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17938-09-9

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Basic Information
CAS No.: 17938-09-9
Name: 1,3 DIPHENYL TETRAMETHOXY DISILOXANE
Article Data: 3
Molecular Structure:
Molecular Structure of 17938-09-9 (1,3 DIPHENYL TETRAMETHOXY DISILOXANE)
Formula: C16H22O5Si2
Molecular Weight: 350.519
Synonyms: 1,1,3,3-Tetramethoxy-1,3-diphenyldisiloxane;
Density: 1.103 g/cm3
Boiling Point: 329.556 °C at 760 mmHg
Flash Point: 127.742 °C
PSA: 46.15000
LogP: 1.28080
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Specification

The Disiloxane,1,1,3,3-tetramethoxy-1,3-diphenyl-, with the CAS registry number 17938-09-9, is also known as Benzene, 1,1'-(1,1,3,3-tetramethoxy-1,3-disiloxanediyl)bis-. This chemical's molecular formula is C16H22O5Si2 and molecular weight is 350.51. What's more, its systematic name is called 1,1,3,3-Tetramethoxy-1,3-diphenyldisiloxane.

Physical properties about Disiloxane,1,1,3,3-tetramethoxy-1,3-diphenyl- are: (1)ACD/LogP: 5.85; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 8; (4)ACD/LogD (pH 7.4): 8; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 745770; (8)ACD/KOC (pH 7.4): 745770; (9)#H bond acceptors: 5; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 46.15 Å2; (13)Index of Refraction: 1.517; (14)Molar Refractivity: 96.201 cm3; (15)Molar Volume: 317.79 cm3; (16)Surface Tension: 32.631 dyne/cm; (17)Density: 1.103 g/cm3; (18)Flash Point: 127.742 °C; (19)Enthalpy of Vaporization: 54.934 kJ/mol; (20)Boiling Point: 329.556 °C at 760 mmHg; (21)Vapour Pressure: 0 mmHg at 25 °C.

Preparation of Disiloxane,1,1,3,3-tetramethoxy-1,3-diphenyl-: this chemical can be prepared by Methanol with 1,1,3,3-Tetrachloro-1,3-diphenyl-disiloxane. This reaction needs reagent pyridine and solvent diethyl ether and other condition of heating for 2 hours. The yield is 81 %.

Preparation of Disiloxane,1,1,3,3-tetramethoxy-1,3-diphenyl- can be prepared by Methanol with 1,1,3,3-Tetrachloro-1,3-diphenyl-disiloxane

Uses of Disiloxane,1,1,3,3-tetramethoxy-1,3-diphenyl-: it is used to produce other chemicals. For example, it can react with 2,2',2''-azanetriyl-tris-ethanol to get 1-Phenyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane. The reaction occurs with solvents acetonitrile, xylene and other condition of heating for 10 hours. The yield is 42 %.

Disiloxane,1,1,3,3-tetramethoxy-1,3-diphenyl- can react with 2,2',2''-azanetriyl-tris-ethanol to get 1-Phenyl-2,8,9-trioxa-5-aza-1-sila-bicyclo[3.3.3]undecane

You can still convert the following datas into molecular structure:
(1) SMILES: CO[Si](O[Si](OC)(OC)c1ccccc1)(OC)c2ccccc2
(2) InChI: InChI=1/C16H22O5Si2/c1-17-22(18-2,15-11-7-5-8-12-15)21-23(19-3,20-4)16-13-9-6-10-14-16/h5-14H,1-4H3
(3) InChIKey: KCCVBXQGWAXUSD-UHFFFAOYAE