Dry Ice Packing Instruction 2025: PI 954 & 49 CFR
Dry Ice Packing Instruction (2025): A Practical, Compliant How‑To Use vented packaging, mark “Dry Ice”/“Carbon dioxide, solid” + UN 1845, add net dry ice mass in kg on the outer package, and apply a Class 9 hazard label (min 100×100 mm). For air, follow IATA PI 954, respect the ≤ 200 kg per package cap, and include the dry‑ice line on the Air Waybill (Awb):Und 1845, Trockeneis, x packages × y kg (net per package) (no Shipper’s Declaration when cooling non‑DG; carrier/state variations may apply). USPS is different: domestic air mail ≤ 5 lb of dry ice per piece and requires a Shipper’s Declaration affixed; international mail with dry ice is prohibited. 1) What rules actually apply in 2025 2) Marks, labels, sizes—exactly what goes where 3) How much dry ice to use (calculator & rules of thumb) 4) Step‑by‑step packout (PI 954‑aligned) 5) Carrier specifics: FedEx, UPS, USPS 6) Dry ice pack for shipping food (practical recipe) 7) Sicherheit (CO₂ exposure, venting, disposal) 8) 2025 updates...