Diammonium Phosphate (d.a.p.)
DIAMMONIUM PHOSPHATE (D.A.P.)
Schedule source MSC.539(107), Annex 9, Appendix 1, IMSBC Code Amendment 07-23 · pages 181, 182
Description
Odourless white crystals or powder. Depending on source, it can be dusty. Hygroscopic.
Hazard
No special hazards. This cargo is hygroscopic and may harden in the cargo space under humid conditions. This cargo is non-combustible or has a low fire risk.
Stowage and Segregation
No special requirements.
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
Appropriate precautions shall be taken to protect machinery and accommodation spaces from the dust of the cargo. Bilge wells of the cargo spaces shall be protected from ingress of the cargo. Due consideration shall be given to protect equipment from the dust of the cargo. Persons who may be exposed to the dust of the cargo shall wear protective clothing, goggles or other equivalent dust eye-protection and dust filter masks, as necessary.
Ventilation
The cargo spaces carrying this cargo shall not be ventilated during the voyage.
Carriage
Condensation in the cargo spaces carrying this cargo, sweating of this cargo and entering of water from hatch covers to the cargo spaces shall be checked regularly during the voyage. Due attention shall be given to the sealing of hatches of the cargo spaces.
Discharge
Diammonium phosphate 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, particular attention shall be given to bilge wells of the cargo spaces.
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