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78-13-7

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Basic Information
CAS No.: 78-13-7
Name: TETRAKIS(2-ETHYLBUTOXY)SILANE
Article Data: 5
Molecular Structure:
Molecular Structure of 78-13-7 (TETRAKIS(2-ETHYLBUTOXY)SILANE)
Formula: C24H52 O4 Si
Molecular Weight: 432.76
Synonyms: 1-Butanol,2-ethyl-, silicate (6CI,7CI); 2-Ethylbutyl orthosilicate; 2-Ethylbutylsilicate; Coolanol 25; Flo-Cool 180; Tetra(2-ethylbutyl) silicate;Tetrakis(2-ethylbutoxy)silane; Tetrakis(2-ethylbutyl) silicate
Density: 0.892
Melting Point: -50°C
Boiling Point: 166 °C
Flash Point: 116°C
Safety: A skin irritant. Combustible when exposed to heat or flame. To fight fire, use mist, spray, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also SILICATES.
PSA: 36.92000
LogP: 7.23320
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Chemistry

Molecule structure of Tetra (2-ethylbutyl) orthosilicate (CAS NO.78-13-7) :

IUPAC Name: tetrakis(2-ethylbutyl) silicate 
Molecular Weight: 432.75278 g/mol
Molecular Formula: C24H52O4Si 
Density: 0.887 g/cm3 
Boiling Point: 358 °C at 760 mmHg 
Flash Point: 121.7 °C
Index of Refraction: 1.441
Molar Refractivity: 128.77 cm3
Molar Volume: 487.3 cm3
Polarizability: 51.04×10-24 cm3
Surface Tension: 27.3 dyne/cm 
Enthalpy of Vaporization: 57.97 kJ/mol
Vapour Pressure: 5.41E-05 mmHg at 25 °C
H-Bond Acceptor: 4
Rotatable Bond Count: 20
Exact Mass: 432.363487
MonoIsotopic Mass: 432.363487
Topological Polar Surface Area: 36.9
Heavy Atom Count: 29
Complexity: 281
Canonical SMILES: CCC(CC)CO[Si](OCC(CC)CC)(OCC(CC)CC)OCC(CC)CC
InChI: InChI=1S/C24H52O4Si/c1-9-21(10-2)17-25-29(26-18-22(11-3)12-4,27-19-23(13-5)14-6)28-20-24(15-7)16-8/h21-24H,9-20H2,1-8H3
InChIKey: SWQWONXMUXCEDF-UHFFFAOYSA-N
EINECS of Tetra (2-ethylbutyl) orthosilicate (CAS NO.78-13-7) : 201-085-9

Toxicity Data With Reference

1.    

skn-rbt 500 mg open MLD

     UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 2/15 ,1966.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

A skin irritant. Combustible when exposed to heat or flame. To fight fire, use mist, spray, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also SILICATES.

Specification

 Tetra (2-ethylbutyl) orthosilicate (CAS NO.78-13-7) is also called 2-Ethyl-1-butanol, silicate ; 2-Ethylbutyl orthosilicate ; 2-Ethylbutyl silicate ; 4-01-00-01725 (Beilstein Handbook Reference) ; BRN 1713700 ; Coolanol 25 ; Flo-Cool 180 ; Tetra(2-ethylbutoxy) silane ; Tetrakis(2-ethylbutoxy)silane ; 1-Butanol, 2-ethyl-, silicate (6CI,7CI) ; Silicic acid (H4SiO4), tetrakis(2-ethylbutyl) ester ; Silicic acid, tetra(2-ethylbutyl) ester .