This page shows warning signs and labels for 3,3'-Dimethoxybenzidine (o-Dianisidine) (CAS No. 119-90-4), which is on the current California Proposition 65 List of harmful chemicals. California updated Prop 65 warning sign requirements effective August 30, 2018, and these signs meet those specifications. Prop 65 signs must now list specific chemical names and, in some cases, sources of exposure. You will need to determine if your use of this chemical requires exposure source warnings.
Select the sign below that is appropriate for your business operations. You can enter exposure information on the sign detail page as a custom text input
Choose from 5 sizes of aluminum or plastic signs or vinyl labels. You can also download a temporary sign PDF.
Our Prop 65 signs and labels are made in the USA, and most orders ship within 2 business days
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