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Access Rudolf Organosilane S2
- CAS Number
- 56706-10-6
- Chemical Name
- Bis(triethoxysilylpropyl) disulfide
- Chemical Family
- Silanes
- Molecular Formula
- C₁₈H₄₂O₆S₂Si₂
Access Rudolf Organosilane S2 is a yellowish and transparent liquid that is used as a crosslinking agent and adhesion promoter in various applications such as coatings, adhesives, and sealants. With a chemical structure containing silicon, oxygen, and carbon atoms, this organosilane provides improved chemical and thermal resistance to materials it is added to.
Properties
- Physical Form
- Liquid
Product families
Elastomers — Elastomer Additives
- Catalysts Initiators & Crosslinkers
- Surface Modifiers
Other characteristics
- Brand
- Access Rudolf
- Synonyms
- Bis[3-(triethoxysilyl)propyl]-disulfide
- Functions
- Coupling Agent, Vulcanizing Agent
- Compatible Polymers & Resins
- Polysulfide Rubber
- Appearance
- Yellowish and transparent liquid
- Technology
- Elastomers
- Packaging Type
- Drums
- Standard Packing
- Normally packed in 200kg net drums.
- Storage Condition
Stored in cool and dry air-flowing area preventing sunlight.
- Country Availability
- Canada
- USA
- Applications
- General Information
- It is a bifunctional polysulfide silane with two sulfur atoms in the center of the structure that finds use as adhesion promoter for precious metals, and coupling agent & vulcanizing agent for rubbers. Comparing to S4, it contains lower active disulfide functional group and so can offer better scorch safety.
- Suitable Usage
- Mainly but widely used in rubber industry
- Compatible Polymers and Resins
- Polysulfide Rubber
- Plastics and Elastomers Functions
- Coupling Agent
- Vulcanizing Agent
Technical data
Table 1 of 1
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Specific Gravity (at 20/20°C) | 1.030 - 1.070 | — |
| Refractive Index (at 25°C) | 1.4500 - 1.4700 | — |
| Average Molecular Weight | 474.82 | — |
| Total Sulfur | 12.5 - 14.5 | % |
| Flash Point | min. 100 | °C |
