49 CFR 172 Special Provision TP25 (TP-Codes)
These provisions apply to the transportation of hazardous materials in IM and UN Specification portable tanks.
| Code | TP25 |
|---|---|
| Description | Sulphur trioxide 99.95% pure and above may be transported in tanks without an inhibitor provided that it is maintained at a temperature equal to or above 32.5 °C (90.5 °F). |
| HazMat with this Code |