Vulkanox 4060, an alternative 6PPD anti-aging agent additive, chemically known as CCPD (N,N′-dicyclohexyl-p-phenylenediamine), is intended as an alternative to 6PPD, which is widely used in tires to protect against degradation caused by oxygen and ozone.
The degradation products of 6PPD, particularly 6PPD-quinone, have faced criticism due to their environmental impact, including links to coho salmon die-offs in the US. In environmental studies, CCPD-quinone, the corresponding transformation product of Vulkanox 4060, showed no observed acute effects in coho salmon at concentrations up to the solubility limit. Following completion of EU Reach registration, Vulkanox 4060 is now approved for use in the European market.
