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85857-16-5 Usage

Chemical Properties


Flammability and Explosibility


Check Digit Verification of cas no

The CAS Registry Mumber 85857-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,8,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 85857-16:
175 % 10 = 5
So 85857-16-5 is a valid CAS Registry Number.



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017


1.1 GHS Product identifier

Product name 1H,1H,2H,2H-Perfluorooctyltrimethoxysilane

1.2 Other means of identification

Product number -
Other names trimethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:85857-16-5 SDS

85857-16-5Downstream Products

85857-16-5Relevant articles and documents

Method for synthesizing flurosilicon compound by using continuous flow microreactor


Paragraph 0045; 0046, (2019/04/10)

The invention belongs to the technical field of a fluorine-containing material, and particularly relates to a method for synthesizing a flurosilicon compound by using a continuous flow microreactor. The synthesis method is characterized in that the continuous flow microreactor is used as a reaction device; the method comprises the following steps of (1) flowing fluoroolefin, alkoxy silane and catalysts dissolved into organic solvents into a mixed reaction module M with the preset temperature T for mixed reaction respectively through metering pumps P1, P2 and P3 via a material passage A, a material passage B and a material passage C; (2) after the mixed reaction is completed, flowing reaction liquid flows out of an outlet D; performing post treatment by flow-out reaction liquid to obtain the flurosilicon compound. The synthesis method provided by the invention has the advantages of scientificalness, reasonableness, simplicity and easy implementation. The problems of serious heat release, difficult operation control, rigorous equipment requirement, low yield, long reaction time and the like in the existing chlorsilane silicon and hydrogen addition can be solved.

Syntheses and Reactions of Metal Organics. XVIII. Syntheses of (1H,1H,2H,2H-Polyfluoroalkyl)trimethoxysilanes and Surface Modification of Glass Plate

Yoshino, Norio,Yamamoto, Yasushi,Hamano, Katsumi,Kawase, Tokuzo

, p. 1754 - 1758 (2007/10/02)

Four silane coupling agents, (1H,1H,2H,2H-polyfluoroalkyl)trimethoxysilanes ((1H,1H,2H,2H-henicosafluorododecyl)trimethoxysilane, C10F21C2H4Si(OCH3)3, (1H,1H,2H,2H-heptadecafluorodecyl)trimethoxysilane, C58F17C2H4Si(OCH3)3, (1H,1H,2H,2H-tridecafluorooctyl)trimethoxysilane, C6F13C2H4Si(OCH3)3, and (1H,1H,2H,2H-nonafluorohexyl)trimethoxysilane, C4F9C2H4Si(OCH3)3), were prepared by the hydrosilylation of trichlorosilane with the corresponding 1H,1H,2H,-polyfluoro-1-alkene in the presence of hydrogen hexachloroplatinate-(IV), followed by reaction with sodium methoxide.The surface modification of glass plate was attempted using these products.From measurements of the contact angles θ (deg) of water and oleic acid against a modified glass plate surface, the coupling agents were found to have high modification ability.The modification produced a glass surface with high oxidation resistance.

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