- Category :
Organic chemicals and Derivatives
- CAS NO : 40372-72-3
- EC NO : 254-896-5
- Molecular Formula : C18H42O6S4Si2
- Main Specifications : 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.
- Synonyms : Bis[¦Ã-(triethoxysilyl)propyl]tetrasulfide;Bis-[¦Ã-(triethoxysilyl)-propyl]-tetrasulfide;Silane Coupling Agent Si-69; Silane Coupling Agent A-1289;Bis-(¦Ã-triethoxysilylpropyl)-tetrasulfide;Bis-[¦Ã-(triethoxysilylpropyl)]-tetrasulfide;Silane Coupling Agent KH-858;Coupling Agent-Si-69;BHCOUP-Si-69;Bis[¦Ã-(triethoxysilyl-propyl]-tetrasulfide;Bis[3-(triethoxysilyl)propyl]tetrasulfide;4,4,15,15-tetraethoxy-3,16-dioxa-8,9,10,11-tetrathia-4,15-disilaoctadecane;Bis(3-triethoxysilylpropyl)tetrasulfide;Bis-[3-(triethoxysilylpropyl)]-tetrasulfide;
Package: Plastic drum
Uses : Si-69 is a multi-functional slane coupling agent in rubber industry.
Molecular Structure:
Product description:
1.Chemical Name: Bis-(triethoxy-silyl-propyl)-tetrasulfide /Si-69
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(γ25℃): <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 rubbers 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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