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Bis[3-(triethoxysilyl)propyl]tetrasulfide CAS NO.40372-72-3 Bis[3-(triethoxysilyl)propyl]tetrasulfide 40372-72-3
Rizhao Lanxing Chemical Industry Co., Ltd. was established in 1998. We now are a specialized manufacturer of γ-chloropropyltrichlorosilane, γ-chloropropyltriethoxysilane, γ-chloropropyltrimethoxysilane, Si-69, Si-75 and methyl Si-75, etc. Methyl Si-69, Si-75 are very good used in rubber industry, product sell in distant markets domestic and foreign markets. Three kinds of products of the company by the provincial appraisal, technology to meet the domestic and international leading level. The company also applied to 4 invention patents, six counts of software copyright, there are two technical won the first prize in rizhao city science and technology progress. The company has been rated as outstanding private technology enterprises and the second batch of innovative demonstration enterprises in shandong province. Company undertake the national international technology cooperation projects and major projects such as independent innovation in shandong province. 2011 annual output value of 180 million yuan, an increase of 15%, in the first half of 2012 output value 102 million yuan, up 18% from a year earlier.
With good market reputation, we founded a Joint-venture with EVONIK INDUSTRIAL (Fortune 500) in 2005----Evonik Lanxing (Rizhao) Chemical Industrial Co., Ltd. develop the silane products, project investment is 110 million yuan, the main products are Si - 69, etc. Now the annual output is 4500 tons.
To extend the whole industrial chain of silicone, we began a 10,000t/a of silane coupling agent project in Lanshan Chemical Park since 2011, this project Develop and produce high performance organic silicon products industry chain upstream and downstream products, allyl chloride with annual capacity of 15000 tons, more than 99.5% purity. Recycling thirty thousand tons of hydrochloric acid used for synthesis of trichlorosilane, then continue to produce γ1. The project belongs to high-tech projects, the national key support strategic emerging industry project, adopt automatic control design. With a total investment of CNY 350 million, the project covers an area of 96157 square meters, the new production workshop 27150 square meters. 1 set of allyl chloride equipment, there are 26 silane coupling agent series products production lines, The project produce 32000 tons of silane coupling agent series products every year. Project sales of 500 million yuan, profit of 50 million yuan.
1.Chemical Name: Bis-(triethoxy-silyl-propyl)-tetrasulfide
2.CAS No.: 40372-72-3
3.Molecular Structure:(C2H5O)3Si(CH2)3-S4-(CH2)3Si(OC2H5)3
4.Molecular Weight: 539
5.Physical &Chemical Properties: This liquid is of yellowish or brown transparent, soluble into many kinds of solvents, for example,ethanol,acetone,benzene, toluene, halo-hydrocarbon, non-dissolved with water.
6.Technical Index:
Sulfur content: 22+/-1%
Gravity: (25℃)1.08-1.1
Viscosity(γ 25℃): <16
Flashing Point(℃): >100
Refractive Index(ND):>1.48
7.Usage: Si-69 is a multi-functional slane coupling agent in rubber industry, which has been successfully used in radial tire and the equivalent products. It can improve rubber’s physical and mechanical properties.Tensile strength,tearing strength, wear-resisting etc have all been obviously enhanced. It also reduces rubber viscosity, the characteristics of formation heat and promotes processing property.
8.Package: Packed in plastic drum, each 25kg, 200kg or 1000kg net, subject to buyer’s instruction.
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