3-Phenyl-1,1,3,5,5-Pentamethyltrisiloxane

3-Phenyl-1,1,3,5,5-Pentamethyltrisiloxane - Names and Identifiers

Name	3-Phenyl-1,1,3,5,5-Pentamethyltrisiloxane
Synonyms	Einecs 241-886-0 1,1,3,5,5-Pentamethyl-3-phenyltrisiloxan 1,1,3,5,5-pentamethyl-3-phenyltrisiloxane 3-Phenyl-1,1,3,5,5-Pentamethyltrisiloxane 3-PHENYL-1,1,3,5,5-PENTAMETHYLTRISILOXANE Trisiloxane, 1,1,3,5,5-pentamethyl-3-phenyl- Pentamethylphenyl dihydrotrisiloxane IOTA 2238 1,1,3,5,5-Pentamethyl-3-phenylpentanetrisiloxane 1,1,3,5,5-pentamethyl-3-phenyltrisiloxane-1,5-diyl [(dimethyl-λ3-silanyl)oxy-methyl-phenylsilyl]oxy-dimethylsilicon
CAS	17962-34-4
EINECS	241-886-0
InChI	InChI=1/C11H20O2Si3/c1-14(2)12-16(5,13-15(3)4)11-9-7-6-8-10-11/h6-10H,1-5H3

3-Phenyl-1,1,3,5,5-Pentamethyltrisiloxane - Physico-chemical Properties

Molecular Formula	C11H22O2Si3
Molar Mass	270.55
Density	1,023 g/cm3
Boling Point	88°C 6mm
Flash Point	80℃
Specific Gravity	1.023
Sensitive	3: reacts with aqueous base
Refractive Index	1.4471

3-Phenyl-1,1,3,5,5-Pentamethyltrisiloxane - Risk and Safety

Risk Codes	36/37/38 - 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

3-Phenyl-1,1,3,5,5-Pentamethyltrisiloxane - Introduction

3-Phenyl-1,1,3,5,5-pentamethyltrisilane is an organosilicon compound with the chemical formula C19H26O3Si3.

The compound mainly has the following properties:
1. Appearance: Often colorless or light yellow liquid.
2. Melting Point: about -50 ℃.
3. Boiling point: About 215-225 ℃.
4. Solubility: Soluble in organic solvents, such as ethanol, ethers and aromatic hydrocarbons.

The main uses of 3-Phenyl-1,1,3,5, 5-pentamethyltrisilane include:
1. Functional surfactant: can be used as wetting agent, suspending agent and emulsifier, used in the preparation of cosmetics, lubricants and coatings and other products.
2. Silicone crosslinking agent: It can be used as a crosslinking agent for coatings, glues and sealants to improve its chemical resistance and heat resistance.
3. Functional lubricant: suitable for lubrication under high temperature, high pressure and high load environment.

The method of preparing 3-Phenyl-1,1,3, 5,5-pentamethyltrisilane mainly includes:
1. Synthesis of Silane Coupling Agent: 3-Phenyl-1,1,3,5,5-pentamethyltrisilane was obtained by reacting tribenzyl chlorosilane with Phenyl chlorosilane under alkali catalysis.
2. Preparation by babarolo method: the target product is obtained by reacting benzyl bromide with tribenzyl chlorosilane under babarolo method.

Regarding safety information, you need to pay attention to the following:
1. 3-Phenyl-1,1,3,5, 5-pentamethyltrisilane is irritating, please avoid contact with skin and eyes, and wear appropriate personal protective equipment if necessary.
2. Inhalation may cause respiratory tract irritation, should maintain a well-ventilated working environment.
3. If inhaled or ingested, please seek medical attention immediately and show the safety data sheet of the product to the doctor.
4. Please store in a sealed container, away from fire and oxidant.

Last Update：2024-04-09 19:05:47