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Zhishang Chemical

Pure Silicon CAS 7440-21-3

Molecular Formula: H4Si

Formula Weight: 32.12

ZSpharmac: Pure Silicon Supplement

Product Name: Pure Silicon
CAS No: 7440-21-3
Purity: 99%

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Basic Info

Product Name:Pure Silicon
Other Names:Silicon
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:White Powder
EINECS No.:231-130-8
Storage:Flammables Area
Provide:Pure Silicon MSDS;
Pure Silicon COA

What is Pure Silicon?

Pure Silicon is discovered in the sun and also celebrities, as well as is the primary component of a course of meteorites called “meteorites.” It is furthermore an aspect of ilmenite, an all-natural glass of uncertain origin. Natural silicon has 3 isotopes. Twenty-four various other radioisotopes are determined. Silicon composes 25.7% of the weight of the Earth’s crust as well as is the second most bountiful aspect after oxygen. Pure Silicon is not completely complimentary in nature, yet primarily exists in the form of oxides as well as likewise silicates. Sand, quartz, crystal, purple, agate, flint, jasper as well as also opal are a few of the kinds in which oxides appear. Granite, amphibole, asbestos, feldspar, clay mica, and more are merely a few of the many silicate minerals. Silicon is produced easily by house heating silica as well as likewise carbon in an electric heater making use of carbon electrodes. Facets can be prepared making use of many various other approaches. Amorphous silicon can be made into a brownish powder that can be swiftly melted or evaporated. Crystalline silicon has metal gloss as well as additionally light grey shade. Silicon in the form of silicon dioxide (SiO2) is one of the most plentiful material in the Planet’s crust. As a component, silicon is second just to oxygen on the planet in emphasis, however just 7th in the entire cosmos. Nevertheless, Pure Silicon is used as a standard (Si=1) to approximate the wealth of all various other parts in the universe.

The chemical element symbol of Pure Silicon is Si and the atomic number is 14. It is a hard as well as likewise delicate crystalline strong with a bluish-gray metal luster and additionally is a tetravalent metalloid and also semiconductor. It is a member of group 14 on the table of elements: carbon is above it; germanium, tin as well as also lead are below it. It’s fairly much less qualified. As a result of its high chemical fondness for oxygen, it was not till 1823 that Jöns Jakob Berzelius had the capacity to prepare oxygen as well as determine it in pure kind for the very first time. Its melting along with boiling factors are 1414 ° C and likewise 3265 ° C, specifically, the second best amongst all metalloids as well as nonmetals, after boron. Pure Silicon is the 8th most typical part in deep space by mass, yet hardly ever happens in the Planet’s crust in pure form. It is commonly dispersed in dirt, sand, moons as well as also earths in different type of silica (silicates) or silicates. Over 90% of the Earth’s crust is silicate minerals, making silicon the second most numerous aspect in the Planet’s crust (regarding 28% by mass), after oxygen.

Pure Silicon Property

Melting point 1410 °C(lit.)
Boiling point 2355 °C(lit.)
density 2.33 g/mL at 25 °C(lit.)
storage temp. Flammables area
form powder
color White
Specific Gravity2.42
PH13.5 (H2O, 20°C)
Water Solubility INSOLUBLE


Pure Silicon Application

Important silicon has numerous of among the most critical applications in this digital age. Among the major applications is incorporated circuit. Singular crystals of crystalline silicon are utilized in solid-state or semiconductor devices. High-purity silicon is doped with micronutrient such as boron, phosphorus, arsenic and also gallium, making it among the greatest semiconductors. They are used in transistors, power rectifiers, diodes and additionally solar cells. Pure Silicon rectifiers convert turning existing to course existing most effectively. Hydrogenated amorphous silicon converts solar power right into power. Silicones (unpredictable) are made use of in lotions to enhance the thing’s safety and security power to stop skin wetness from evaporating. Silicone polyethers are mostly made use of in water-based skin treatment formulas as well as supply improved meekness, gloss as well as likewise feel. Pure Silicon can similarly be used as an alloy when blended with iron, steel, copper, light weight aluminum as well as bronze. When incorporated with steel, it makes a superb spring for all kind of uses, including automobile.

