Silane Coupling Agent Crosile1891 C9H22O3SSi 3-Mercaptopropyltriethoxysilane

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.

 

  • Item NO.:

    Crosile®1891
  • Chemical Name:

    3-Mercaptopropyltriethoxysilane
  • Chemical Formula:

    C9H22O3SSi
  • CAS No.:

    14814-09-6
  • EINECS No:

    238-883-1
  • Properties:

    (1) Improve the resistance of metal to corrosion, oxidization and adhesion with polymer; (2)Used to process carbon white, carbon black, glass fiber, mica; (3)Used in anti-shrinking finishing of fabrics.

Silane Coupling Agent Crosile1891 C9H22O3SSi 3-Mercaptopropyltriethoxysilane

Silane Coupling Agent Crosile1891 3-Mercaptopropyltriethoxysilane

 

Chemical Properties

3-Mercaptopropyltriethoxysilane Crosile®1891 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.

 

Synonyms

A-1891(UnitedCarbide,US), Z-6910/6911(Dow Corning,US), Si-263(Degussa,German), KH-580(China)

 

Specifications

Properties

Units

Target Values

(Spec, Limits)

Alcohol content

%(wt.)

≤1.0%

Crosile®1891Content

%(wt.)

>=97%

Other impurity content

%(Wt.)

≤3.0%

Specific Gravity (25°C)

 

0.960 - 1.000

Refractive Index (25°C)

 

1.410 - 1.450

 

Application

1. Crosile®1891 is a kind of multifunctional silane coupling agent that is mainly used to improve the cohesiveness between the fillers containing hydroxyl groups and unsaturated polymers having double bonds. 

2. Crosile®1891 is able to improve physical and mechanical properties of vulcanizates. Crosile®1891 can markedly improve tensile strength, tearing strength and abrasive resistance and reduce compression set of vulcanizates.

3. In addition, Crosile®1891 can reduce the viscosity and improve the processability of rubber products. Silica, talc powder, mica powder and clay can be used in combination with Crosile®1891 in polymers such as SBR, NBR, NR, EPDM, epoxy resin, polystyrene resin etc. Recommended dosage 0.5-3.0 PHR. 

Silane Coupling Agent Crosile1891 C9H22O3SSi 3-Mercaptopropyltriethoxysilane

 

Packing:

25kg or 200 kg in plastic drums and 1000kg/IBC. 

 

Storage:

Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

 

Shelf life:

One year in ventilating, cool and dry area.

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