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31751-59-4

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Basic Information
CAS No.: 31751-59-4
Name: 2,2,4,6-tetramethyl-4,6-diphenyl-1,3,5,2,4,6-trioxatrisilinane
Molecular Structure:
Molecular Structure of 31751-59-4 (2,2,4,6-tetramethyl-4,6-diphenyl-1,3,5,2,4,6-trioxatrisilinane)
Formula: C16H22 O3 Si3
Molecular Weight: 346.605
Synonyms: Cyclotrisiloxane,2,2,4,6-tetramethyl-4,6-diphenyl-, trans- (8CI,9CI); Cyclotrisiloxane, 1,1,3,5-tetramethyl-3,5-diphenyl-,trans-; trans-2,2,4,6-Tetramethyl-4,6-diphenylcyclotrisiloxane
Density: 1.07g/cm3
Boiling Point: 327.5°Cat760mmHg
Flash Point: 127.2°C
Safety: Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.
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Chemistry

IUPAC Name: 2,2,4,6-Tetramethyl-4,6-di(phenyl)-1,3,5,2,4,6-trioxatrisilinane 
Molecular Formula: C16H22O3Si3
Molecular Weight: 346.65
Freely Rotating Bonds: 2
Polar Surface Area: 27.69 Å2
Index of Refraction: 1.529
Molar Refractivity: 99.43 cm3
Molar Volume: 322.2 cm3
Polarizability: 39.41× 10-24 cm3
Surface Tension: 29.2 dyne/cm
Density: 1.07 g/cm3
Flash Point: 127.2 °C
Enthalpy of Vaporization: 54.72 kJ/mol
Boiling Point: 327.5 °C at 760 mmHg
Vapour Pressure: 0.000384 mmHg at 25°C
 The Cas Register Number of  trans-2,4-Diphenyl-2,4,6,6-tetramethyl-cyclotrisiloxane is 31751-59-4.The chemical synonyms of  trans-2,4-Diphenyl-2,4,6,6-tetramethyl-cyclotrisiloxane (CAS NO.31751-59-4) are 2,2,4,6-tetramethyl-4,6-diphenyl-[1,3,5,2,4,6]cyclotrisiloxane ; 31751-59-4 [RN] ; Cyclotrisiloxane, 2,4-diphenyl-2,4,6,6-tetramethyl-, (E)-  and trans-2,4-Diphenyl-2,4,6,6-tetramethylcyclotrisiloxane.The molecular structure of  trans-2,4-Diphenyl-2,4,6,6-tetramethyl-cyclotrisiloxane (CAS NO.31751-59-4) is.

Uses

 trans-2,4-Diphenyl-2,4,6,6-tetramethyl-cyclotrisiloxane (CAS NO.31751-59-4) is used in organic synthesis .

Toxicity Data With Reference

1.    

Rodent - ratDOSE : 30 mg/kgSEX/DURATION : female 3 day(s) pre-mating

     TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 21,68,1972

Safety Profile

Experimental reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes.