Lead Nitrate (CAS # 10099-74-8) 5 pack to make 5 x 50mL 0.5M solution DOT Info: Small quantity exemption 173.4 This package conforms to 49 CFR 173.4 for domestic highway or rail transport only WARNING: This product can expose you to chemicals including Lead and lead compounds, which are known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.