Perfluorooctyltrimethoxysilane CAS 85857-16-5

Perfluorooctyltrimethoxysilane CAS 85857-16-5

Product Description

Product Identification

Chemical name: Perfluorooctyltrimethoxysilane

Synonyms: Trimethoxy(1H,1H,2H,2H-tridecafluoro-n-octyl)silane

CAS No.: 85857-16-5

Molecular formula: C11H13F13O3Si

Molecular weight: 468.28

Boiling point: 217 °C @ 760 mmHg

Density: 1.453 g/mL

Refractive index: 1.335


Appearance: Colorless transparent liquid

Purity: 98.00%min by GC

Moisture: 0.50%max


Regular Packing: N.W 25kg/200kg iron drum lined with plastic

Sample Packing: 0.1kg-1kg plastic bottle

Transport Information


Non-dangerous goods

HS Code: 2931900090

Status & Application

Status: Industrial scale


1) Used as a coupling agent to increase the bonding strength of the fluorine-containing resin and the substrate.

2) Used to prepare water-proof, oil-proof and anti-fouling treatment agents, and it can be used in the protection of water-proof, anti-fouling and weathering of cultural relics, masonry, metal, wood, etc.

3) Used as a finishing agent to reduce the water holding capacity of natural fiber (wool, cotton, leather, etc.) products, and to improve surface water repellency and stain resistance.

4) Used as a water-repellent and antifouling treatment on the surface of glass.

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