Jiujiang Deep Sea Technology Development Co., Ltd.

The multifaceted charm of dimethicone: from characteristics, applications to identification methods

Feb 18, 2025

Dimethyl silicone oil


In many fields such as modern industry, medicine, daily chemicals and even food, dimethyl silicone oil, a well-known chemical term, plays a pivotal role. As a polymer compound, it has become an indispensable part of many product formulas due to its unique physical and chemical properties. This article will give you a comprehensive understanding of this magical chemical, and deeply explore its characteristics, properties, application fields and specific identification methods.

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Product Features

 

Colorless and odorless, molecular weight varies with degree of polymerization

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Transparent liquid to thick semi-solid

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It is insoluble in water, methanol, vegetable oil and paraffin, slightly soluble in ethanol, butanol and glycerol, and easily soluble in benzene, toluene, xylene, ether and chlorinated alkanes.

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Small viscosity-temperature coefficient, large compressibility, small surface tension, good hydrophobicity and moisture resistance, small specific heat capacity and thermal conductivity.

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It has excellent electrical insulation properties and heat resistance, high flash point and low freezing point, and can be used for a long time in the temperature range of -50~+200°C.

 

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Product properties

 

Colorless, clear, oily liquid, odorless or almost odorless

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This product is easily soluble in trifluoromethane, ether, toluene, ethyl acetate, and methyl ethyl ketone, but insoluble in water or ethanol.

 

 

Application Areas

 

Used as defoamer in chemical, pharmaceutical and food industries

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Used as an efficient release agent in the molding process of plastics and rubber

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Used as a polish for cars, furniture, floors and leather

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Used as high temperature resistant dielectric liquid in electrical and electronic industries

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Used as hair oil, hair cream, hair styling agent, hair fixative and sunscreen in the cosmetics industry

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Glass, ceramics, metals, textiles, cement products, etc. treated with this product are not only water-repellent, but also corrosion-resistant, mildew-proof, with a smooth surface and a smooth feel. It can also be used as a high-low temperature lubricant between various materials, a lubricant for plastic manufacturing, and as a shock-proof damping material for precision machinery and instruments.

 

 

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Product Identification Method

 

 

Take 0.5g of this product, add 0.5ml of sulfuric acid and 0.5ml of nitric acid, and slowly burn to form white fibrous material, leaving white residue.

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Take 0.5g of this product, put it in a test tube, heat it on low heat until white smoke appears, and invert the test tube on another test tube containing 1ml of 0.1% sodium chromotropic acid sulfuric acid solution, so that the white smoke contacts the solution.

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Shake the second test tube for 10 seconds, heat it in a water bath for 5 minutes, and the solution will appear purple. The infrared absorption spectrum of this product should be consistent with the reference spectrum (spectral set 10).

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Jiujiang Deepsea Technology Development Co., Ltd./Jiangxi Better Silicon New Materials Co., Ltd.

-Specializing in the production of high-purity, high-transparency, low-viscosity dimethyl silicone oil-

2024112710120611

 

Contact: Manager Zhang

Tel: 18707927636 (same as WeChat ID)

 

Jiujiang Deep Sea Technology Development Co., Ltd. is affiliated to Jiangxi Baite Silicon New Materials Co., Ltd. and is its

wholly-owned subsidiary. The following is an introduction to Jiangxi Baite Silicon New Materials Co., Ltd.

Jiangxi Baite Silicon New Materials Co., Ltd was established in 2012. It located at Xinghuo industrial park (Asian Silicon Capital).

We are a company dedicated to the production and research and development of organic silicon products. The total capital asset is CNY 300 million. Own a production line of 170000 Tons per year for organic silicon series silicone oil. Widely used in the building materials industry, textile industry,daily chemical industry, and special operations industry. Quality is the lifeline of enterprise development. Baite own strong technological capabilities and continuously optimizes a ndmatches by utilizing industrial resources, strive to achieve scientific,standardized, and reasonable standards. Our company uses high-quality raw materials and strictly quality control system. Every product launched by the company into the market must exceed national standards. We focus on building a talent team and improving its quality, with R&D personnel accounting for over 30%. The company strives to improve the quality of its employees and strives to build a high-quality, efficient, and highly executable team, enabling them to work effectively.

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