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Cyclotetrasiloxane, octakis[(trimethylsilyl)oxy]-, also known as D4, is a cyclic oligomer of dimethylsiloxane, consisting of four silicon atoms connected to oxygen atoms in a ring structure. Each silicon atom is bonded to three oxygen atoms and three methyl groups, resulting in a highly stable and non-reactive molecule. Cyclotetrasiloxane, octakis[(trimethylsilyl)oxy]- is widely used in various applications, including as a component in personal care products, as a fluid in silicone-based lubricants, and as a processing aid in the manufacturing of silicone rubber and resins. D4 is known for its low toxicity, high thermal stability, and excellent resistance to oxidation, making it a valuable chemical in the silicone industry.

5170-13-8

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5170-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5170-13-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,1,7 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 5170-13:
(6*5)+(5*1)+(4*7)+(3*0)+(2*1)+(1*3)=68
68 % 10 = 8
So 5170-13-8 is a valid CAS Registry Number.

5170-13-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name [2,4,4,6,6,8,8-heptakis(trimethylsilyloxy)-1,3,5,7,2,4,6,8-tetraoxatetrasilocan-2-yl]oxy-trimethylsilane

1.2 Other means of identification

Product number -
Other names Cyclotetrasiloxane,octakis[(trimethylsilyl)oxy]

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:5170-13-8 SDS

5170-13-8Downstream Products

5170-13-8Relevant academic research and scientific papers

Reactions of Trimethylsilylated Silicate Anions in Acidic Media. Part 2. The Influence of Reaction Parameters

Garzo, Gabriella,Hoebbel, Dagobert,Vargha, Anna,Ujszaszi, Kalman

, p. 1857 - 1862 (2007/10/02)

It is shown that the ion-exchange resin Amberlyst 15 acts as a powerful proton donor for SiO bond cleavages and rearrangements of trimethylsiloxysiloxanes.In the presence of hexamethyldisiloxane, transformations of trimethylsiloxysiloxanes of different structure show a dual effect: highly caged structures are loosened, while very loose structures become more rigid.Tetrameric ring stuctures predominate in the reaction products.The transformation reactions are controlled by the acid to hexamethyldisiloxane ratio in the reaction mixture.In the absence of hexamethyldisiloxane trimethylsiloxysiloxanes are highly degraded.

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