Sigma-Aldrich Picric Acid Sol

Sigma-Aldrich Picric Acid Solution, 1 gal Net Content, 88-89-1, (O2N)3C6H2OH, 229.1 g/mol, Yellow to Very Dark Yellow, Liquid Form. Picric acid is a polynitrated aromatic acid. It dissolves in water to form a solution with low pH (pH 2). It interacts with basic groups of proteins, forms salts and coagulates them. Fixation with picric acid gives a bright stain, but there might be a loss of nucleic acids due to the low pH of the solution - SIAL (Additional S&H Or Hazmat Fees May Apply)