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What Are Class 5.2 Dangerous Goods?   Class 5.2 dangerous goods are defined by the UN (United Nations) system of classification as organic peroxides. These compounds contain a peroxide group (–O–O–), a bond between two oxygen atoms, which is inherently unstable. The instability of the oxygen-oxygen bond makes organic peroxides highly reactive, and they can decompose violently, especially when exposed to heat, shock, or other environmental factors.   Organic peroxides are used in various industries, from polymer production to pharmaceuticals, but their reactive nature means that they need to be handled with extreme care. In the Globally Harmonised System (GHS)...

Understanding the UN Number System   The transportation of dangerous goods—whether by road, rail, air, or sea—poses inherent risks to public safety, health, and the environment. One of the key mechanisms for managing these risks is the UN Number system, a globally standardised classification system for hazardous materials. This system is vital not only for ensuring safe handling and transportation but also for compliance with international laws and regulations. In this blog post, we’ll explore the UN Number system, its significance, and how it is implemented in both international law and New Zealand regulations.   What is a UN Number?...

Sustainability of Dangerous Goods in 2025: A Global and Local Perspective   As industries around the world strive for greener practices, the management of dangerous goods—chemicals, explosives, radioactive materials, and flammable substances—has become a focal point for sustainability. With increased environmental awareness and stricter regulations, the transportation, storage, and disposal of hazardous materials must evolve to minimise environmental impacts while maintaining safety. By 2025, sustainability in dangerous goods management is expected to reach new milestones globally. This shift is not only evident in regulatory frameworks but also in technological advancements and industry practices, particularly in countries like New Zealand and...

Shipping dangerous goods (DG) is a highly regulated process that requires the active involvement of several parties, both in New Zealand and internationally. These hazardous materials, which can pose risks to health, safety, and the environment, must be transported with care. The responsibility for ensuring their safe shipping is shared among the shipper, carrier, freight forwarder, and regulatory authorities. The Shipper The shipper is ultimately responsible for ensuring the proper handling of dangerous goods. In New Zealand, this includes complying with the Hazardous Substances and New Organisms Act 1996 (HSNO) and the Land Transport Rule: Dangerous Goods 2005. The shipper...