Product
Supplier
Encyclopedia
Inquiry
Home > Specialty Chemicals > Silicon for Sale > Silicon 99.9%
Silicon 99.9% buy - large image1
Silicon 99.9% buy - image1
Silicon 99.9% buy - image2
Silicon 99.9% buy - image3
Silicon 99.9% buy - image4
Silicon 99.9% buy - image5
Silicon 99.9% buy - image6

Silicon 99.9%

COA 18 Inquiries

Unit Price:

$1/KG FOB

Get Latest Price
CAS No.:

7440-21-3

Grade:

Top Product

Content:

99%

Port:

Shanghai

Brand:

Dideu

Packaging:

1G/BOTTKE 10x10Vials

Price valid (until):

2026-09-25

Company Type:
Manufactory
Location:
China
Qualification:
Main Products:

Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Shop Airtal-Detailed Image 1

    Our Reference Specification, for more details, pls contact us for COA, MSDS and certification:

    Email & Skype: Service@dideu.com Telephone:+86-29-89586680
    Mobile:+86-15129568250; Whatsapp&Wechat: +8615129568250

    Shop Airtal-Detailed Image 2

    Item Standard Test Results
    Identification A.H-NMR:Comply with the structure Complies
    B.LC-MS:Comply with the structure Complies
    C.The IR spectrum of sample should be identical with that of reference standard. Complies
    D.HPLC-ESI-MS Complies
    The retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay.
    Loss on drying ≤2.0% 0.19%
    Heavy metals ≤10 ppm <10ppm
    Water ≤1.0% 0.10%
    Sulphated ash ≤0.5% determined on 1.0 g. 0.01%
    Residue on ignition ≤0.1% 0.03%
    Related Substances Unspecified impurities: for each impurity ≤0.10% <0.10%
    Total Impurity ≤0.5% 0.18%
    Purity ≥99.0% 99.70%
    Assay 99.0%~101.0% (anhydrous substance). 99.80%
    Storage Preserve in well-closed, light-resistant and airtight containers. Complies

    Shop Airtal-Detailed Image 3

    The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.

    Shop Airtal-Detailed Image 4

    Shop Airtal-Detailed Image 5 Shop Airtal-Detailed Image 6

    Shop Airtal-Detailed Image 7 Shop Airtal-Detailed Image 8 Shop Airtal-Detailed Image 9

    a) Free sample can be supplied.

    b) Guide our clients by professional knowledge and teach them how to use our product after sales.

    c) Accept SGS, BV any other third-party inspection before loading.d) High quality best price GuaranteedShop Airtal-Detailed Image 10

    Shop Airtal-Detailed Image 11

    Why do you choose Dideu Industries as your partner?
    A) High quality can be guaranteed. Dideu Industries since 1975 are reputed chemical manufacturer and are Certified by ISO 9001;2015 and have GMP certification.Free sample can be arranged before shipment and SGS,BV and other third party inspection company are accepted before loading.For regular customers, we accept L/C 180 Days, D/P,D/A payment term. If there is any quality problem after goods arrive. Dideu Industries will do fully payment refund.
    B) Best price can be guaranteed. As Dideu Industries are integrated pharmaceuticals and chemicals producer, the production cost can be controlled and price will be definitely more competitive than China trading companies.
    C) Professional enginners from Dideu Industries will give professional usage guide and services after sales.
    D) Dideu Industries work 7×24 hours and your request will be processed by our professional staff in different shift period.

    Shop Enc-lomiphene citrate-Detailed Image 12 


    Shop Enc-lomiphene citrate-Detailed Image 13 


    Shop Enc-lomiphene citrate-Detailed Image 14

    Shop Enc-lomiphene citrate-Detailed Image 15


    Shop Enc-lomiphene citrate-Detailed Image 16

    Company Information:

    Dideu is one of the largest producer for general chemical, pharmaceutical, nutrition additive, natural extracts, agrochemical and Daily-Use Chemical in China and is headquartered in Shaanxi, China. The Dideu Group comprises subsidiaries and joint ventures in more than 10 countries and operates six integrated production sites and 21 other production sites in Europe, Asia, Australia, Americas and Africa.Its headquarters is located in Xi’An,China. Dideu has customers in over 200 countries and supplies products to a wide variety of industries.

