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Name	Disiloxane,1,1,3,3-tetramethyl-1,3-bis[3-(2-oxiranylmethoxy)propyl]-	EINECS	204-803-9
CAS No.	126-80-7	Density	1.013 g/cm³
PSA	52.75000	LogP	3.02420
Solubility	N/A	Melting Point	<0°C
Formula	C₁₆H₃₄O₅Si₂	Boiling Point	374.2 °C at 760 mmHg
Molecular Weight	362.614	Flash Point	149.1 °C
Transport Information	N/A	Appearance	N/A
Safety	26-36	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Disiloxane,1,1,3,3-tetramethyl-1,3-bis[3-(oxiranylmethoxy)propyl]- (9CI);Disiloxane, 1,3-bis[3-(2,3-epoxypropoxy)propyl]-1,1,3,3-tetramethyl-(6CI,7CI,8CI);1,3-Bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane;1,3-Bis(3-glycidyloxypropyl)tetramethyldisiloxane;1,3-Bis[3-(2,3-epoxypropoxy)propyl]tetramethyldisiloxane;1,3-Bis[3-(glycidyloxy)propyl]-1,1,3,3-tetramethyldisiloxane;1,3-Di(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane;NSC 93976;1,1,3,3-tetramethyl-1,3-bis[3-(oxiran-2-ylmethoxy)propyl]disiloxane;	Article Data	6

Disiloxane,1,1,3,3-tetramethyl-1,3-bis[3-(2-oxiranylmethoxy)propyl]- Synthetic route

: 106-92-3
Allyl glycidyl ether

: 3277-26-7
1,1,3,3-Tetramethyldisiloxane

A: 1607-23-4
glycidyl 1-propenyl ether

B: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

C: 17980-29-9
1,1,3,3-tetramethyl-1-(3-(oxiran-2-ylmethoxy)propyl)disiloxane

D: 1567764-85-5
1-(1-methyl-2-glycidoxyethyl)-1,1,3,3-tetramethyldisiloxane

Conditions

Conditions	Yield
With [{SiO2}O2Si(Me)(CH2)3SBu]2PtCl2 In toluene at 80℃; for 10h; regioselective reaction;	A 5% B 8.3% C 70.7% D 6.5%

...Expand

: 106-92-3
Allyl glycidyl ether

: 3277-26-7
1,1,3,3-Tetramethyldisiloxane

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

Conditions

Conditions	Yield
With platinum
With bis(cyclooctadiene (μ-silyloxytrimethyl) rhodium(I)) at 90℃; for 2h;
With platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex In toluene at 70 - 80℃; for 60h;

: 106-92-3
Allyl glycidyl ether

: 3277-26-7
1,1,3,3-Tetramethyldisiloxane

A: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

B: 17980-29-9
1,1,3,3-tetramethyl-1-(3-(oxiran-2-ylmethoxy)propyl)disiloxane

C: 1567764-85-5
1-(1-methyl-2-glycidoxyethyl)-1,1,3,3-tetramethyldisiloxane

Conditions

Conditions	Yield
With cis-bis(dibenzyl sulfide)Pt(II) dichloride In dichloromethane; toluene at 80 - 100℃; Sealed tube;

: 124-38-9
carbon dioxide

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

: 337357-54-7
4,4'-((((1,1,3,3-tetramethyldisiloxane-1,3-diyl)bis(propane-3,1-diyl))bis(oxy))bis(methylene))bis(1,3-dioxolan-2-one)

Conditions

Conditions	Yield
With C25H20AlCl6NO4; tetra-(n-butyl)ammonium iodide In neat (no solvent) at 70℃; under 7500.75 Torr; for 18h; Autoclave;	94%

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

: 67605-64-5
5-(p-aminophenyl)-10,15,20-triphenylporphine

: C60H65N5O5Si2

Conditions

Conditions	Yield
With isopropyl alcohol In toluene at 80℃; for 1h; Inert atmosphere; Sealed tube; Microwave irradiation;	25%

