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

HUANSHAN KBR CHEMICAL CO., LTD
Tel
0559-2335676-658 18155919527
Fax
18155919527
Email
johnxu@kbrchem.com
Country
China
ProdList
122
Advantage
55
Chembridge International Corp.(Taipei/Dongguan/Nanjing)
Tel
025-84712192
Fax
025-84712052
Email
china@chembridge.net
Country
China
ProdList
192
Advantage
62
Nanjing Quanxi New Materials Co., Ltd
Tel
025-025-58183162-0 18021540488
Email
1094405027@qq.com
Country
China
ProdList
59
Advantage
58
HUANGSHANJIAHUASILICONE CO,LTD
Tel
15212785412; 15212785412
Email
hsuzihang@163.com
Country
China
ProdList
71
Advantage
58
Guangzhou Rui Lion Biotechnology Co., LTD
Tel
13168345686 17306666488
Email
607141423@qq.com
Country
China
ProdList
1580
Advantage
58
Shandong Bosheng Chemical Co., Ltd
Tel
0531-84444404 15288855587
Email
1076821571@qq.com
Country
China
ProdList
34
Advantage
58
Zhongshan Xingrui Chemical Co. , Ltd.
Tel
13380886747
Email
3096638339@qq.com
Country
China
ProdList
790
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
021-61259108 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40228
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30123
Advantage
84
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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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