Introduction
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3-Mercaptopropyltriethoxysilane

Introduction
3-Mercaptopropyltriethoxysilane Structure
3-Mercaptopropyltriethoxysilane
  • CAS No.14814-09-6
  • Chemical Name:3-Mercaptopropyltriethoxysilane
  • CBNumber:CB9420373
  • Molecular Formula:C9H22O3SSi
  • Formula Weight:238.42
  • MOL File:14814-09-6.mol
3-Mercaptopropyltriethoxysilane Property
  • Boiling point: :210 °C
  • Density  :0.987 g/mL at 20 °C (lit.)
  • refractive index  :1.4331
  • Flash point: :88°C
  • storage temp.  :2-8°C
  • pka :10.39±0.10(Predicted)
  • Specific Gravity :0.932
  • Water Solubility  :Hydrolyzes slowly in water.
  • Sensitive  :Moisture Sensitive
  • Hydrolytic Sensitivity :7: reacts slowly with moisture/water
  • BRN  :2039575
  • CAS DataBase Reference :14814-09-6(CAS DataBase Reference)
  • FDA UNII :Z069RX894N
  • EPA Substance Registry System :1-Propanethiol, 3-(triethoxysilyl)- (14814-09-6)
Safety
  • Hazard Codes  :Xi
  • Risk Statements  :36/37/38
  • Safety Statements  :26-36
  • RIDADR  :UN 3334
  • WGK Germany  :3
  • RTECS  :TZ7760000
  • F  :10-13
  • TSCA  :Yes
  • PackingGroup  :III
  • HS Code  :29309090
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordWarning
  • Hazard statements H315-H319-H335-H227-H303
  • Precautionary statements P261-P305+P351+P338-P280g
3-Mercaptopropyltriethoxysilane Price More Price(9)
  • Brand: Sigma-Aldrich
  • Product number: 63797
  • Product name : (3-Mercaptopropyl)triethoxysilane
  • Purity: ≥80% (GC), technical
  • Packaging: 25ml-f
  • Price: $198
  • Updated: 2020/08/18
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 63797
  • Product name : (3-Mercaptopropyl)triethoxysilane
  • Purity: ≥80% (GC), technical
  • Packaging: 25 mL
  • Price: $209
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 63797
  • Product name : (3-Mercaptopropyl)triethoxysilane
  • Purity: ≥80% (GC), technical
  • Packaging: 100ml-f
  • Price: $272
  • Updated: 2020/08/18
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 63797
  • Product name : (3-Mercaptopropyl)triethoxysilane
  • Purity: ≥80% (GC), technical
  • Packaging: 100 mL
  • Price: $288
  • Updated: 2021/03/22
  • Buy: Buy
  • Brand: TCI Chemical
  • Product number: M1505
  • Product name : (3-Mercaptopropyl)triethoxysilane
  • Purity: >96.0%(GC)
  • Packaging: 25g
  • Price: $29
  • Updated: 2021/03/22
  • Buy: Buy

3-Mercaptopropyltriethoxysilane Chemical Properties,Usage,Production

  • Introduction 3-Mercaptopropyltriethoxysilane is a bifunctional organosilane possessing a reactive organic mercapto and a hydrolyzable inorganic methoxysilyl group. 3-Mercaptopropyltriethoxysilane 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-Mercaptopropyltriethoxysilane 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.
3-Mercaptopropyltriethoxysilane Preparation Products And Raw materials
Raw materials
Preparation Products
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  • (3-Mercaptopropyl)triethoxysilane&gt
  • 14814-09-6
  • CH3CH2O3SiCH23SH
  • HSCH23SiOC2H53
  • C9H22SO3Si
  • C9H22O3SSi
  • Organosilicon
  • Organometallic Reagents
  • Trialkoxysilanes
  • Adhesion Promoters
  • Coupling Agents
  • Mecapto Silanes
  • Surface Modifiers
  • Chloroalkylsilanes, etc. (Silane Coupling Agents)
  • Functional Materials
  • Si (Classes of Silicon Compounds)
  • Silane Coupling Agents
  • Si-O Compounds
  • Trialkoxysilanes
  • Industrial/Fine Chemicals
  • Mercapto