CAS No.3555-47-3,TETRAKIS(TRIMETHYLSILOXY)SILANE Suppliers,MSDS download

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Basic Information

Molecular Structure:
CAS No.:	3555-47-3
Name:	TETRAKIS(TRIMETHYLSILOXY)SILANE
Article Data:	41

Formula:	C₁₂H₃₆O₄Si₅
Molecular Weight:	384.843
Synonyms:	Trisiloxane,1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)- (6CI,7CI,8CI);Silicic acid, tetrakis(trimethylsilyl)ester (6CI);Silanol, trimethyl-, tetraester with silicic acid (H4SiO4);Silicic acid (H4SiO4), tetrakis(trimethylsilyl) ester;Tetrakis(trimethylsilyl) silicate;Silicic acid (H4SiO4), tetrakis(trimethylsilyl) ester;Tetrakis(trimethylsilyl) orthosilicate;Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis((trimethylsilyl)oxy)-;Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis(trimethylsiloxy)-;
EINECS:	222-613-4
Density:	0.893 g/cm³
Melting Point:	-60 °C
Boiling Point:	284.4 °C at 760 mmHg
Flash Point:	117.4 °C
Solubility:	150.7ng/L at 23℃
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-36
PSA:	36.92000
LogP:	4.82800

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Specification

The Trisiloxane,1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]-, with the CAS registry number 3555-47-3 and EINECS registry number 222-613-4, has the systematic name of tetrakis(trimethylsilyl) orthosilicate. It belongs to the following product categories: Organics; OthersOrganometallic Reagents; Organometallic Reagents; Organosilicon; Trialkoxysilanes. And the molecular formula of the chemical is C₁₂H₃₆O₄Si₅.

The characteristics of Trisiloxane,1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]- are as followings: (1)ACD/LogP: 8.31; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 8.31; (4)ACD/LogD (pH 7.4): 8.31; (5)ACD/BCF (pH 5.5): 1000000; (6)ACD/BCF (pH 7.4): 1000000; (7)ACD/KOC (pH 5.5): 788725.56; (8)ACD/KOC (pH 7.4): 788725.56; (9)#H bond acceptors: 4; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 8; (12)Polar Surface Area: 36.92 Å²; (13)Index of Refraction: 1.416; (14)Molar Refractivity: 108.21 cm³; (15)Molar Volume: 430.7 cm³; (16)Polarizability: 42.89×10^-24cm³; (17)Surface Tension: 17.7 dyne/cm ; (18) Density: 0.893 g/cm³; (19)Flash Point: 117.4 °C; (20)Enthalpy of Vaporization: 50.24 kJ/mol; (21)Boiling Point: 284.4 °C at 760 mmHg; (22)Vapour Pressure: 0.00512 mmHg at 25°C.

Uses of Trisiloxane,1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]-: It can react be used to produce tetramethylsilane. This reaction will need reagent Ga and I₂. The reaction also need heating, and the yield is about 90%.

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable protective clothing, and if in case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: O([Si](C)(C)C)[Si](O[Si](C)(C)C)(O[Si](C)(C)C)O[Si](C)(C)C
(2)InChI: InChI=1/C12H36O4Si5/c1-17(2,3)13-21(14-18(4,5)6,15-19(7,8)9)16-20(10,11)12/h1-12H3
(3)InChIKey: VNRWTCZXQWOWIG-UHFFFAOYAZ