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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Ant chalk

Introduction

Ant chalk, also known as Chinese chalk or ‘Miraculous Insecticide Chalk’, is an insecticide in the form of normal looking chalk. It contains the pesticides deltamethrin and cypermethrin[1]. While these pesticides are legal in the United States[2], the chalk is no longer legal due to a number of reasons including the large number of child poisionings reported while the chalk was legal, the poisonous lead packaging in which the product is sold and the improper labeling on the packaging. The product is referred to as Chinese chalk because, despite its illegal status, is still imported from China and sold in Chinatowns in the United States.

Notes

Notes

  1. ↑ Fagerlund, Richard (2004). ““Ant chalk could harm people more than ants““. Sfgate.com. San Francisco Chronicle. Retrieved 2006-12-09.
  2. ↑ ““Building Maintenance – Structural Integrated Pest Management““. Dgs.ca.gov. California Department of General Services. Retrieved 2006-12-09.
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