Description
ChemicalBook > CAS DataBase List > Triethoxyoctylsilane

Triethoxyoctylsilane

Description
Product Name
Triethoxyoctylsilane
CAS No.
2943-75-1
Chemical Name
Triethoxyoctylsilane
Synonyms
N-OCTYLTRIETHOXYSILANE;TRIETHOXYCAPRYLYLSILANE;OCTYLTRIETHOXYSILANE;OCTEO;Dynasylan OCTEO;A 137;U-222;y9187;CO9835;NSC67362
CBNumber
CB7284241
Molecular Formula
C14H32O3Si
Formula Weight
276.49
MOL File
2943-75-1.mol
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Triethoxyoctylsilane Property

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)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
WGK Germany 
1
RTECS 
VV6695500
10-21
TSCA 
Yes
HS Code 
29310095
Toxicity
LD50 orally in Rabbit: 5110 mg/kg LD50 dermal Rabbit 5142 mg/kg
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.14414
Product name
Triethoxyoctylsilane
Purity
for synthesis
Packaging
100mL
Price
$60.6
Updated
2024/03/01
Sigma-Aldrich
Product number
440213
Product name
Triethoxy(octyl)silane
Purity
97%
Packaging
100ml
Price
$64.3
Updated
2024/03/01
Sigma-Aldrich
Product number
440213
Product name
Triethoxy(octyl)silane
Purity
97%
Packaging
1l
Price
$176
Updated
2024/03/01
TCI Chemical
Product number
O0171
Product name
Triethoxy-n-octylsilane
Purity
>97.0%(GC)
Packaging
25mL
Price
$18
Updated
2024/03/01
TCI Chemical
Product number
O0171
Product name
Triethoxy-n-octylsilane
Purity
>97.0%(GC)
Packaging
100mL
Price
$31
Updated
2024/03/01
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Triethoxyoctylsilane Chemical Properties,Usage,Production

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°.

Triethoxyoctylsilane Preparation Products And Raw materials

Raw materials

Preparation Products

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Triethoxyoctylsilane Suppliers

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View Lastest Price from Triethoxyoctylsilane manufacturers

Hebei Zhuanglai Chemical Trading Co Ltd
Product
Triethoxyoctylsilane 2943-75-1
Price
US $45.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20 tons
Release date
2024-11-27
Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
Triethoxyoctylsilane 2943-75-1
Price
US $36.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-05-16
Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
n-Octyl triethoxysilane 2943-75-1
Price
US $60.00/kg
Min. Order
1kg
Purity
99
Supply Ability
5000
Release date
2024-05-20

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