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Triethoxyoctylsilane CAS 2943-75-1

Molecular Formula: C14H32O3Si

Formula Weight: 276.49

ZSpharmac: Triethoxyoctylsilane Supplier

Product Name: Triethoxyoctylsilane
CAS No: 2943-75-1
Purity: 99%

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Basic Info

Product Name:Triethoxyoctylsilane
Other Names:N-Octyl Triethoxysilane
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Colorless to Almost Colorless Liquid
EINECS No.:220-941-2
Storage:Store Below +30°C.
Provide:Triethoxyoctylsilane MSDS;
Triethoxyoctylsilane COA

What is Triethoxyoctylsilane?

Triethoxyoctylsilane is a high-efficiency permeable concrete silane impregnated safety agent with energetic components. It has the advantages of excellent leaks in the structure and also water resistance. Silicone network structure.

Triethoxyoctylsilane Property

Melting point <-40°C
Boiling point 84-85 °C0.5 mm Hg(lit.)
density 0.88 g/mL at 25 °C(lit.)
vapor pressure 0.1 hPa (20 °C)
refractive index n20/D 1.417(lit.)
Fp 210 °F
storage temp. Store below +30°C.
solubility Acetonitrile (Slightly), Chloroform (Slightly)
form liquid
Specific Gravity0.875
color Colorless to Almost colorless
Water Solubility reacts


Triethoxyoctylsilane Uses

Triethoxyoctylsilane is a long-chain alkyl silane combining representative that can be used to deal with inorganic products (such as glass, silica, Al2O3, kaolin, porcelains, mica, SiC, talc, and so on) to enhance the relationship between inorganic products and also natural products (such as Compatibility of plastics, rubber oils, adhesives) to boost the mechanical residential properties of the product; utilize it as a glass anti-fog representative to safeguard empty glass and also film-treated glass, protect optical get rid of scales and also metal frames as well as accuracy Tool; made use of as social relic security agent to avoid acid corrosion, freeze-thaw, as well as weathering damages to social relics (particularly outdoor social relics); used as fabric finishing agent to make cotton, linen, woollen as well as combined fabrics plump, smooth, and woolly Solid feeling, and also can properly boost the hydrophobicity of fabrics; it can likewise be utilized for design plastic adjustment, developing water resistant and also anti-corrosion, rubber and also plastic mold and mildew launch, etc.

Preparation of Triethoxyoctylsilaned

Using n-octene and triethoxyhydrogensilane as raw materials, one-step synthesis of n-octyltriethoxysilane by hydrosilylation method, one is simple in technology, and the other is that the product does not contain chloride ions, and the equipment is No corrosion. The synthetic reaction formula of n-octyltriethoxysilane is as follows:

Experimental operation:
In a three-necked flask equipped with a stirrer, a reflux condenser, and a dropping funnel, add n-octene and a catalyst, stir and heat, when the temperature rises to 80-90°C, stop heating, and add triethylamine dropwise with a dropping funnel. After the dropwise addition of oxyhydrogensilane, the temperature is controlled at 90-100°C for a period of time to stop the reaction, and the reaction solution is analyzed by GC. The reaction solution was rectified at atmospheric pressure, and the fraction product at 98°C was collected, and the collected product was analyzed by GC-MS.

Conclusions for the pPreparation of Triethoxyhydrogensilane

It is feasible to adopt n-octene and triethoxyhydrogensilane to react one-step synthesis of n-octyltriethoxysilane under the action of platinum catalyst, and the preferred reaction conditions are: n-octene and triethoxyhydrosilane Feed in a ratio of 1.05:1, react by adding triethoxyhydrogensilane dropwise, control the reaction temperature at 90-100°C, and react for about 3 hours to obtain more than 90% of the crude product, which can be purified by rectification The crude product was purified to more than 98%.

About Products:
If you need Triethoxyhydrogensilane, a cosmetic raw material, please contact our service staff directly, and we will provide you with high-quality products at the best price.
As an experienced manufacturer and supplier of Triethoxyhydrogensilane, our company,
ZSpharmac will provide ETriethoxyhydrogensilane raw material for customers all over the world for a long time.
Over the years, the company has been adhering to the spirit of “integrity management, strict quality control, customer first”, and has won unanimous praise from domestic and foreign customers.

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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