     

    At the end of 2014, the company employed more than 13000 people. In 2014,   Dideu  Group   posted sales of 30 billion and income from operations before special items of about 7.5 billion. The company is currently expanding its international activities with a particular focus on Asia countries. Between 1990 and 2005, the company invested 5.2 billion in Asia, for example in sites near Guangxi,Yunnan, Sichuan, Shaanxi China,   Mangalore in India,Bangkok, Thailand,Hanoi, Vietnam etc.

     

    Dideu Consist Of Five Industry Chains:

     

    1.   Pharmaceutical Industries
    2.   Nutrition Additive Industries
    3. Daily-Use Chemical Products Industries & Agrochemicals
    4. Environmental Friendly Chemical And Chemurgy Industries
    5.   Petrochemical Industries
    6. General Chemical Industry

     

    At Dideu, we redefine chemistry to make the world better - and have been doing so for 75 years. As one of the world's leading chemical company, we combine economic success with environmental protection and social responsibility.   Through science and innovation we enable our customers in nearly every industry to meet the current and future needs of society.

     

    At Dideu, we create chemistry for a sustainable future with science for a better life.   Dideu is a Life Science company with a long and glorious history and core competencies in the areas of health care and agriculture. With our innovative products, we are contributing to finding solutions to some of the major challenges of our time. The growing and increasingly aging world population requires improved medical care and an adequate supply of food. Dideu is improving people's quality of life by preventing, alleviating and treating diseases.   And we are helping to provide a reliable supply of high quality food, feed and plant based raw materials.   We develop new molecules for use in innovative products and solutions to improve health. Our research and development activities are based on a profound understanding of the biochemical processes in living organisms.   Our goal is to achieve and sustain leadership positions in our markets, thus creating value for our customers, stockholders and employees. To this end, our strategy is designed to help solve some of the most pressing challenges facing humankind, and by doing this exceptionally well we aim to strengthen the company's earning power.

     

    We are committed to operating sustainably and addressing our social and ethical responsibilities as a corporate citizen, while at the same time respecting the interests of all our stakeholders. Employees with a passion for innovation enjoy excellent development opportunities at Dideu.   Exclusive Focus on the Life Science Businesses   Following the economic and legal independence of our former Material Science subgroup.   Dideu has charted the course for its successful development as a Life Science company. Our Life Science businesses hold leading positions in innovation driven growth markets. Together they make up a strong, attractive and balanced portfolio that is resistant to fluctuations in demand and to potential risks.The previous structure comprising a strategic management holding company and operational subgroups has thus been replaced by an integrated organization under the umbrella of the strong Dideu brand. The company's operations are managed in three divisions Pharmaceuticals, Consumer Health and Crop Science and the Animal Health business unit.   The business continues to be supported by the corporate functions, Dideu Business Services and the service company Current, while Technology Services is being integrated into Dideu Group, forming the Engineering and Technology function.


    Pls input...


    ECHEMI Editorial Reference
    grey lustrous solid or grey powder Silicon is a nonmetallic element which is known as silicon metal. Not occur freely in nature, but is found in silicon dioxide (silica) and in various silicates. It is a steel-gray crystalline solid or a black-brown amorphous material.
    Silicon powder, amorphous appears as a dark brown powder. Insoluble in water and denser than water. Burns readily when exposed to heat or flames, and may be difficult to extinguish. Water may not be effective in extinguishing flames. Used to make computer microchips.|DryPowder; DryPowder, OtherSolid; DryPowder, PelletsLargeCrystals; OtherSolid; OtherSolid, Liquid; PelletsLargeCrystals|STEEL-GREY CRYSTALS OR BLACK-TO-BROWN AMORPHOUS POWDER.|Black to gray, lustrous, needle-like crystals.|Black to gray, lustrous, needle-like crystals. [Note: The amorphous form is a dark-brown powder.]
    Silicon powder, amorphous appears as a dark brown powder. Insoluble in water and denser than water. Burns readily when exposed to heat or flames, and may be difficult to extinguish. Water may not be effective in extinguishing flames. Used to make computer microchips.|Silicon atom is a carbon group element atom, a nonmetal atom and a metalloid atom.|Silicon is under investigation in clinical trial NCT00103246 (Photodynamic Therapy Using Silicon Phthalocyanine 4 in Treating Patients With Actinic Keratosis, Bowen's Disease, Skin Cancer, or Stage I or Stage II Mycosis Fungoides).|A trace element that constitutes about 27.6% of the earth's crust in the form of SILICON DIOXIDE. It does not occur free in nature. Silicon has the atomic symbol Si, atomic number 14, and atomic weight [28.084; 28.086].

