Triethoxyoctylsilane
Triethoxyoctylsilane Basic information
- Product Name:
- Triethoxyoctylsilane
- Synonyms:
-
- a137(couplingagent)
- CO9835
- Dynasylan OCTEO
- dynasylanocteo
- n-octyltriethoaysilane(30m3)
- n-octyltriethoaysilane(30m35)
- n-octyltriethoaysilane(30m3m)
- n-octyltriethoaysilane(32m18)
- CAS:
- 2943-75-1
- MF:
- C14H32O3Si
- MW:
- 276.49
- EINECS:
- 220-941-2
- Product Categories:
-
- silane
- Alkyl
- Functional Materials
- Si (Classes of Silicon Compounds)
- Silane Coupling Agents
- Silane Coupling Agents (Intermediates)
- Si-O Compounds
- Trialkoxysilanes
- Alkoxy Silanes
- Hydrophobing Agents
- Mol File:
- 2943-75-1.mol
Triethoxyoctylsilane Chemical Properties
- Melting point:
- <-40°C
- Boiling point:
- 84-85 °C0.5 mm Hg(lit.)
- Density
- 0.88 g/mL at 25 °C(lit.)
- vapor pressure
- 0.1 hPa (20 °C)
- refractive index
- n20/D 1.417(lit.)
- Flash point:
- 210 °F
- storage temp.
- Store below +30°C.
- solubility
- Acetonitrile (Slightly), Chloroform (Slightly)
- form
- liquid
- Specific Gravity
- 0.875
- color
- Colorless to Almost colorless
- Water Solubility
- reacts
- Sensitive
- Moisture Sensitive
- Hydrolytic Sensitivity
- 7: reacts slowly with moisture/water
- BRN
- 2325287
- InChIKey
- MSRJTTSHWYDFIU-UHFFFAOYSA-N
- LogP
- -0.3-6.41 at 20℃
- CAS DataBase Reference
- 2943-75-1(CAS DataBase Reference)
- NIST Chemistry Reference
- N-Octyltriethoxysilane(2943-75-1)
- EPA Substance Registry System
- Triethoxyoctylsilane (2943-75-1)
Safety Information
- Hazard Codes
- Xi
- Risk Statements
- 36/37/38
- Safety Statements
- 26-36-37/39
- WGK Germany
- 1
- RTECS
- VV6695500
- F
- 10-21
- TSCA
- Yes
- HS Code
- 29310095
- Toxicity
- LD50 orally in Rabbit: 5110 mg/kg LD50 dermal Rabbit 5142 mg/kg
MSDS
- Language:English Provider:Triethoxyoctylsilane
- Language:English Provider:SigmaAldrich
- Language:English Provider:ACROS
- Language:English Provider:ALFA
Triethoxyoctylsilane Usage And Synthesis
Description
Triethoxyoctylsilane is a monomeric medium-chain alkylfunctional silane. It is a clear colourless liquid and soluble in common non-polar organic solvent.
Triethoxyoctylsilane can be used as a surface modifier to generate hydrophobicity (e.g. on concrete, glass, inorganic pigments, or mineral fillers).
When diluted with an appropriate solvent, it can be used in the formulation of water repellent products. Upon proper application, the formulated product will penetrate and provide water repellency by chemically reacting with the cementitious substrate. Treated substrates are hydrophobic and retain their original appearance.
Chemical Properties
Colorless transparent liquid
Uses
Triethoxy(octyl)silane is a hydrophobization agent used to limit coalescence in solid-stabilized emulsions.
Definition
ChEBI: Octyltriethoxysilane is an organosilicon compound.
General Description
Triethoxy(octyl)silane (TEOS) is an alkoxide organosilane with four ethyl ester sidechains. It is used as a self-assembled monolayer and provides a hydrophobic coating with low surface energy. The water contact angle is in the range of 150-170°.
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Triethoxyoctylsilane(2943-75-1)Related Product Information
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- Triethoxypropylsilane
- Tetraethyl orthosilicate
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- Tetramethyl orthosilicate
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- Methyltriethoxysilane
- Triethoxyvinylsilane
- Vinyltrimethoxysilane
- Triethoxysilane
- Trimethoxysilane
- N-OCTADECYLTRIETHOXYSILANE
- Trimethoxysilylpropanethiol
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