There are many things in our daily life that are hard to see, but we often use them. Different things have their own functions, so when choosing them, we must do it correctly. For some toxic items, we must pay attention to the methods when using them, otherwise it will cause many problems. What is glycerin? Many people are not very clear about it. Many people don’t know much about what glycerin is, so when they choose it, they don’t know how to use it. When choosing such things, they cannot use them casually. This is something you need to pay attention to. What is Glycerin? Colorless, clear, viscous liquid. Odorless. Has a warm sweet taste. It can absorb moisture from the air, as well as hydrogen sulfide, hydrogen cyanide and sulfur dioxide. Neutral to litmus. If placed at a low temperature of 0℃ for a long time, it can form shiny orthorhombic crystals with a melting point of 17.8℃. It can cause combustion and explosion when encountering strong oxidizers such as chromium trioxide, potassium chlorate and potassium permanganate. It is miscible with water and ethanol. One part of this product can be dissolved in 11 parts of ethyl acetate and about 500 parts of ether. It is insoluble in benzene, chloroform, carbon tetrachloride, carbon disulfide, petroleum ether and oils. Relative density: 1.26362. Melting point 17.8℃. Boiling point 290.0℃ (decomposition). Refractive index: 1.4746. Flash point (open cup) 176℃. Median lethal dose (rat, oral)>20ml/kg Through the above introduction, we have a good understanding of what glycerin is. Therefore, before choosing it, we must pay attention to it. It is also poisonous. When choosing it, we must also place it properly, otherwise it will cause others to accidentally ingest it, which will cause serious harm to your health. Pay attention to this. |
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