    Certificates

    Basic Info
    Product Name:

    Silicon

    Other Name:

    Silicon;Silicon element;Sicomill Grade 2;KDB 20;Sicomill 4C-P;Silgrain Standard;SILSO;Polysilicon;HGH 600;Metasilicon 325A;Hexsil;CZ-N Polished wafer;SI 1059;GKO 3516A;KR 1;KDB 10;4FY;Silgrain HQ;Si(100) wafer;Biosilicon;Silgrain;Silicon 100;PHC 20;KDB 0.5;KDB 0.1;Aldrich 267414-25G;Sharp 80W;FEB 450D;JT 02;SIE 23PB;Sicomill E 4;PSi-C 2;ψ-C 2;SIE 20PB;KTC;KTC (element);Silicon 600;SI 500443;SI 500444;KEF 100;AgroSilicio;Sili-K;Si-S 10μm;6PW-A1;Silicon 200;SI 500452;a-Si 11;a-Si 12;a-Si 13;M-Si 600;Silgrain E-Si 400;T 2;T 2 (filler);SI 006031;WFP 6005;SAF 184;SI 100;KR-2;Wafer World 119;S 308;17375-03-0;71536-23-7;72516-01-9;72516-02-0;72516-03-1;90337-93-2;152284-21-4;157383-37-4;160371-18-6;1616351-53-1

    CAS No.:

    7440-21-3

    Molecular Formula:

    Si

    InChIKeys:

    InChIKey=XUIMIQQOPSSXEZ-UHFFFAOYSA-N

    Molecular Weight:

    28.09000

    Exact Mass:

    27.98000

    EC Number:

    231-130-8

    UNII:

    5J076063R1|Z4152N8IUI

    ICSC Number:

    1508

    UN Number:

    1346

    DSSTox ID:

    DTXSID0051441

    Color/Form:

    Black to gray, lustrous, needle-like crystals or octahedral platelets (cubic system); amorphous form is dark brown powder

    HScode:

    2804690000

    Categories:

    Characteristics
    PSA:

    0

    XLogP3:

    0.00000

    Appearance:

    Silicon powder, amorphous appears as a dark brown powder. Insoluble in water and denser than water. Burns readily when exposed to heat or flames, and may be difficult to extinguish. Water may not be effective in extinguishing flames. Used to make computer microchips.

    Density:

    2.33 g/cm3 @ Temp: 25 °C

    Melting Point:

    1410 °C

    Boiling Point:

    2355 °C

    Water Solubility:

    H2O: INsoluble

    Storage Conditions:

    Flammables area

    Vapor Pressure:

    0 mmHg (approx)

    Flammability characteristics:

    Combustible Solid in powder form.

    Experimental Properties:

    Atomic number: 14; valence: 4, 2; poor conductor of electricity ... lattice constant (25 °C): 5.41987X10-8 cm; compressibility (vol/vol 0) at 25x10+3 kg/sq cm: 0.978; at 100x10+3 kg/sq cm: 0.940; dielectric constant: 13; covalent bond ionization energy at 0 K = 1.2 electron volt; band gap: 1.106 electron volt; impurity atom ionization energy: approx 0.04 electron volt; intrinsic resistivity at 300 K = 0.23 megaohm; average heat capacity (16-100 °C): 0.1774 cal/g/deg C|Temperature of transition: solid = 1683 degree K; liquid = 2750 degree K; Heat of transition: solid = 11.1 kcal/g mole; liquid = 71 kcal/g mole|Mohs hardness: 7; dielectric constant: 12; coordination number: 6|For more Other Experimental Properties (Complete) data for Silicon, Elemental (11 total), please visit the HSDB record page.

