Is this crack on my iPad 4 conner toxic?

Hi simonsi2011,

If you have questions about the materials content of your iPad, you may find the following document helpful:

Restricted Substances

Apple has long taken a leadership role in restricting harmful substances from its products and packaging. As part of this strategy, all Apple products comply with the strict European Directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment, also known as the RoHS Directive. Examples of materials restricted by RoHS include lead, mercury, cadmium, hexavalent chromium, and the brominated flame retardants (BFRs) PBB and PBDE. iPad goes even further than the requirements of the RoHS Directive by incorporating the following more aggressive restrictions:

• Arsenic-free display glass

• Mercury-free LED-backlit display • BFR-free

• PVC-free

iPad Environmental Report

http://images.apple.com/environment/reports/docs/iPad_Retina_PER_oct2012.pdf

Regards,

- Brenden

There is nothing toxic that can leak out of your iPad. The iPad's back case is, I believe, machined aluminum, so there's nothing toxic that can rub off in handling. The red material is almost certainly from whatever you dropped the iPad onto. So unless you plan on disassembling the iPad further and then chewing on the parts, you have nothing to worry about.

Regards.