As of February 28th, 2023, NLM will discontinue the Wireless Information System for Emergency Responders (WISER), the website (https://wiser.nlm.nih.gov) and WebWISER (https://webwiser.nlm.nih.gov), and the standalone applications for Windows PCs, iOS app, and Android app.
Other sources of Hazmat or Chemical, Biological, Radiological, Nuclear (CBRN) information are available with the following resources:
This WISER content is available in multiple languages.
Key Info
FLAMMABLE LIQUIDS - TOXIC • TOXIC; may be fatal if inhaled, ingested or absorbed through skin • HIGHLY FLAMMABLE: Easily ignited by heat, sparks, flames • CAUTION: Very low flash point; use of water spray when fighting fire may be inefficient