process Industries
Setting
Onshore Facility
Link
Checked , working
Record
csb-givaudan-sense-colour-explosion · added 2 September 2026

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