CAS No.3682-26-6,1,3-DIVINYLTETRAETHOXYDISILOXANE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	3682-26-6
Name:	1,3-DIVINYLTETRAETHOXYDISILOXANE
Article Data:	7

Formula:	C₁₂H₂₆O₅Si₂
Molecular Weight:	306.506
Synonyms:	Disiloxane,1,1,3,3-tetraethoxy-1,3-divinyl- (7CI,8CI);Disiloxane,1,3-diethenyl-1,1,3,3-tetraethoxy- (9CI);1,1,3,3-Tetraethoxy-1,3-divinyldisiloxane;1,3-Divinyl-1,1,3,3-tetraethoxydisiloxane;
Density:	0.957 g/cm³
Boiling Point:	256.2 °C at 760 mmHg
Flash Point:	94.6 °C
Risk Codes:	10-36/37/38
Safety:	16-26-36/37/39
PSA:	46.15000
LogP:	2.47720

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Specification

The Disiloxane,2,4-diethenyl-2,4-diethoxy-1,5-diethyl-, with the CAS registry number 3682-26-6, has the systematic name of 1,3-diethenyl-1,1,3,3-tetraethoxydisiloxane. It is also called ethenyl-[ethenyl(diethoxy)silyl]oxy-diethoxysilane. And the molecular formula of the chemical is C₁₂H₂₆O₅Si₂.

The characteristics of Disiloxane,2,4-diethenyl-2,4-diethoxy-1,5-diethyl- are as followings: (1)ACD/LogP: 8.08; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 8.08; (4)ACD/LogD (pH 7.4): 8.08; (5)ACD/BCF (pH 5.5): 818506.31; (6)ACD/BCF (pH 7.4): 818506.31; (7)ACD/KOC (pH 5.5): 594443.81; (8)ACD/KOC (pH 7.4): 594443.81; (9)#H bond acceptors: 5; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 12; (12)Polar Surface Area: 46.15 Å²; (13)Index of Refraction: 1.433; (14)Molar Refractivity: 83.25 cm³; (15)Molar Volume: 320 cm³; (16)Polarizability: 33×10^-24cm³; (17)Surface Tension: 23.4 dyne/cm; (18)Density: 0.957 g/cm³; (19)Flash Point: 94.6 °C; (20)Enthalpy of Vaporization: 47.37 kJ/mol; (21)Boiling Point: 256.2 °C at 760 mmHg; (22)Vapour Pressure: 0.0251 mmHg at 25°C.

Preparation of Disiloxane,2,4-diethenyl-2,4-diethoxy-1,5-diethyl-: This chemical can be prepared by ethanol and trichloro-vinyl-silane, and the other product is triethoxy-vinyl-silane. The reaction will need reagent diethyl ether. The reaction time is 2 hours with temperature of 45-80°C, and the yield is about 92.9%.

You should be cautious while dealing with this chemical. It is a kind of flammable chemical which irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Keep away from sources of ignition - No smoking; Wear suitable protective clothing, gloves and eye/face protection, 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(CC)[Si](O[Si](OCC)(OCC)\C=C)(OCC)\C=C
(2)InChI: InChI=1/C12H26O5Si2/c1-7-13-18(11-5,14-8-2)17-19(12-6,15-9-3)16-10-4/h11-12H,5-10H2,1-4H3
(3)InChIKey: MZAYYDBNSRGYGH-UHFFFAOYAJ