EPA D4 Risk Evaluation: What Silicone Buyers Need to Know
EPA’s risk evaluation for D4 (octamethylcyclotetrasiloxane, CAS 556-67-2) under TSCA Section 6 establishes a finding of unreasonable risk across multiple worker, consumer, and environmental conditions of use. For procurement teams sourcing silicone intermediates, silicone fluids, or formulated silicone products through a specialty chemical sourcing partner into US-bound manufacturing operations, this determination changes the supplier qualification […]
