Where It Comes From
Made by chlorinating toluene; used to produce benzaldehyde, benzoyl chloride, dyes, and fragrances [1].
How You Are Exposed
Breathing workplace air where it’s made or used; skin or eye contact during handling; accidental releases from industrial sites can affect nearby air [1].
Why It Matters
Causes severe eye/skin burns and intense tearing; breathing it can damage airways and lungs (including delayed fluid in the lungs). IARC classifies it as probably carcinogenic to humans (Group 2A) [1][2].
Who Is at Risk
Chemical plant and lab workers; transport and emergency responders; people near industrial incidents; individuals with asthma or lung disease are more sensitive to irritants [1].
How to Lower Your Exposure
At work, use closed systems, local exhaust, splash goggles/face shield, chemical‑resistant gloves, and appropriate respirators; wash after handling. In the community, follow official alerts and avoid areas downwind of spills [1].
References
- [1]CDC/NIOSH. NIOSH Pocket Guide to Chemical Hazards: Benzylidene (benzal) chloride (CAS 98‑87‑3). https://www.cdc.gov/niosh/npg
- [2]IARC. IARC Monographs, List of Classifications: Benzal chloride (CAS 98‑87‑3). https://monographs.iarc.who.int/list-of-classifications/