邻硝基苯甲醛用
硫酸亚铁及氨还原而得;将
七水合硫酸亚铁、浓盐酸、水和邻硝基苯甲醛加入反应器中搅拌加热,当混合物温度达90℃时一次加入浓氨水,再分三批加入氨水,加料完毕,将混合物水蒸气蒸馏,馏出液用氯化钠饱和,冷却,过滤得成品。
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
R36/37/38 Irritating to eyes, respiratory system and skin.