Ethyl Silicate
Ethyl Silicate silane coupling agent, also known as tetraethoxysilane or tetraethyl orthosilicate, is a chemical compound with the formula Si(OC2H5)4, widely used in the production of silica-based materials, to enhance durability, hardness, and thermal stability across sectors such as electronics, construction, and aerospace.
Molecular structure
Typical physical properties
Chemical name: Tetraethoxysilane Si-28
CAS No.: 78-10-4
EINECS No.: 232-136-3
Formula: C4H20O4Si
Appearance: Colorless transparent liquid
Refractive index(n25D): 1.3795~1.3895
Purity: 99%
Application
Tetraethoxysilane most commonly used as starting materials for sol-gel. Polysilicic acidesters are condensation products obtained by incomplete hydrolysis or orthosilicic acid esters. They are also be used as starting materials for the sol-gel process.
T28 typical application: Be hydrolyzed to form silicon dioxide (silica). Crosslinkers in siliconerubber systems. Drying agents in sealing compositions. Inorganic binder for refractory fillers and pigments. Coating material for pigments, fibers and other surfaces. Chemical intermediate.
Possible Alternative
Wacker: GENIOSIL® TE28 TES 28/ET10
DOWCorning: Z-6697
Shin-Etsu: KBE-04
Momentive: TEOS-28
Evonik: A
Molecular structure
Typical physical properties
Chemical name: Ethyl Polysilicate Si-40
CAS No.: 11099-06-2
EINECS No.: 234-324-0
Formula: N.A. Appearance： Colorless transparent liquid
Density(ρ20,g/cm3): 1.3870~1.3970
Content of SiO2: 38%-42%
Application
T40 ( also called orthosilicic acid esters) most commonly used as starting materials for sol-gel. Polysilicic acidesters are condensation products obtained by incomplete hydrolysis or orthosilicic acid esters. They are also be used as starting materials for the sol-gel process.
T40 typical application: Be hydrolyzed to form silicon dioxide (silica). Crosslinkers in siliconerubber systems. Drying agents in sealing compositions. Inorganic binder for refractory fillers and pigments. Coating material for pigments, fibers and other surfaces. Chemical intermediate
Possible Alternative
Wacker: GENIOSIL® TE40
DOWCorning:
Shin-Etsu:
Momentive: TEOS-40
Evonik: Dynasylan 40
Molecular structure
Typical physical properties
Chemical name: Methyl polysilicate 51 (Si-51)
CAS No.: 25498-02-6
EINECS No.: N.A.
Formula: N.A.
Appearance: Colorless transparent liquid
Refractive Index(n25D): 1.3830~1.3930
Content of SiO2: 49%-53%
Application
Antifouling additives for paints
Synthesis of high purity silica and quartz Ceramic adhesive
Silica gel raw materials
Possible Alternative
Wacker: GENIOSIL® TE40
DOWCorning:
Shin-Etsu:
Momentive: TEOS-40
Evonik: Dynasylan 40
Molecular structure
Typical physical properties
Chemical name: Tetramethoxysilane
CAS No.: 681-84-5
EINECS No.: 211-656-4
Formula: C4H12O4Si
Appearance: Colorless transparent liquid
Refractive index(n25D): 1.3630~1.3730
Purity: 99%
Application
Tetramethoxysilane most commonly used as starting materials for sol-gel.
Polysilicic acidesters are condensation products obtained by incomplete hydrolysis or orthosilicic acid esters. They are also be used as starting materials for the sol-gel process.
Tetramethoxysilane typical application: Be hydrolyzed to form silicon dioxide (silica). Crosslinkers in siliconerubber systems.
Drying agents in sealing compositions.
Inorganic binder for refractory fillers and pigments.
Coating material for pigments, fibers and other surfaces. Chemical intermediate.
Possible Alternative
Wacker: GENIOSIL® TM
DOWCorning:
Shin-Etsu: KBM-04
Momentive:
Evonik: M