Update: no negative impact can be identified from the packet. Tastes great.
Still, I will definitely be following recommended sanitation steps in the future. Many thanks to all responders.
Fellow brewers,
I just stopped home to pitch a packet of safale 05 into my cooled wort and while shaking the last grains in, the empty packet fell right into the fermentor.
I rushed to get some tongs sanitized to fish it out but I failed miserably and the empty packet sank into the...