CAS No.3982-82-9,1,1,5,5-Tetraphenyltetramethyltrisiloxane Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	3982-82-9
Name:	1,1,5,5-Tetraphenyltetramethyltrisiloxane
Article Data:	7

Formula:	C₂₈H₃₂O₂Si₃
Molecular Weight:	484.817
Synonyms:	DM 7040;Dimethylbis(methyldiphenylsilyloxy)silane;Dow Corning 704;HIVAC F 4;
EINECS:	223-620-5
Density:	1.071 g/cm³
Melting Point:	-25 °C
Boiling Point:	495.8 °C at 760 mmHg
Flash Point:	209.1 °C
Solubility:	0.006ng/L at 20℃
Hazard Symbols:	Xi
Risk Codes:	36
Safety:	26-36
PSA:	18.46000
LogP:	4.50080

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Specification

The 1,1,5,5-Tetraphenyltetramethyltrisiloxane, with cas registry number 3982-82-9, has the systematic name of 1,3,3,5-tetramethyl-1,1,5,5-tetraphenyltrisiloxane. And its IUPAC name is dimethyl-bis[[methyl(diphenyl)silyl]oxy]silane. What's more, its other registry number is 26746-40-7.

Physical properties about this chemical are: (1)ACD/LogP: 11.75; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 11.75; (4)ACD/LogD (pH 7.4): 11.75; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 10000000; (8)ACD/KOC (pH 7.4): 10000000; (9)#H bond acceptors: 2; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 18.46 Å²; (13)Index of Refraction: 1.573; (14)Molar Refractivity: 149.15 cm³; (15)Molar Volume: 452.5 cm³; (16)Polarizability: 59.13×10^-24cm³; (17)Surface Tension: 35.7 dyne/cm; (18)Enthalpy of Vaporization: 73.45 kJ/mol; (19)Vapour Pressure: 1.74E-09 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
The 1,1,5,5-Tetraphenyltetramethyltrisiloxane irritates to eyes. When use it, wear suitable protective clothing, gloves and eye/face protection. If contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O([Si](O[Si](c1ccccc1)(c2ccccc2)C)(C)C)[Si](c3ccccc3)(c4ccccc4)C
(2)InChI: InChI=1/C28H32O2Si3/c1-31(2,29-32(3,25-17-9-5-10-18-25)26-19-11-6-12-20-26)30-33(4,27-21-13-7-14-22-27)28-23-15-8-16-24-28/h5-24H,1-4H3
(3)InChIKey: YFCVAZGXPLMNDG-UHFFFAOYAZ
(4)Std. InChI: InChI=1S/C28H32O2Si3/c1-31(2,29-32(3,25-17-9-5-10-18-25)26-19-11-6-12-20-26)30-33(4,27-21-13-7-14-22-27)28-23-15-8-16-24-28/h5-24H,1-4H3
(5)Std. InChIKey: YFCVAZGXPLMNDG-UHFFFAOYSA-N