18772-36-6

Usage

Uses

Used in Cosmetic and Personal Care Industry:
Eicosamethylcyclopentasiloxane is used as an emollient and conditioning agent for its ability to provide a smooth and silky feel to the skin and hair. It is incorporated into various beauty products such as lotions, creams, and hair care products to improve their texture and performance.
Used in Skin Care Products:
Eicosamethylcyclopentasiloxane is used as a skin conditioning agent to enhance the smoothness and softness of the skin. Its non-greasy texture and quick absorption make it an ideal ingredient for skin care formulations, providing a pleasant sensory experience for users.
Used in Hair Care Products:
In hair care products, Eicosamethylcyclopentasiloxane is used as a conditioning agent to improve the manageability, shine, and overall health of the hair. Its ability to provide a smooth texture without weighing the hair down makes it a preferred ingredient in hair care formulations.
Used as an Alternative to Traditional Hydrocarbon-based Oils and Emollients:
Eicosamethylcyclopentasiloxane is used as a substitute for traditional hydrocarbon-based oils and emollients due to its unique properties, such as low viscosity, quick evaporation, and non-greasy texture. This makes it a preferred choice for formulations that require a lightweight, smooth, and silky feel.

InChI:InChI=1/C20H60O10Si10/c1-31(2)21-32(3,4)23-34(7,8)25-36(11,12)27-38(15,16)29-40(19,20)30-39(17,18)28-37(13,14)26-35(9,10)24-33(5,6)22-31/h1-20H3

Upstream product

• 33006-95-0 C₂₀H₆₂O₉Si₁₀ 
• 18772-68-4 α,ω-Dichlor-eicosamethyl-decasiloxan 
• 4098-30-0 dodecamethylcyclohexasilane 

Relevant academic research and scientific papers

Hydrogenolysis of Polysilanes Catalyzed by Low-Valent Nickel Complexes

The dehydrogenation of organosilanes (RxSiH4?x) under the formation of Si?Si bonds is an intensively investigated process leading to oligo- or polysilanes. The reverse reaction is little studied. To date, the hydrogenolysis of Si?Si bonds requires very harsh conditions and is very unselective, leading to multiple side products. Herein, we describe a new catalytic hydrogenation of oligo- and polysilanes that is highly selective and proceeds under mild conditions. New low-valent nickel hydride complexes are used as catalysts and secondary silanes, RR′SiH2, are obtained as products in high purity.

High-efficiency macrocyclic dimethyl siloxane compound preparation method

The invention discloses a high-efficiency macrocyclic dimethyl siloxane compound preparation method which comprises the following steps: (1) utilizing tetramethyl disiloxane and octamethyl cyclotetrasiloxane as raw materials, performing ring-openingopen cycle in a sodium hydroxide or potassium hydroxide water solution and then inserting again to obtain dimethyl hydrogen silicone end capped direct-linked siloxane; (2) chlorinating the dimethyl hydrogen silicone end capped direct-linked siloxane with acetyl chloride under a catalytic effect of aluminum trichloride to obtain dimethyl chlorosilane end capped direct-linked siloxane; (3) hydrolyzing the direct-linked siloxane under the alkali condition to obtain varieties of macrocyclic diemthyl silicon ring bodies. The preparation method has simple steps and economical and safe technology and can be used for obtaining varieties of high-purity macrocyclic diemthyl silicon ring body products from simple raw materials; thus, high-difficulty distillation is avoided, and the preparation method is very suitable for industrial production.