干燥剂有毒吗,干燥剂成分有哪些,你知道吗

iHeir发布

干燥剂,日常生活中经常见到的东西,逛个超市,买些食品,一拆开,就会有一包干燥剂在里面。大家都知道,干燥剂是一种化学品,含有许多化学物质,和食品放在一起肯定会引起大家的顾虑,确实,这也关乎到人体健康安全,那么常见的干燥剂成分是什么呢?这些干燥剂有毒吗? 干燥剂成分有哪些?
  1. 生石灰干燥剂,主要成分是氧化钙(CaO),吸湿性能是通过化学反应来实现的,不管外界环境湿度高低,生石灰干燥剂都能保持大于自重35%的吸湿能力。但要注意的是,生石灰干燥剂遇水会产生氢氧化钙并释放大量热量,而氢氧化钙具有很强的腐蚀性,误食容易灼伤、腐蚀口腔或食道。
  2. 硅胶干燥剂,主要成分是一种高微孔结构的含水二氧化硅(mSiO2.nH2O ),无毒无味,不溶于水和任何溶剂,吸湿性能强,能使环境的相对湿度降低至40%左右。而硅胶干燥剂中有一种叫蓝色硅胶,由于含有氯化钴,有毒,应避免接触食品或吸入口中。
  3. iHeir防霉干燥剂,采自纯天然矿物,是一种化学性能稳定的矽酸铝,绿色环保,无毒无味。iHeir防霉干燥剂吸湿率是自身的300%,常被人们用于服装鞋帽、食品包装、海洋运输等。
干燥剂有毒吗? 干燥剂是一种化学品,有没有毒很多人都在问,那究竟有没有毒呢?在常见的干燥剂中,像iHeir防霉干燥剂、透明硅胶这些干燥剂是没有毒性的,都是通过环保认证可用于食品的干燥剂。但像蓝色硅胶这种,由于含有氯化钴,有毒,所以要避免接触食品,生石灰干燥剂则是具有强腐蚀性,遇水会产生氢氧化钙并释放大量热量,误食会灼伤口腔或食道,溅入眼中会损伤结膜和角膜。

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