Potassium Nitrate UN 1486
POTASSIUM NITRATE UN 1486
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 359, 360
Description
Transparent, colourless or white crystalline powder or crystals. Hygroscopic.
Hazard
Oxidizes when wet. Mixtures with combustible materials are readily ignited and may burn fiercely. This cargo is hygroscopic and will cake if wet.
Stowage and Segregation
“Separated from” foodstuffs.
Hold Cleanliness
Clean and dry as relevant to the hazards of the cargo.
Weather Precautions
This cargo shall be kept as dry as practicable. This cargo shall not be handled during precipitation. During handling of this cargo, all non-working hatches of the cargo spaces into which this cargo is loaded, or to be loaded, shall be closed.
Loading
Trim in accordance with the relevant provisions required under sections 4 and 5 of IMSBC Code.
Precautions
Due consideration shall be given to prevent contact of the cargo and combustible materials. The master and officers are to note that the ship’s fixed gas fire-fighting installation will be ineffective on fires involving this cargo and that applying copious amounts of water may be necessary.
Ventilation
The cargo spaces carrying this cargo shall not be ventilated during the voyage.
Carriage
No special requirements.
Discharge
Potassium nitrate is hygroscopic and may cake in overhangs, impairing safety during discharge. If this cargo has hardened, it shall be trimmed to avoid the formation of overhangs, as necessary.
Clean-up
No special requirements.
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