Nutritional Value of Pure Silicon

In order to explore the degradation law and nutrient release characteristics of silicon fertilizer (SiO2) 42.4 kg/ha on pig manure bean and Gaodan grass under the condition of natural returning to the field, Guo Zihui and others from the School of Tropical Crops of Hainan University carried out the application of silicon fertilizer (SiO2) 42.4 kg/ha to pig manure bean. The effect of green manure on growth and nutrient content of Gaodancao and Gaodancao was studied under natural conditions by nylon mesh bag method. Nutrient release patterns. The results showed that the application of silicon fertilizer significantly increased the yield and silicon content of dung bean and high dan grass, and increased the nitrogen content of dung bean and the potassium content of high dan grass. The yield of Dancao increased by 27.87% and 24.90%; the content of Pure Silicon increased by 82.75% and 29.15%, respectively; the accumulation of nutrients (N+P+K) was increased by 30.60% and 28.80%; the nitrogen in pig feces and the potassium in Gaodan grass increased by 30.60% and 28.80%, respectively. 15.79% and 7.51%; after silicon application, the organic carbon degradation rate, nitrogen release rate and dry matter degradation rate of pig manure bean and high dan grass returning to the field from 3 to 56 days were significantly reduced. In the last 56 days, the degradation rates of organic carbon were 8.90% and 7.46%, the nitrogen release rates were 7.85% and 12.11%, and the dry matter degradation rate of pig feces was 12.53%; The effect of degradation law was not significant. The dry matter and organic carbon of Radix alba showed relatively high degradation acceleration. The nutrient release rates of nitrogen, phosphorus and potassium were 5.80-18.13% higher than those of Radix vulgare at 28 d after returning to the field. , laying the foundation for further improving the effect of green manure soil fertilization.

Sun Yongping from Nanjing Institute of Agricultural Sciences in Jiangsu hilly area studied the effect of different concentrations of Pure Silicon on the growth of strawberry in three-dimensional soilless culture. The results showed that the fresh weight and dry weight of strawberry plants increased in different concentrations of silicon, and the yield of strawberry plots increased by 20.9% in the 1.0 mmol/L treatment. The 1.0 mmol/LPure Silicon treatment significantly promoted the growth of strawberry plants and fruit yield. At the same time, the content of soluble solids and vitamin C in strawberry fruit quality indicators treated with 1.0 mmol/L silicon increased by 7.8% and 7.8%, respectively, compared with the control, which improved the fruit quality. The determination results of silicon content in strawberry plants showed that the silicon content of leaves in 0.1, 1.0 and 2.0 mmol/L treatments increased by 5.2%, 21.0% and 25.9%, respectively, compared with the control. In production, 1.0 mmol/L silicon treatment should be used to promote strawberry growth, improve strawberry yield and fruit quality.

Guilin Agricultural Science Research Center/Guilin Branch of Guangxi Academy of Agricultural Sciences Zhao Xiaomei and others studied the effects of different concentrations of silicon (Si) on the growth, photosynthetic characteristics and protective enzyme activities of watermelon seedlings. The influence of characteristics provides a theoretical basis. Methods: Using “Zaojia 8424” watermelon as experimental material, using hydroponics method, potassium silicate as silicon source, different silicon concentrations of 0 mg/L (CK), 28 mg/L (T1), 56 mg/L ( Effects of four treatments (T2) and 84 mg/L (T3) on the growth indexes, photosynthetic indexes and protective enzyme activities of watermelon seedlings. Results: In the range of 0-84 mg/LPure Silicon concentration, the transpiration rate (Tr) decreased with the increase of silicon concentration, and the chlorophyll content (SPAD value), POD and SOD activities increased with the increase of silicon concentration; 56 mg/LPure Silicon Compared with T3, T1 and CK treatments, the plant’s fresh weight was significantly increased by 33.47%, 52.42%, 65.59%, and the dry weight was significantly increased by 32.43%, 48.48%, Compared with T3, T1 and CK, the root length was significantly increased by 40.32%, 37.99% and 43.47%, respectively; the net photosynthetic rate was significantly increased by 32.78% and 37.53% compared with T1 and CK, and the stomatal conductance was significantly increased compared with T3, T1 and CK, respectively. Compared with T3, T1 and CK, the concentration of intercellular CO2 was significantly increased by 4.09%, 7.89% and 8.75%, respectively. The POD and SOD activities of T1, T2 and T3 treatment were increased on the 6th and 1st day respectively. It reached the maximum at 3 days, and the POD and SOD activities were higher than other treatments at 84 mg/L silicon concentration. Conclusion: The application of exogenous Pure Silicon can improve the photosynthesis and antioxidant enzyme activities of watermelon seedlings, and promote the growth of watermelon seedlings. The concentration of silicon in the nutrient solution is 56 mg/L.

