Key Facts

—The move. Banco Safra has asked a São Paulo court to suspend the sale of control of Braskem to an IG4-backed fund.

—The claim. Safra is a creditor owed about $105 million and argues the deal wrongly shields the buyer from inherited debts.

—The argument. The bank says debt-free transfers apply only to competitive auctions, not to a direct sale to a pre-chosen buyer.

—The stakes. Braskem carries roughly $7.5 billion in net debt and is Latin America’s largest petrochemical maker.