will this compost be safe for use????

hi all ive been and baught myself a 25 litre bag of west+ multi pupose compost it has a 5 month nute release, ive mixed in 20% perlite to 80% compost, my seed has been germinating in a damp kitchen paper in a really dark place, i checked it and the shoot from the seed is about 1cm long, now i want to get it potted and start it off on light but a friend who grows (who has told me a few incorrect things) has told me that it will struggle to survive as its so young and will nute burn it? could somebody verify this for me please?
 
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