Zeng Renjie from the Agricultural Technology Extension Station of Helong Township, Ninghua County, Fujian Province, studied the effects of different Pure Silicon fertilizers on the yield, quality and lodging resistance of Ninghua River Longgong rice, in order to provide information for the sustainable and stable development of Ninghua River Longgong rice. Technical Support. Taking ‘Yuzhenxiang’ as the test material, three different silicon fertilizer treatments [Senfu silicon fertilizer (S1), Cai Delong ETDA silicon fertilizer (S2), and no silicon fertilizer (S0, control)] were set to investigate the different silicon fertilizer treatments. Effects on yield formation, quality, stem morphology and mechanical characteristics of ‘Yuzhenxiang’. The results showed that the application of S1 treatment of Senfu silicon fertilizer and S2 treatment of Cai Delong ETDA silicon fertilizer was higher than the control without silicon fertilizer ‘Yuzhenxiang’, the yield was increased by 2.82% and 4.83%, and the number of effective ears increased by 11.57% and 13.74% compared with the control. The rate of whole milled rice increased by 7.48% and 13.07% compared with the control; the plant morphological characteristics (plant height, stem thickness, stem wall thickness, leaf length and width) had no significant effect, and the plant thrust resistance increased by 18.31% and 3.82%. The application of silicon fertilizer can increase the yield, quality and lodging resistance of rice to a certain extent, but there are differences in the promoting effect of different types of silicon fertilizer on rice. refer to.

Production Method of Pure Silicon

Industrial production includes crucible Czochralski method, suspension zone melting method, and neutron transmutation doping method.
All parts of the equipment, alloy quartz crucible, silicon polycrystal and seed crystal are cleaned before crucible Czochralski.
The silicon polycrystal is crushed to remove the graphite, and after degreasing with acetone, it is chemically cleaned, washed with deionized water until neutral, then cleaned by ultrasonic waves, dried by infrared, batched and doped, added to the alloy quartz crucible of the single crystal furnace, and then After being evacuated, melted, and artificially seeded under a circulating argon atmosphere, the shoulders and ends are placed. During the equal diameter growth of the crystal, the power needs to be properly adjusted according to the situation to obtain a product with a uniform diameter. After testing and weighing, the finished silicon single crystal is obtained.
The suspension zone melting method first cleans the equipment and raw materials, cuts off the silicon polycrystals, removes oil with acetone after grinding, carries out chemical cleaning, washes with non-ionized water until neutral, and then undergoes ultrasonic cleaning, infrared drying, batching and doping, Load the furnace, evacuate or fill with argon. The single crystal was purified by zone melting by high frequency heating under argon. The processes of preheating, seeding, shoulder placement, equal diameter and finishing are controlled manually. After testing and weighing, the finished silicon single crystal is obtained.

About Products:
If you need Silicon, a cosmetic raw material, please contact our service staff directly, we will provide you with high-quality products at the best price.
As an experienced Silicon manufacturer and supplier, ZSpharmac will provide Silicon raw materials to customers all over the world for a long time.
Over the years, the company has been adhering to the spirit of “integrity management, strict quality control, and customer first”, and has won unanimous praise from domestic and foreign customers.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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