1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE

1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE - Names and Identifiers

Name	1,3-Bis[(Acryloxymethyl)Phenethyl]Tetramethyldisiloxane
Synonyms	1,3-Bis[(Acryloxymethyl)Phenethyl]Tetramethyldisiloxane 1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE 1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE, tech-95 1,3-Bis[(acryloxymethyl)phenethyl]tetramethyl-disiloxane,mixedisomers (1,1,3,3-Tetramethyldisiloxane-1,3-diyl)bis(3-phenylpropane-2,1-diyl) diacrylate (1,1,3,3-tetramethyldisiloxane-1,3-diyl)bis(ethane-2,1-diylbenzene-4,1-diylmethanediyl) bisprop-2-enoate [2-[[dimethyl-(1-phenyl-3-prop-2-enoyloxypropan-2-yl)silyl]oxy-dimethylsilyl]-3-phenylpropyl] prop-2-enoate
CAS	140220-31-1
InChI	InChI=1/C28H38O5Si2/c1-7-27(29)31-21-25-13-9-23(10-14-25)17-19-34(3,4)33-35(5,6)20-18-24-11-15-26(16-12-24)22-32-28(30)8-2/h7-16H,1-2,17-22H2,3-6H3

1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE - Physico-chemical Properties

Molecular Formula	C28H38O5Si2
Molar Mass	510.77
Density	1.045g/cm³
Boling Point	535.5°C at 760 mmHg
Flash Point	>110°C
Vapor Presure	1.52E-11mmHg at 25°C
Storage Condition	2-8℃
Sensitive	4: no reaction with water under neutral conditions
Refractive Index	1.5272

1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE - Risk and Safety

Risk Codes	R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
TSCA	No

1,3-BIS[(ACRYLOXYMETHYL)PHENETHYL]TETRAMETHYLDISILOXANE - Introduction

1, 3-bis [(acryloyloxymethyl) phenethyl] tetramethyldisiloxane, chemical structure:

CH3(CH2)4Si(OCOC(CH3)=CH2)2(OSi(CH3)2(CH2)4CH=C(CH3)C6H4)2

The compound has the following properties and uses:

Nature:
-Appearance is colorless to light yellow viscous liquid.
-Soluble in organic solvents such as ethanol, ether and aromatic hydrocarbons.
-Good thermal stability and chemical resistance.

Use:
-As a silicone monomer, it can be used to synthesize silicone polymers and silicone elastomers.
-Used as a plasticizer and modifier to improve the flexibility, ductility and weather resistance of polymers.
-Used to prepare optical and electronic materials, such as optical adhesives for liquid crystal displays.
-It can be used as a surface treatment agent to improve the adhesion and wettability of materials.
-As an anti-wrinkle and skin care agent, added to cosmetics and skin care products.

Preparation Method:
1,3-Bis [(acryloyloxymethyl) phenethyl] tetramethyldisiloxane can be synthesized by the following steps:
1. Acrylic anhydride is reacted with 1,3-dimethoxysilane to generate 1,3-dimethoxysilyl acetone anhydride.
2.1,3-Dimethoxysilylacetone anhydride is esterified with styrene in the presence of an acid catalyst to obtain 1,3-bis [(acryloyloxymethyl) phenethyl] tetramethyldisiloxane.

Safety Information:
- 1,3-bis [(acryloyloxymethyl) phenethyl] tetramethyldisiloxane is an organic silicon compound and generally does not have acute toxicity.
-During use, it is recommended to take appropriate protective measures, including wearing chemical protective gloves and goggles.
-Avoid contact with skin and eyes, and make sure to operate in a well-ventilated place.
-For accidental contact, immediately flush the affected area with plenty of water and seek medical help.

Last Update：2024-04-09 15:17:52