Tags: Chemical Compound, Chemical Substance.
2357-Tetraahydroxy-14-naphthalenedione also called 2357-tetrahydroxynaphthoquinone or spinochrome B is an organic compound with formula C10H6O4 formally derived from 14-naphthoquinone through the replacement of four hydrogen atoms by hydroxyl (OH) groups.Spinochrome B occurs naturally as pigment in the shell and spines of sea urchins such as the Japanese dull red species aka-uni (Pseudocentrotus depressus) the greenish-black murasaki-uni (Heliocidaris crassispina) and the brown bafun-uni (Strongylocentrotus pulcherrimus).
