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Lachrymator

Definition

• A lachrymator is an irritant that causes tearing (watering of the eyes).

  "Real World" examples include onions, tear gas and pepper spray (capsaicin). Some typical lachrymating chemicals are thionyl chloride (SOCl₂) and acrolein (CH₂=CH-CHO).

MSDS Relevance Certain chemicals may say lachrymator on the label so treat these with respect. Use these only in a fume hood or with other local exhaust ventilation. Goggles or safety glasses are not adequate protection for lachrymators because the fumes and vapors can still reach your eyes directly or through inhalation. If you need personal protective equipment, a full-face atmosphere-supplying respirator is your best choice. Further Reading Why slicing onions makes you cry at Scientific American. See also: conjunctivitis, iridocyclitis, sternutator, vesicant.

Safety Emporium carries supplied air as well as air-purifying respirators.

Disclaimer: The information contained herein is believed to be true and accurate, however ILPI makes no guarantees concerning the veracity of any statement. Use of any information on this page is at the reader's own risk. ILPI strongly encourages the reader to consult the appropriate local, state and federal agencies concerning the matters discussed herein.