Hazardous and Noxious Substances Spill Incidents

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On this database it is collected information on the fate and weathering of hazardous and noxious substances (HNS) accidentally spilt at the sea around the world. It gathers and systematizes existing information to assist stakeholders involved in spill preparedness and response, and builds return of experience datasheets for the chemicals involved. It will facilitate the incorporation of lessons from past incidents on the decision process to improve preparedness.

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Hanjin Pennsylvania (Current name: Norasia Bellatrix)


Indian Ocean

Rest of the world


HNS Spilt

Calcium hypochloriteSolid


Amount Spilt (T)Unknown

CAS Number7778-54-3


Physical Behaviour (SEBC code)


Pollution Category (MARPOL Annex 2)


Class according to IMDG code


Subsidiary Risk Class according to IMDG code

Classification as Marine Pollutant


HNS Classification (2010 HNS Convention)

Fate and weathering facts observed/reported

Containers with phosphorus and fireworks caught fire and exploded. The similarity of the explosions and fire onboard Hanjin Pennsylvania present a resemblance to accidents where a commodity known as calcium hypochlorite has been identified as the main cause, like in the CMA Djakarta case.

Material Safety Data Sheets (MSDS)