1,2-Dihydroxy-3,4-diethoxybenzene, although this substance is not directly recorded in Tiangong Kaiwu, its approximate cost can also be deduced from the perspective of ancient pharmacology and technology.
In terms of pharmacology, compounds containing hydroxyl groups and ethoxy groups often have certain activities. Hydroxyl groups easily form hydrogen bonds with biomolecules in the body, or participate in chemical reactions, affecting cell metabolism. Ancient doctors often used substances with such structures as medicine to regulate human yin and yang. If it can enter the liver meridian, it can help to relieve liver qi and relieve liver depression; if it enters the heart meridian, it can calm the mind and relieve heart palpitations and upset diseases. Although there is no exact ancient text stating the medicinal properties of 1,2-dihydroxy-3,4-diethoxybenzene, the efficacy of similar structural herbs can be speculated.
On the process, ethoxy can enhance the fat solubility of compounds. In ancient dyeing and fragrance making processes, substances often required have good solubility and adhesion. If this substance is used as a mordant or fragrance additive, it may make the color stronger and the aroma longer lasting. For example, the method of dyeing is recorded in "Tiangong Kaiwu", and many additives can improve the dyeing effect by virtue of their special structure. The characteristics of 1,2-dihydroxy-3,4-diethoxybenzene can be used in similar processes to help pigments better adhere to fabrics, or make fragrances last longer in the carrier.
Furthermore, its structural stability may affect the reaction process. In ancient chemical processes such as alchemy and paste making, the stable structure can be used as a reaction medium or catalyst to control the reaction rate and direction. 1,2-Dihydroxy-3,4-diethoxybenzene or its own structure plays a key role in specific processes. Although it is not detailed in "Tiangong Kaiwu", it can be inferred according to the principles of ancient chemical processes.

1% 2C2-dihydroxy-3% 2C4-diethylnaphthalene is a class of organic compounds. Its physical properties are quite characteristic, let me tell you in detail.
The color state of this substance is mostly a solid state at room temperature, but the specific color may vary depending on the purity and crystalline form. The common one is a white to light yellow solid.
On its melting point, due to the specific arrangement and interaction of molecular structure, there is a relatively fixed value. This value is one of the important indicators for the identification of this substance, which can help Fang family to accurately distinguish in experiments.
Boiling point is also one of its important physical properties. When given specific temperature and pressure conditions, this substance will change from liquid to gaseous state, and this boiling point value is of critical significance for its separation, purification, and application in chemical processes.
Furthermore, its solubility also needs attention. In common organic solvents, such as ethanol and ether, there may be a certain solubility, but in water, its solubility may be quite limited due to the difference between molecular polarity and water molecules.
As for density, it also has a corresponding value due to the mass and space occupied by molecules. This value is indispensable in chemical production, product design, and other fields, related to the measurement and mixing ratio of materials.
Its crystal structure, microscopic view, the molecules are arranged in a specific way, this structure not only affects the above physical properties, but also closely related to chemical properties such as chemical reaction activity and stability.
All these physical properties are important factors to consider in many fields such as scientific research, industrial production, material research and development, and in-depth investigation can make good use of this material and benefit various causes.

The properties of 1% 2C2-dihydroxy-3% 2C4-diethoxy benzene are relatively stable. Its stability comes from the characteristics of its own chemical structure.
Looking at its molecular structure, the presence of dihydroxy and diethoxy groups has an impact on the distribution of electron clouds in the benzene ring. Hydroxy and ethoxy groups are both donor groups, which will increase the density of the electron cloud in the benzene ring. This structure can enhance the conjugation effect of the electron cloud in the molecule. This conjugate system is like a stable "framework", which makes the molecular configuration not easy to change, thus improving the stability.
Furthermore, the benzene ring itself has special aromaticity, and its π electrons form a stable delocalized system. This aromatic structure endows the benzene ring with high stability, making it less susceptible to general chemical reactions. The benzene ring in 1% 2C2-dihydroxy-3% 2C4-diethoxybenzene has further enhanced aromaticity under the synergistic action of hydroxyl and ethoxy groups.
In common chemical environments, this substance exhibits a certain degree of inertness to many common reagents. For example, under mild acid-base conditions, it is difficult to undergo reactions such as ring opening or bond breaking, and the stability formed by its structure can resist such relatively weak chemical reactions. Even in a moderately heated environment, without specific catalysts or strong reaction conditions, it can maintain its own structural integrity, demonstrating good thermal stability.
In summary, 1% 2C2-dihydroxy-3% 2C4-diethoxy benzene exhibits relatively stable chemical properties due to its unique molecular structure-induced conjugation effect, enhanced aromaticity, and resistance to common chemical reactions.

The synthesis method of 1% 2C2-dihydroxy-3% 2C4-diethoxybenzene can be based on the ancient books and various ingenious methods.
First, it can be obtained from common starting materials through several delicate reaction steps. First, take a suitable substrate, add a specific reagent to a special reactor, and simmer slowly over a slow fire to maintain a moderate temperature and duration. This process requires careful regulation of the temperature and reaction conditions. If there is a slight difference, it will fall short.
Then, the obtained intermediate product is moved into another clean container, and then another reagent is added to stimulate the reaction. This step requires close attention to the process of the reaction, and timely adjustment of the ratio of heat and reactants to ensure that the reaction proceeds in the expected direction. Finally, 1% 2C2-dihydroxy-3% 2C4-diethoxybenzene can be obtained.
Another method is based on the special path mentioned in ancient books. Select different starting materials, and add various additives in turn at a specific time and environment to make the materials blend and react with each other. At first, a breeze is used to make the reaction start smoothly; then, as the reaction deepens, the wind is increased to accelerate the reaction. In this process, the grasp of the time and the temperature and humidity of the environment are all crucial, and it is difficult to obtain pure products if you are not careful.
Furthermore, there are also ancient extraction techniques. From natural products, this compound can also be obtained by repeated extraction with unique solvents, according to specific proportions and processes, and then through fine separation and purification processes. However, this approach requires extremely high requirements for the selection of raw materials and the extraction of solvents, and the operation is complicated, requiring exquisite skills and rich experience.

1% 2C2-dihydroxy-3% 2C4-diethoxybenzene, this is a rare and special organic compound with potential application value in many fields such as medicine and chemical industry. However, its price fluctuates greatly in the market, often due to multiple factors such as quality, source, supply and demand situation, and preparation process.
In terms of quality, high purity is difficult to prepare, the cost is high, and the price is naturally high; while the price of less pure is relatively close to the people. Its source is also a key factor. Natural extractors are expensive due to scarce resources and complicated extraction processes. Although the chemical synthesis method can increase the yield, the complexity of the synthesis process also affects the cost and price.
At the supply and demand level, if the market demand is strong and the supply is limited, the price will rise; on the contrary, when the supply exceeds the demand, the price will fall. In terms of preparation technology, advanced and efficient processes can reduce costs and stabilize prices; traditional complex processes push up costs and prices.
Generally speaking, the price per gram of ordinary purity may be in the range of tens of yuan to hundreds of yuan; if it is high purity and special quality, the price per gram can reach hundreds of yuan or even higher. However, the market conditions are changing rapidly, and the exact price needs to refer to the actual market situation and supplier quotations.