Question: what are the chemical and physical properties of hydroquinone?
Answer: Properties of hydroquinone Physical state long needles Colour white (analytical grade) Odour odourless Melting point 173-174°C Boiling point 287°C Flash point 165°C (closed cup) Autoignition temperature 515°C Flammability combustible when preheated Explosion limits slight when exposed to heat; reactive at high ...