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Triethoxyoctylsilane

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Triethoxyoctylsilane

EINECS 220-941-2
CAS No. 2943-75-1 Density 0.88 g/cm3
PSA 27.69000 LogP 4.39530
Solubility reacts with water Melting Point -40oC
Formula C14H32O3Si Boiling Point 224.4 °C at 760 mmHg
Molecular Weight 276.492 Flash Point 101.3 °C
Transport Information N/A Appearance colorless transparent liquid
Safety 26-36-37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 2943-75-1 (Triethoxyoctylsilane) Hazard Symbols IrritantXi
Synonyms

Si 208 (coupling agent);Silquest A 137;Silane, triethoxyoctyl-;U 222;VP-Si 208;Y 9187;Z 6341;AES 3083;Caprylyltriethoxysilane;EMI1831;Enviroseal 40;LM-N 308;NSC 42964;O 9835;Prosil9202;Prosil 9234;Si 208;

Article Data 68

Triethoxyoctylsilane Chemical Properties

Molecule structure of Triethoxyoctylsilane (CAS NO.2943-75-1):

IUPAC Name: Triethoxy(octyl)silane 
Molecular Weight: 276.48758 g/mol
Molecular Formula: C14H32O3Si 
Density: 0.879 g/cm3 
Melting Point: <-40 °C
Boiling Point: 224.4 °C at 760 mmHg 
Flash Point: 101.3 °C
Index of Refraction: 1.427
Molar Refractivity: 80.86 cm3
Molar Volume: 314.4 cm3 
Surface Tension: 25.5 dyne/cm
Enthalpy of Vaporization: 44.21 kJ/mol
Vapour Pressure: 0.137 mmHg at 25 °C 
Water Solubility: reacts
Sensitive: moisture sensitive
H-Bond Acceptor: 3
Rotatable Bond Count: 13
Exact Mass: 276.212071
MonoIsotopic Mass: 276.212071
Topological Polar Surface Area: 27.7
Heavy Atom Count: 18
Canonical SMILES: CCCCCCCC[Si](OCC)(OCC)OCC
InChI: InChI=1S/C14H32O3Si/c1-5-9-10-11-12-13-14-18(15-6-2,16-7-3)17-8-4/h5-14H2,1-4H3
InChIKey: MSRJTTSHWYDFIU-UHFFFAOYSA-N
EINECS: 220-941-2
Product Categories: Alkyl; Functional Materials; Si (Classes of Silicon Compounds); Silane Coupling Agents; Silane Coupling Agents (Intermediates); Si-O Compounds; Trialkoxysilanes; Alkoxy Silanes; Hydrophobing Agents

Triethoxyoctylsilane Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin 5910uL/kg (5.91mL/kg)   Journal of Toxicology, Cutaneous and Ocular Toxicology. Vol. 15, Pg. 261, 1996.
rat LD50 oral 10060uL/kg (10.06mL/kg)   Journal of Toxicology, Cutaneous and Ocular Toxicology. Vol. 15, Pg. 261, 1996.

Triethoxyoctylsilane Safety Profile

Hazard Codes: IrritantXi
Risk Statements: 36/37/38 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36-37/39 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing. 
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 1
RTECS: VV6695500
F: 10-21
TSCA: Yes
HS Code: 29310095

Triethoxyoctylsilane Specification

 Triethoxyoctylsilane (CAS NO.2943-75-1) is also named as A 137 ; A 137 (coupling agent) ; Dynasylan OCTEO ; NSC 42964 ; Octyl(triethoxy)silane ; Prosil 9202 ; Prosil 9234 ; Silane, triethoxyoctyl- ; Silquest A 137 ; UNII-LDC331P08E ; Y 9187 ; n-Octyltriethoxysilane . Triethoxyoctylsilane is colorless transparent liquid.

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