Shipping Chemicals Under Temperature Control

Why Ship Temperature-Sensitive Chemicals by Air Freight?

Chemicals stand apart from all other goods in this overview on one fundamental point: the cargo itself can be hazardous, independently of the cooling. A reagent that travels at the wrong temperature loses not only its effectiveness but can also become more reactive, unstable, or outright unsafe. Speed is therefore not just a matter of quality but also risk management: the shorter the exposure, the lower the chance of unwanted reactions en route.

For R&D departments, laboratories, and specialty chemical manufacturers, this is the crux of the matter. A catalyst for a production process, a sensitive reagent for analysis, or a sample of a new compound: these are all materials that require strict control of temperature and safety during transport. Air freight with proper combined handling is often the only route that guarantees both.

Temperature-sensitive chemicals require two things simultaneously: the right temperature and proper hazardous materials handling. Unlike food products, the chemical itself can be hazardous in addition to the dry ice (UN1845). We combine cooled or frozen transport with full DGR compliance.

Cold Chain and Dual DGR for Chemicals

Unlike food products, there is no standard temperature regimen for chemicals; it entirely depends on the substance. Some reagents travel refrigerated at 2°C to 8°C, others must be frozen with dry ice, and yet others require controlled room temperature because freezing damages them. The first step is always to determine the specific needs of the substance.

The real distinction in this category is the dual hazardous materials situation. When a chemical itself is subject to IATA DGR regulations, for example as class 3 (flammable), 6.1 (toxic), or 8 (corrosive), and is cooled simultaneously with dry ice (class 9, UN1845), two classifications apply simultaneously. Both must be correctly reflected in packaging, labeling, and documentation. We classify the substance and the coolant separately and ensure the combined shipment is fully compliant before it takes flight.

Customs and Regulations for Chemicals

Chemicals are subject to the widest range of regulations among frozen goods because the substance itself determines which regimes apply. Within the EU, REACH governs substance registration and the CLP regulation covers classification and labeling. Upon import, this may mean the importer has registration or notification obligations before the substance can be marketed.

On the export side, an additional layer of control exists that you don't encounter with food products: dual-use and precursors. Certain chemicals can be used both civilly and militarily or serve as raw materials for prohibited substances, thus requiring export licenses. Sanctions against specific destinations can completely block a shipment. We screen every chemical shipment in advance for both transport-related DGR compliance and customs/export controls and assist in obtaining permits when necessary, preventing a shipment from being stopped halfway due to compliance issues.

• R&D reagents and catalysts → research and production sites worldwide
• Specialty chemicals and samples → international customers