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

: 67605-64-5
5-(p-aminophenyl)-10,15,20-triphenylporphine

A: C60H65N5O5Si2

B: C104H96N10O5Si2

Conditions

Conditions	Yield
With isopropyl alcohol In toluene at 90℃; for 72h;	A 1% B 2%

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

: 506-59-2
N,N-dimethylammonium chloride

poly(1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane-co-dimethylammonium chloride): poly(1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane-co-dimethylammonium chloride)

Conditions

Conditions	Yield
In water at 105 - 110℃; for 2h; Heating / reflux;

: 79-41-4
poly(methacrylic acid)

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

: 1,3-bis(3-methacryloyloxy-2-hydroxypropoxypropyl)tetramethyldisiloxane

Conditions

Conditions	Yield
With 2,6-di-tert-butyl-4-methyl-phenol at 80℃; for 24h;
With 2,6-di-tert-butyl-4-methyl-phenol at 80℃; for 24h;

: 2,2-dimethoxy-1-butyl-1-aza-2-silacyclopentane

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

: C34H80N2O11Si4

Conditions

Conditions	Yield
In water at 20℃; for 5h; Inert atmosphere;

: 126-80-7
1,3-bis(3-glycidoxypropyl)-1,1,3,3-tetramethyldisiloxane

A: C14H30O7S2Si2

B: C16H34O9S2Si2

Conditions

Conditions	Yield
With C25H20AlCl6NO4; sulfur dioxide; tetra-(n-butyl)ammonium iodide In acetonitrile at 50℃; for 3h; Flow reactor; Overall yield = 95 %; chemoselective reaction;	A n/a B n/a

Disiloxane,1,1,3,3-tetramethyl-1,3-bis[3-(2-oxiranylmethoxy)propyl]- Specification

The Disiloxane,1,1,3,3-tetramethyl-1,3-bis[3-(2-oxiranylmethoxy)propyl]-, with the CAS registry number 126-80-7 and EINECS registry number 204-803-9, has the systematic name of 1,1,3,3-tetramethyl-1,3-bis[3-(oxiran-2-ylmethoxy)propyl]disiloxane. And the molecular formula of the chemical is C₁₆H₃₄O₅Si₂.

The characteristics of Disiloxane,1,1,3,3-tetramethyl-1,3-bis[3-(2-oxiranylmethoxy)propyl]- are as followings: (1)ACD/LogP: 4.48; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.48; (4)ACD/LogD (pH 7.4): 4.48; (5)ACD/BCF (pH 5.5): 1498.1; (6)ACD/BCF (pH 7.4): 1498.1; (7)ACD/KOC (pH 5.5): 6526.04; (8)ACD/KOC (pH 7.4): 6526.04; (9)#H bond acceptors: 5; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 14; (12)Polar Surface Area: 52.75 Å²; (13)Index of Refraction: 1.46; (14)Molar Refractivity: 97.99 cm³; (15)Molar Volume: 357.7 cm³; (16)Polarizability: 38.84×10^-24cm³; (17)Surface Tension: 30.5 dyne/cm; (18)Density: 1.013 g/cm³; (19)Flash Point: 149.1 °C; (20)Enthalpy of Vaporization: 59.72 kJ/mol; (21)Boiling Point: 374.2 °C at 760 mmHg; (22)Vapour Pressure: 1.82E-05 mmHg at 25°C.

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(CCC[Si](O[Si](CCCOCC1OC1)(C)C)(C)C)CC2OC2
(2)InChI: InChI=1/C16H34O5Si2/c1-22(2,9-5-7-17-11-15-13-19-15)21-23(3,4)10-6-8-18-12-16-14-20-16/h15-16H,5-14H2,1-4H3
(3)InChIKey: MFIBZDZRPYQXOM-UHFFFAOYAL

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