Global Dry Bulk Network

Urea

UREA

IMSBC GroupC
UN NumberNot set
ClassNot applicable
Subsidiary HazardNot applicable
MHBNot applicable
Physical Size1 mm to 4 mm
Angle of Repose28° to 45°
Bulk Density (kg/m³)645 to 855
Stowage Factor (m³/t)1.17 to 1.56
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 453

Description

White, granular and odourless. Moisture content is less than 1%. Hygroscopic.

Hazard

No special hazards. This cargo is hygroscopic and will cake if wet. Urea (either pure or impure) may, in the presence of moisture, damage paintwork or corrode steel. 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. 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

No special requirements.

Ventilation

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

Carriage

No special requirements.

Discharge

Urea 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

After discharge of this cargo, the cargo spaces shall be swept, washed out and dried.

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