pharmaceutical intermediates

3,5-Dihydroxybenzoic Acid CAS 99-10-5 Synthetic Resin White Crystalline Powder

3,5-Dihydroxybenzoic Acid CAS 99-10-5 Synthetic Resin White Crystalline Powder Introduction: White or pale pink needle-like crystals. Melting point 232233C. Soluble in ethanol, diethyl ethe and hot water. Reacts with fuming sulphuric acid or hot concentrated sulphuric acid to form a purple-red compound. Reacts with ferric chloride to produce a wine-coloured precipitate. Uses: Used as an intermediate in organic synthesis for pharmaceuticals, synthetic resins, etc. Product