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| 3-Mercaptopropylmethyldimethoxysilane Basic information | | Introduction |
| 3-Mercaptopropylmethyldimethoxysilane Chemical Properties |
| Boiling point | 96 °C/30 mmHg (lit.) | | density | 1 g/mL at 25 °C (lit.) | | vapor pressure | 23-12790Pa at 20-25℃ | | refractive index | n20/D 1.45(lit.) | | Fp | 199°F | | form | Liquid | | pka | 10.40±0.10(Predicted) | | Specific Gravity | 1.0 | | color | Colorless | | Water Solubility | Insoluble in water. | | Sensitive | Moisture Sensitive | | Hydrolytic Sensitivity | 7: reacts slowly with moisture/water | | BRN | 2424867 | | LogP | -0.82-2.9 at 20℃ | | CAS DataBase Reference | 31001-77-1(CAS DataBase Reference) | | EPA Substance Registry System | 1-Propanethiol, 3-(dimethoxymethylsilyl)- (31001-77-1) |
| Hazard Codes | Xi | | Risk Statements | 36/37/38 | | Safety Statements | 26-36 | | RIDADR | UN2924 | | WGK Germany | 3 | | F | 10-23 | | TSCA | Yes | | HazardClass | 3 | | PackingGroup | III | | HS Code | 29319090 |
| 3-Mercaptopropylmethyldimethoxysilane Usage And Synthesis |
| Introduction | 3-Mercaptopropylmethyldimethoxysilane is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group. 3-Mercaptopropylmethyldimethoxysilane is a clear, colorless to light yellow liquid with a slightly mercaptan odor. It is soluble in alcohols, ketones and aliphatic or aromatic hydrocarbons.
Applications:
- 3-Mercaptopropylmethyldimethoxysilane can be used as coupling agent to improve the adhesion of sulfur cured elastomers (polysulfide, polyurethane sealants) to inorganic fillers (such as silica, clay, glass, mica and talc etc.), fiberglass and surfaces. Mineral-reinforced articles such as shoe soles, rubber rollers and wheels, white sidewalls, and wire and cable insulation also can be produced with lower silane loadings.
- Used to improve properties of mineral filled elastomer, including modulus, tensile and tear strength, heat buildup, abrasion resistance, resilience, compression set and cure time.
- Used as a pretreatment on minerals or added at the time of compounding.
- Used to improve low-rolling resistance in silica-reinforced tire tread compounds.
| | Chemical Properties | Clear to straw liquid with unpleasant odor of sulfide. | | Uses | 3-Mercaptopropylmethyldimethoxysilane can be used to prepare UV laminated adhesive. | | Uses | (3-Mercaptopropyl)methyldimethoxysilane (MPMDMS) can be used as a silane precursor in the synthesis of:- Nafion-MPMDMS nanocomposite membranes by sol-gel method.
- MPMDMS functionalized magnetic- polysilsesquioxane (PSSQ) nanoparticles applicable for heavy metal ions adsorption.
- Thiol-organosilica nanoparticles.
| | Flammability and Explosibility | Notclassified |
| 3-Mercaptopropylmethyldimethoxysilane Preparation Products And Raw materials |
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