Knowledge

Furan is a heterocyclic organism containing a five-yuan aromatic ring consisting of four carbon atoms and an oxygen atom. Compounds containing such rings are usually homologues […]

Thiophene In many occasions can replace benzene, as the preparation of dyes and plastics raw materials, but because of the more lively nature, generally not as […]

The first industrial plant to produce thiophene in the world the gas phase catalytic process of butane and sulfur (Nobiloil method, soccong-vaccum Company development), the yield […]

Thiophene exists in crude benzene fractions produced by coking, which is tar impurity. Because the boiling point of thiophene and benzene is close, it is difficult […]

Thiophene (thiophene), System name 1-Sulphur Miscellaneous-2, 4-cyclopentadienyl, CAS 110-02-1. From a structural perspective, thiophene is a heterocyclic compound and a sulfur ether. Molecular c4h4s, molecular weight […]

1. Character: Single oblique prism or flake crystallization, pure colorless, containing and four benzene when yellow. The solid or solution has a micro-blue fluorescence. 2. Relative […]

Organic compounds, light yellow mono-oblique crystals (pure colorless), with aromatic, flammable, insoluble in water, soluble in ethanol, ether. Can be replaced by electricity, such as halogenated, […]

The structure of nitrogen atoms in amines, like nitrogen atoms in ammonia molecules, is connected with hydrogen or hydrocarbon radicals in three-SP hybrid orbits, forming a […]

The name of the simple amine, amine as the functional group, called a amine, first write the name of the hydroxyl group connected to the nitrogen […]

At room temperature, the lower aliphatic amine is the gas, and more than the amine is liquid, and the high fat amine is solid. The lower […]

According to the number of hydrogen substituted, it is divided into primary amine (amine) RNH2, secondary amine (secondary amine) R2NH, Tertiary amine (tertiary amine) r3n, grade […]