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Methyl Phenyl Polysiloxane CAS 2116-84-9

Molecular Formula: C15H32O3Si4

Formula Weight: 372.75

ZSpharmac: Methyl Phenyl Polysiloxane Raw Material Supplier

Product Name: Methyl Phenyl Polysiloxane
CAS No: 2116-84-9
Purity: 99%

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Basic Info

Product Name:Methyl Phenyl Polysiloxane
Other Names:Phenyltris(trimethylsiloxy)Silane
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Transparent Liquid
EINECS No.:218-320-6
Storage:Room Temperature
Provide:Methyl Phenyl Polysiloxane MSDS;
Methyl Phenyl Polysiloxane COA

The same product type is PHENYL TRIMETHICONE; phenyl silicon-containing sesquiethylene oxide. We can produce these too.

What is Methyl Phenyl Polysiloxane?

Phenyltris(trimethylsiloxanyl)silane is an organosilicon compound with the chemical formula C18H28Si2O2. It is a compound formed by a benzene ring and three trimethylsiloxane groups connected to a silicon atom. This compound has high thermal and chemical stability and is often used as a catalyst or precursor of functional materials in organic synthesis. It can be used as a reducing agent, catalyst and reaction intermediate in organic synthesis, and is widely used in the fields of organic synthesis, polymer materials and surface modification.

Methyl Phenyl Polysiloxane Property

Melting point -102°C
Boiling point 264 °C(lit.)
density 0.921 g/mL at 20 °C(lit.)
vapor pressure 0.09Pa at 25℃
refractive index n20/D 1.437
Fp 127°C
storage temp. Inert atmosphere,Room Temperature
form clear liquid
color Colorless to Almost colorless
Specific Gravity0.924
Water Solubility 6.6μg/L at 23℃


Methyl Phenyl Polysiloxane Uses

1. As a reagent: PhSi(OCH3)3 can be used as a reagent in organic synthesis, such as silanization reaction, silane coupling reaction, etc. in organic synthesis.

2. As a silane protective agent: PhSi(OCH3)3 can be used as a silane protective agent in organic synthesis to protect active functional groups such as hydroxyl groups and amine groups to prevent unnecessary side reactions during the reaction.

3. As a surface treatment agent: PhSi(OCH3)3 can be used as a surface treatment agent to improve the wettability, wear resistance and corrosion resistance of the material surface. It is often used for surface treatment of metal, glass, ceramics and other materials.

4. As a coating additive: PhSi(OCH3)3 can be used as an additive in coatings to improve the weather resistance, chemical resistance and abrasion resistance of coatings, as well as improve the adhesion and gloss of coatings.

5. As a precursor of electronic materials: PhSi(OCH3)3 can be used to prepare organic silicon materials with special electronic properties, such as used to prepare organic silicon thin film solar cells, organic light-emitting diodes (OLED), etc.

Contact Us

About Products:
If you need the cosmetic raw material Methyl Phenyl Polysiloxane, please contact our service staff directly, we will provide you with high-quality products at the best price.
Our company, as an experienced Methyl Phenyl Polysiloxane manufacturer and supplier, ZSpharmac will provide Methyl Phenyl Polysiloxane raw materials to customers around the world for a long time.
Over the years, the company has adhered to the spirit of “integrity management, strict quality control, and customer first” and has won unanimous praise from customers at home and abroad.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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