The 25-year-old Bengtsson, who won European Indoor Bronze medals in 2015 and 2017, improved her own national record by one centimeter.
Another Swedish record fell in the men's 800m race as Andreas Kramer clocked 1:45.03 to shave 0.03 seconds from the previous record.
The newly crowned World Junior Champion and World Junior record holder Armand Duplantis of Sweden cleared 5.80m to win the men's pole vault.
Daniel Ståhl (SWE) won the men's discus with the third farthest throw in the World this year of 69.11m.
Ce'aira Brown of the United States clocked a new personal best of 1:58.01 to win the women's 800m.
Eilidh Doyle of Great Britain won the women's 400m hurdles in 55.71 seconds.
Watch Angelica Bengtsson Breaks Swedish Pole Vault Record.