Structurally, Thiophene is a heterocyclic compound and a thioether.Molecular formula C4H4S, molecular weight 84.14.Melting point -38℃, boiling point 84℃, density 1.051g/cm3.At room temperature, thiophene is a colorless, odor, can tear liquid.Thiophene occurs naturally in petroleum and can be as high as several percent.In industry, it is used for denaturation of ethyl alcohols.Like furan, thiophene is aromatic.Sulfur atoms 2 of lone electron pair with two double bonds of conjugate, formed from the domain Π keys.Thiophene is only slightly less aromatic than benzene.
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Name
Sulfur impurity;Thiofuran)
CAS No.
110-02-1
Purity
99%min
Molecular formula
C4H4S
Melting point
-38.2℃
The boiling point
84.2℃
Relative density
1.0649
The refractive index
1.5289
Flash point
-6.7℃
Solubility
Soluble in ethanol, ether and other organic solvents, insoluble in water
Character
Colorless transparent liquid, has the similar to the aroma of the benzene, look from the structural formula, thiophene is a kind of heterocyclic compound, is also a kind of thioether. At room temperature, thiophene is a colorless, stench, can tear fluid. Industry, thiophene with butane and sulfur making, used for denatured ethyl alcohol. And furan, thiophene is aromaticity. Sulfur atom 2 of lone electron pair with two double bond conjugate, formed from the domain Π key. The scent of thiophene sex only slightly weaker than benzene.
Application
Thiophene is a kind of important organic chemical raw materials, it has a very wide range of USES, mainly used in the synthesis of pharmaceuticals, pesticides, resin, dye, chemical reagents, polymer additives, such as contract new broad spectrum antibiotic cephalothin, is a kind of important pharmaceutical and chemical additives, also can be used in color film making and special photography, a kind of complex reagent, synthesis of uranium and other metals used for the extraction and separation, etc., are also used in edible flavor synthesis in recent years, due to its unique fragrance, stay sweet time is long, is widely used in all kinds of perfume, cosmetic and food.
Packaging, transportation, storage
The plastic drum is packed and the product should avoid collision, abrasion, spark and omission during transportation.Store indoors, away from fire, dry and equipped with fire fighting equipment.
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Hebei yanxi chemical co., ltd is a professional research and development of the production of lead acetate, 2-phenylethylamide enterprises.under the innovation in traditional production equipment and technology, the use of "high temperature cooling" and "plastic basin crystallization" technology, on the basis of reducing the cost of products to make the quality of products to the same industry. Under the close supervision of the quality inspection department of the company, we carry out production and sales in the way of "labeling", providing the most convenient and fastest service for users all over the world.
Hebei Yanxi Chemical Co. LTD., mainly produce the Carbomer940/980/u21 and lead acetate and lead oxide, lead stearate, lead salt, at the same time operating organic intermediates, surfactants, Food additive,inorganic salt, plant extracts, cosmetics raw material, etc., through long-term development, hebei said bush chemical co., LTD. In hebei province has become a collection of r &d, production, sales in the integration of high-tech enterprises.
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