International dangerous goods shipping demands strict adherence to complex regulatory frameworks including the IMDG Code for maritime transport and IATA Dangerous Goods Regulations for air freight. Proper classification, UN-certified packaging, accurate documentation, and trained personnel are essential to ensure safe and compliant hazardous cargo transport. This comprehensive guide covers everything from the nine UN dangerous goods classes to common compliance pitfalls and how to avoid them. Whether you're shipping lithium batteries, chemicals, or industrial gases, understanding these regulations protects your business from severe penalties, shipment rejections, and safety incidents. Partner with experienced DG-certified freight forwarders like UNI Logistics to navigate the complexities of international hazardous materials logistics with confidence.