A white powder. The melting point is 1109 °C, and the relative density is 2. 534。 It is easy to absorb moisture and deliquescent, soluble in water but insoluble in ethanol, and the aqueous solution is alkaline. At 25 °C, 1009 dissolves 1879 in water, and can chelate with alkaline earth metals and he

Products name：Phosphoric AcidCAS: 7664-38-2H.S.:2809201100Products quality：High concentration of phosphoric acid, high purity and high crystallinity，Transparent colorless viscous solution, odorless. The general content is 85%~95%. Colorless columnar crystals can be obtained by further concentration,

Product Name：Silica GelCAS：7631-86-9H.S.：2811221000Product Introduction：Silica gel, also known as silicate gel, is an amorphous substance, transparent or milky white granular porous silica hydrate, prepared by washing and drying sodium silicate with acid, insoluble in water and any solvent, non-toxi

Product name：Acetyl Tributyl CitrateCAs No ：77-90-7H.S. :2918150000Usage：The product is a non-toxic, odorless and safe plasticizer with excellent heat resistance, cold resistance, light resistance and water resistance. It is suitable for food packaging, children's toys, medical products and other fi

Product name: Sodium Metasilicate CAS：13517-24-3H.S. : 28391100Quality:Appearance: Sodium metasilicate is a white powder or granularSolubility: It dissolves well in water, and the solution is alkaline.Thermal stability: At high temperatures, sodium metasilicate can decompose.Useage:Building ma

Sodium metabisulfite is a white or yellow crystalline powder or small crystal, with a strong SO2 odor, the aqueous solution is acidic, and the contact with strong acid releases SO2 and generates the corresponding salts, and when it is placed in the air for a long time, it is oxidized to Na2S2O6, so

These chemicals are different in nature, how should they be treated differently?1. compounds with low boiling point and drugs that need to be preserved at low temperature shall be put into the required environment (low temperature refrigerator) as required;2. drugs kept away from light and the reage

As a result of many food safety accidents in recent years, when we talk about food additives, many people is scared all additive, even do not eat any food additives, it is undeniable that some unscrupulous businesses for a certain purpose, such as allowing food storage longer, more bright colors, mo

Ammonium cation is found in a variety of salts such as ammonium carbonate, ammonium chloride, and ammonium nitrate. Most simple ammonium salts are very soluble in water. An exception is ammonium hexachloroplatinate, the formation of which was once used as a test for ammonium. The ammonium salts of n