CAS No.18547-93-8,1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane Suppliers

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Basic Information

Molecular Structure:
CAS No.:	18547-93-8
Name:	1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane
Article Data:	3

Formula:	C₁₈H₃₄O₅Si₂
Molecular Weight:	386.636
Synonyms:	2-Propenoicacid, 2-methyl-, (1,1,3,3-tetramethyl-1,3-disiloxanediyl)di-3,1-propanediylester (9CI);Methacrylic acid, (tetramethyldisiloxanylene)bis(trimethylene)ester (6CI);1,3-Bis(3-methacryloxypropyl)-1,1,3,3-tetramethyldisiloxane;1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane;1,3-Bis[3-(methacryloyloxy)propyl]-1,1,3,3-tetramethyldisiloxane;1,3-Bis[3-(methacryloyloxy)propyl]tetramethyldisiloxane;SIB 1402.0;TSL 9706;
EINECS:	242-419-3
Density:	0.965 g/cm³
Melting Point:	< 0 °C
Boiling Point:	394.3 °C at 760 mmHg
Flash Point:	159.8 °C
Solubility:	1.5μg/L at 20℃
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-36
PSA:	61.83000
LogP:	4.43200

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Specification

The 2-Propenoic acid,2-methyl-, 1,1'-[(1,1,3,3-tetramethyl-1,3-disiloxanediyl)di-3,1-propanediyl]ester, with the CAS registry number 18547-93-8, is also known as 1,3-Bis(3-methacryloxypropyl)tetramethyldisiloxane. It belongs to the product categories of Industrial/Fine Chemicals; Monomer. Its EINECS registry number is 242-419-3. This chemical's molecular formula is C₁₈H₃₄O₅Si₂ and molecular weight is 386.6306. Its systematic name is called (1,1,3,3-tetramethyldisiloxane-1,3-diyl)dipropane-3,1-diyl bis(2-methylprop-2-enoate).

Physical properties of 2-Propenoic acid,2-methyl-, 1,1'-[(1,1,3,3-tetramethyl-1,3-disiloxanediyl)di-3,1-propanediyl]ester: (1)ACD/LogP: 7.51; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.51; (4)ACD/LogD (pH 7.4): 7.51; (5)ACD/BCF (pH 5.5): 301495.59; (6)ACD/BCF (pH 7.4): 301495.59; (7)ACD/KOC (pH 5.5): 290832.59; (8)ACD/KOC (pH 7.4): 290832.59; (9)#H bond acceptors: 5; (10)#Freely Rotating Bonds: 14; (11)Index of Refraction: 1.448; (12)Molar Refractivity: 107.3 cm³; (13)Molar Volume: 400.2 cm³; (14)Surface Tension: 26.2 dyne/cm; (15)Density: 0.965 g/cm³; (16)Flash Point: 159.8 °C; (17)Enthalpy of Vaporization: 64.43 kJ/mol; (18)Boiling Point: 394.3 °C at 760 mmHg; (19)Vapour Pressure: 2E-06 mmHg at 25°C.

Preparation: this chemical can be prepared by 3-(chlorodimethylsilyl)propyl methacrylate. This reaction will need reagent 5percent aq. hydrochloric acid and solvent toluene. The reaction time is 30 min with reaction temperature of 40 °C. The yield is about 95%.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause inflammation to the skin or other mucous membranes. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(OCCC[Si](O[Si](CCCOC(=O)\C(=C)C)(C)C)(C)C)\C(=C)C
(2)InChI: InChI=1/C18H34O5Si2/c1-15(2)17(19)21-11-9-13-24(5,6)23-25(7,8)14-10-12-22-18(20)16(3)4/h1,3,9-14H2,2,4-8H3
(3)InChIKey: ZIFLDVXQTMSDJE-UHFFFAOYAG