Aqueous solution of the highest concentration of up to 55%, usually 40%, called the formaldehyde water, commonly known as Faure Marin (formalin), is to stimulate the smell of colorless liquid.

水溶液的浓度最高可达55%，通常是40%，称做甲醛水，俗称福尔·马林(formalin)，是有刺激气味的无色液体。

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The nature of the formaldehyde, the harm of human body and its source of formaldehyde is a colorless, excitant gas with strong smell, its aqueous solution of 35% ~ 40% formalin.

甲醛的性质、对人体的危害及其来源甲醛是无色、具有强烈气味的刺激性气体 ，其35%~40%的水溶液通称福尔 马林。

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