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Phenyltriethoxysilane; PTES(CAS#780-69-8)

Chemical Property:

Molecular Formula C12H20O3Si
Molar Mass 240.37
Density 0.996g/mLat 25°C(lit.)
Melting Point <-50°C
Boling Point 112-113°C10mm Hg(lit.)
Flash Point 109°F
Water Solubility insoluble
Vapor Presure 0-7910Pa at 20-25℃
Vapor Density >1 (vs air)
Appearance liquid
Specific Gravity 0.996
Color Colorless to Almost colorless
BRN 2940602
Storage Condition Inert atmosphere,Room Temperature
Sensitive 7: reacts slowly with moisture/water
Refractive Index n20/D 1.461(lit.)
Physical and Chemical Properties Colorless transparent liquid with mild odor
Use Used as a raw material for the preparation of high molecular organic compounds

Product Detail

Product Tags

Risk Codes R10 – Flammable
R21 – Harmful in contact with skin
R36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description S37/39 – Wear suitable gloves and eye/face protection
S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S16 – Keep away from sources of ignition.
S24/25 – Avoid contact with skin and eyes.
UN IDs UN 1993 3/PG 3
WGK Germany 3
RTECS VV4900000
FLUKA BRAND F CODES 10-21
TSCA Yes
HS Code 29310095
Hazard Class 3.2
Packing Group III

 

Introduction

Phenyltriethoxysilane. The following is an introduction to the properties, uses, preparation methods and safety information of phenytriethoxysilanes:

 

Quality:

1. The appearance is colorless or yellowish liquid.

2. It has a low vapor pressure and a high flash point at room temperature.

3. Insoluble in water, but soluble in organic solvents such as ether, chloroform and alcohol solvents.

4. It has good chemical stability and can withstand higher temperature and oxidation environment.

 

Use:

1. As a chemical reagent for organic synthesis, it can be used to synthesize other organosilicon compounds.

2. As a surfactant and dispersant, it can be used in industrial applications such as coatings, wallpaper and inks.

3. In the field of electronics, it can be used to prepare silicone materials, such as optical fiber coating and electronic packaging materials.

 

Method:

A commonly used preparation method is to react phenyltrimethylsilane with ethanol under alkaline conditions to obtain phenyl triethoxysilane.

 

Safety Information:

1. Phenyltriethoxysilane is a flammable liquid and should be kept away from open flames and ignition sources.

2. Avoid skin contact and inhalation, and wear protective gloves, protective glasses and respiratory protective equipment when necessary.

3. In case of accidental contact or inhalation, rinse immediately with plenty of water or seek medical assistance.

4. When storing, it should be sealed and stored, away from sunlight and heat sources, and not mixed with oxidants.

 


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