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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Iran Shaheed


Indian Ocean

Rest of the world


HNS Spilt

Anhydrous ferric chlorideSolid


Amount Spilt (T)Unknown

CAS Number7705-08-0


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

The ClFe3 reacted with water present in holds forming hydrochloride, which is toxic and corrosive. Around 700 T of contaminated water were pumped out of holds and double bottom tanks.

Material Safety Data Sheets (MSDS)