Mae Fraxin yn grisial acicular melyn golau neu'n gemegyn grisial ffloch.
Enw tramor:Ffracsin arallenw Tsieineaidd: aesculin;
Rhif CAS Fraxinoside:524-30-1
Rhif EINECS:208-355-5
Enw arall Tsieineaidd:aesculin;Fraxinoside
Enw Saesneg:Fraxin
alias Saesneg:
Fraxin;Fraxetin-8-O-glucoside;
2H-1-Benzopyran-2-un,8-(beta-D-glucopyranosyloxy)-7-hydroxy-6-methoxy-;8-(beta-D-Glucopyranosyloxy)-7-hydroxy-6-methoxy-2H-1-benzopyran-2-one;7-hydroxy-6-methoxy-2-oxo-2H-chromen-8-ylbeta-D-glucopyranoside;7-hydroxy-6-methoxy-2-oxo-2H-chromen-8-yl beta-D-allopyranoside