Analysts said the governments determination to push through the debt by year end appears meant to capitalise on investor thirst for East African debt.
Tanzania intends to fund the $1.23 billion Mtwara gas-pipeline project, a $10 billion port at Bagamoyo, new roads, railways and power plants with the funds raised.
Tanzanias was first expected to issue the Eurobond two years ago but this was dropped because of the global economic crisis.