Potassium Chromate (CAS # 7789-00-6) 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 Chromium/ hexavalent compounds, which is known to the State of California to cause cancer and reproductive harm. For more information go to http://www.P65Warnings.ca.gov.