    Air and Water Reactions:

    Highly flammable. Insoluble in water. A significant dust explosion hazard.

    Reactive Group:

    Metals, Elemental and Powder, Active

    Reactivity Alerts:

    Highly Flammable

    Reactivity Profile:

    SILICON POWDER, AMORPHOUS is a reducing agent. Ignites in fluorine gas at ordinary temperatures [Mellor 2:11-13 1946-47]. Burns spontaneously in gaseous chlorine. A mixture of silicon, aluminum, and lead oxide explodes when heated [Mellor 7:657 1946-47]. When heated with an alkali carbonate, a vigorous reaction attended by incandescence occurs [Mellor 6:164 1946-47]. Reacts violently with silver fluoride [Mellor 3:389 1946-47]. Reacts with sodium-potassium alloy to form sodium silicide, which is spontaneously flammable in air [Mellor 2 Supp. 2:564 1961].

    Heat of Combustion:

    -9.0550x10+8 J/kmol

    Flammable Limits:

    Combustible Solid in powder form.

    Physical Dangers:

    Dust explosion possible if in powder or granular form, mixed with air. If dry, it can be charged electrostatically by swirling, pneumatic transport, pouring, etc.

    Heat of Vaporization:

    16 kJ/g

    Critical Temperature & Pressure:

    Critical temperature: 4886 °C; critical pressure: 53.6 MPa

  • Seller Information
    Business Type:

    Manufactory

    Main Products:

    Chemical Pesticides,Food Additives,Agrochemicals,Active Pharm Ingredients,Flavors and Fragrances,Chemical Catalyst

    Location:

    https://www.dideu.com/en/

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    7

    Total Annual Revenue:

    Above $100 million

    Total Employees:

    Above 1000

    Year of Establishment:

    2016

    Certifications:

    ISO Certificate,REACH

    Company Profile
    ">Company Profile
  • Inquiry History
    18 Inquiries
    Country Product Purchase Quantity Date Posted
    Saudi Arabia

    Silicone

    1 PCS Mar 9, 2026
    United Kingdom

    Silicone

    200 PCS Jan 21, 2026
    South Africa

    Silicone

    1 KG Jan 8, 2026
    Saudi Arabia

    Silicone

    1 KG Jan 4, 2026
    India

    Silicone

    1 KG Sep 3, 2025
    United States

    Silicone

    50  Jul 23, 2025
    India

    silicon powder

    25.00 MT Feb 13, 2025
    Pakistan

    silicon

    5 TON Jul 25, 2024
    United States

    Silicon

    5 KG Aug 25, 2026
    Qatar

    Silicone

    1 KG Mar 18, 2026
    Indonesia

    Silicone

    100 G Feb 5, 2026
    Malta

    Silicone

    3020 PCS Dec 10, 2025
    India

    Silicone

    1 TON Nov 5, 2024
    India

    Metallurgical Grade Silicon (99% purity)

    1 MT Sep 13, 2024
    United States

    silicon

    5000000 KG Aug 1, 2024
    Germany

    Silicon anode material

    20 MT Nov 10, 2023
    Bangladesh

    silicone

    1 MT Sep 2, 2024
    Ghana

    Silicone

    250 KG Jan 3, 2024
    Post an enquiry for this product
pic ×

Scan the QR Code to Share

All products displayed on this website are only for non-medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.

According to relevant laws and regulations and the regulations of this website, units or individuals who purchase hazardous materials should obtain valid qualifications and qualification conditions.

The information shown above is provided by the enterprise itself, and the authenticity, accuracy and legitimacy of the content are the responsibility of the publishing company. ECHEMI does not bear any guarantee responsibility for this. Please be aware that risks in internet transactions objectively exist.

Feedback & Suggestions
Send Message

Thank you for your feedback. If you require further assistance, please contact us by email at info@echemi.com or call us at +86-532-55729510.