1.Chemical Name: Bis-(triethoxy-silyl-propyl)-disulfide 2.CAS No.: 56706-10-6 3.Molecular Structure: (C2H5O)3SiCH2CH2CH2-S2-CH2CH2CH2Si(OC2H5)3 4.Molecular Weight: 485 5.Physical &Chemical Properties: This products is yellowish or transparent liquid with a bit ethanol odour, soluble with some kinds of solvents such as ethanol,acetone,benzene, toluene, non-soluble with water, but easily dissolved in connection with water or moisture gas. 6.Technical Index: Sulfur Content: 15% -16% Ethanol Content: ≤0.5% γ2 Content:≤3.0% Impurity Substance Content:≥1.0% Viscosity(γ20℃): ≤ 11.0 Flashing Point(℃): 93 Gravity(25℃):1.03 7.Usage: Si-75 is a novel-bifunctional organic sulfur silane, successfully used in rubber industry, which improves rubber’s physical and mechanical properties, increasing elastic modulus tensile strength, conspicuously promoting the performance of abrasion resistance and compression property, reducing rubber’s viscosity as well as saving processing energy consumption. 8.Package: Packed in plastic drum or ISO tank container.