(Natural Black I, Hydroxybrasilin)
CAS #517-28-2 C₁₆H₁₄O₆
Solubility: 10.0% Water; 10.0% Alcohol; 9.5% Cellosolve; 10% Glycol; 0.0% Xylene
A certified biological stain used in histology and cytology and plastic embedded tissues. See Chen, Chang, S., J Arch. of Path., 93,334 (1972).