Global Dry Bulk Network

Potash

POTASH

IMSBC GroupC
UN NumberNot set
ClassNot applicable
Subsidiary HazardNot applicable
MHBNot applicable
Physical SizePowder up to 4 mm
Angle of Repose32° to 35°
Bulk Density (kg/m³)971 to 1,299
Stowage Factor (m³/t)0.77 to 1.03
Harmful to Marine EnvironmentNot set
Effective StatusExisting from MSC.539(107)
IMSBC Amendment07-23
Voluntary Application From2024-01-01
Mandatory From2025-01-01
Group CClass Not applicableMHB: Not applicableExisting from MSC.539(107)
Cargo photo

Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 356, 357

Description

Brown, pink or white in colour, potash is produced in granular crystals. It is odourless and hygroscopic.

Hazard

No special hazards. This cargo is hygroscopic and will cake if wet. This cargo is non-combustible or has a low fire risk.

Stowage and Segregation

No special requirements.

Hold Cleanliness

No special requirements.

Weather Precautions

This cargo shall be kept as dry as practicable before loading, during loading and during the voyage. This cargo shall not be loaded during precipitation. During loading of this cargo, all non-working hatches of the cargo spaces to 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

No special requirements.

Ventilation

The cargo spaces carrying this cargo shall not be ventilated during the voyage.

Carriage

After the completion of loading of this cargo, the hatches of the cargo spaces shall be sealed to prevent water ingress, as necessary.

Discharge

Potash 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

This cargo is mildly corrosive. After discharge of this cargo, the cargo spaces and the bilge wells shall be thoroughly swept clean and washed out to remove all traces of the cargo, except in the case that the cargo to be loaded subsequent to discharge is POTASH.

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