Coking phenol in normal temperature: white and slightly red crystals.Cresol and xylenol: redish-brown liquid, Phenol series products are poisonous, strongly corrosive and combustible.

• 苯酚常温下为白色或略有红色的结晶，甲酚和二甲酚为红棕色液体，酚类产品有毒，有极强的腐蚀性，可燃。