The world's biggest iron ore producer Rio Tinto will raise $9 billion in U.S. investment-grade bonds as it seeks to fund its recently-closed buyout of Arcadium Lithium , the miner said on Wednesday.

Rio Tinto Group said it’s seeking to sell bonds in the US to help repay a bridging loan used to finance its $6.7 billion acquisition of Arcadium Lithium Plc.

Rio Tinto (NYSE:RIO) sold $9B of U.S. investment-grade bonds, as the miner raised funds for its recently-closed buyout of Arcadium Lithium, Bloomberg reported Tuesday. The debt was sold in eight parts,

Australian mining group Rio Tinto has finalised the takeover of the lithium producer Arcadium from the USA, which was announced in October. The

Rio Tinto is tapping the US investment-grade bond market Tuesday to raise between $7-billion and $9-billion for its just-closed acquisition of Arcadium Lithium, according to people familiar with the matter.

The deal positions Rio Tinto as the ultimate parent company of Arcadium Lithium, now renamed Rio Tinto Lithium.

Rio Tinto Ltd (ASX:RIO) is raising $9 billion through U.S. investment-grade bonds to refinance its $6.7 billion acquisition of Arcadium Lithium PLC (NYSE:ALTM), Bloomberg reported. The debt offering,

Rio Tinto has completed its acquisition of Arcadium Lithium plc ("Arcadium Lithium") (NYSE: ALTM) (ASX: LTM) for $6.7 billion, following the sanctioning of the Scheme of Arrangement by the Royal Court of Jersey on 5 March.

A unit of the world’s second-biggest miner is looking to sell bonds in as many as eight parts, with the longest portion a 40-year note.

Rio Tinto has successfully raised $9bn through a US investment-grade bond sale to fund its acquisition of Arcadium Lithium, reported Bloomberg, citing sources. The debt was divided into eight segments,