CHITTAGONG, Bangladesh, Dec 31 (Reuters) - Swiss firm Glencore International made the best bid on Monday in a tender by Bangladesh Petroleum Corp. to export 110,000 barrels of open-specification naphtha for January lifting, officials said.

Glencore GLEN.UL quoted a discount of $1.65 a barrel to Singapore spot naphtha with its free-on-board (FO quote of $92.53 per barrel. The Singapore benchmark price was $94.18 per barrel on Dec. 28.

Apart from Glencore, Projector Asia and Vitol Asia also took part in the naptha tender.

The validity of the tender is until Jan. 7. The naptha is to be delivered from Jan. 14 to Jan. 16, from Chittagong.

(Reporting by Nazimuddin Shyamol; Writing by Ruma Paul, Editing by Peter Blackburn)