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TPO Photoinitiator Reclassification: What Formulators Need to Know
Regulatory changes are not always on our radar, so I thought I’d share a very brief update on the key “Need to Know” datapoints related to TPO. TPO has been reclassified from Reproductive Toxicity Category 2 (Repr. 2) to Reproductive Toxicity Category 1B (Repr. 1B) across major regions (ex. Europe, USA, China…) indicating increased concern over reproductive toxicity. This has triggered new GHS hazard statements and labeling requirements. Highlights of the Old Classificat

Terry Clayton
Aug 28, 20252 min read
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