Product Description

Chemical Name:  

Tetraethyl orthosilicate 

Synonyms:   

Ethyl silicate; Tetraethoxysilane; TEOS

CAS NO.: 78-10-4

EINECS No.: 201-083-8

Molecular Weight: 208.33

Typical Technical Data 

The below values are not intended for use in

preparing specifications. Please confirm with us prior to writing specifications on this product.

Appearance:   Colorless transparent liquid

Specific Gravity (ρ20°C,g/cm3):  0.929-0.936

Refractive index: 1.3820-1.3840

Purity ((by GC, %):  98 min

Content of SiO2(%):  28 min

Alcohol (%):  2max  

Safety & Storage

Customers should review the latest MSDS and label for product safety information, safe handling instructions, personal protective equipment if necessary, and any special storage conditions required for safety. MSDS is available at your request.

Keep away from heat and open flame. When stored at room temperature in the original

unopened containers, this product has a usable life of 12 months from the date of production.

Packaging

210L Iron Drum：190/180kg/drum

1000L IBC Container: 1000kg/container

Applications

Silane OSi HIOSil TEOS is an essential silica esters in the below industries:

• As a binder for coatings and paints.

• As cross linking agent for silicone rubber.

• As a binder for casting, ceramic materials and others.