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3-CYANO-4METHYL-6-HYDROXY -N-ETHYL PYRIDONE,N-methyl-3-Aminocarbonyl-6-hydroxy-4-methyl-2-pyridone are all dye intermediate,they are all white powd...

our 20t fluorene（CAS NO 86-73-7） product will be shipped to India

The quinoline contained in coal tar is not found in petroleum. Therefore, the extraction of quinoline from coal tar has market demand and developme...

Quinoline is mainly present in coal tar wash oil.we choose cation exchange resin instead of dilute sulfuric acid as the material for extracting qui...

There are many indole resources in coal tar, but the indole obtained by the separation and purification method is very odorous, which is not popula...

Indole is an important organic raw material and chemical product. The one-step synthesis of indole from aniline and ethylene glycol is the most eco...

As an important fine chemical product, indole has a wide range of applications in industries, agriculture and medicine. It can not only be used as ...

The main advantage of acid polymerization to recover indole is that it can be completely recovered regardless of the content of indole in the raw m...

Separation of indole by double-flux extraction method and acid polymerization method is a more feasible method for industrialization. China's coal ...

Quinoline is a pyridine compound, therefore, quinoline has a certain alkali, and can interact with acidic substances to form water-soluble salts. W...

if quinoline is extracted from the wash oil, its production process is much lower than the cost of the synthesis method, and it can also improve th...

High purity quinoline and isoquinoline were extracted from coal tar wash oil, the extraction agent and its mass fraction, pH value on the extractio...