Chemical reagents are relative standard materials for chemical research and component analysis. There are as many as tens of thousands of types, and they are mainly stored in appropriate reagent bottles. Due to the differences in the performance of various chemical reagents, the shape and color of the bottles are also different. amber is one of the common container colors.
The materials of reagent bottles are mainly plastic and glass. The colors include white, transparent and amber. Different from ordinary bottles, amber bottles are mainly used to store chemical reagents that are easy to decompose, volatilize, sublime or react with light. This is because amber can prevent visible light from being irradiated and prevent the reagents from decomposing and becoming deteriorated. Commonly stored reagents in amber bottles include the following:

1. Iodine: Iodine, element No. 53 in the periodic table of the elements, is located in the periodic table of the chemical elements in the ⅦA group of the periodic table and is one of the halogen elements. Iodine is easy to sublime. Iodine vapor itself has a pungent smell and is poisonous. After the sun is exposed to the temperature, it is easy to sublime, so it should be placed in a amber bottle that is protected from light.
2. Silver nitrate: Silver nitrate is a colorless crystal, easily soluble in water. Pure silver nitrate is stable to light, but because the purity of general products is not enough, its aqueous solution and solids are often stored in amber bottles.
3. Chlorine water: Chlorine is an aqueous solution of chlorine gas with a molecular formula of Cl2 and a molecular weight of 70.91. Saturated chlorine water is light yellow-green and has a pungent odor.
4. Silver bromide: light yellow powder, photosensitive, insoluble in water and most alcohols, slightly soluble in ammonia. See the light to decompose metallic silver.
The amber reagent bottle is added with color masterbatch to the production raw materials, which changes the original color of the bottle. These reagents that are easy to decompose when exposed to light are stored in the amber bottle to ensure the stability of the reagent.