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Home > Food Additives > Gum Base Agent > Silica for Sale > Silicon dioxide 7631-86-9 Ink thickening agent anti-precipitation agent matting agent matting agent plastic opening agent
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Silicon dioxide 7631-86-9 Ink thickening agent anti-precipitation agent matting agent matting agent plastic opening agent

66 Inquiries

Unit Price: Get Latest Price
CAS No.:

7631-86-9

Grade:

Chemical Grade

Content:

99%

Port:

tianjin

Brand:

longbang

Packaging:

25kg/Drum

Price valid (until):

2025-03-31

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

chemical

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  



    [Appearance]

    Amorphous silica, the noncrystalline form of SiO2, is a transparent to gray, odorless, amorphous powder[Melting point ]

    >1600 °C(lit.)
    [Boiling point ]

    >100 °C(lit.)
    [density ]

    2.2-2.6 g/mL at 25 °C
    [vapor pressure ]

    13.3hPa at 1732℃[refractive index ]

    1.46[Fp ]

    2230°C[storage temp. ]

    Refrigerator (+4°C)[solubility ]

    Practically insoluble in water and in mineral acids except hydrofluoric acid. It dissolves in hot solutions of alkali hydroxides.[form ]

    suspension
    [pka]

    6.65-9.8[at 20 ℃][color ]

    White to yellow[Specific Gravity]

    0.97[Odor]

    at 100.00?%. odorless[PH]

    5-8 (100g/l, H2O, 20℃)(slurry)[Stability:]

    Stable.[Resistivity]

    1∞10*20 (ρ/μΩ.cm)[Water Solubility ]

    insoluble


    Use 1
    Widely used in metallurgy, refractory, chemical, abrasive and construction industries
    Use 2
    About 70% of white carbon black is used as a reinforcing filler for natural rubber and synthetic rubber, and other fillers for synthetic resins, ink thickening agents, anti-settling agents for pigments in coatings, matting agents, soft polishes for vehicles and metals, and anti-settling agents in emulsifiers. It can also be used as a pesticide carrier and filler for light weight newsprint. Due to the advantages of good electrical insulation, low heat generation, light color of products and no pollution, white carbon black is also widely used in rubber hose, tape, heat-resistant gasket, rubber roller and medical products.
    Use 3
    Used as filler for color TV cable, wire bushing and rubber transparent bottom. Also used as thickening agent, thixotropic agent, antiprecipitation agent, matting agent, plastic opening agent, liquid drug adsorbent, cosmetics and papermaking filler.
    Use 4
    As an anti-caking agent, China stipulates that it can be used as powder essence, and the maximum usage is 80g/kg; Can also be used for milk powder, cocoa powder, egg powder, plant fat powder and instant coffee, the maximum use of 15.0g/kg.
    Use 5
    It is used as a reinforcing agent of rubber, an opening agent to prevent the adhesion of plastic film, an anti-settling agent of pigment, a matting agent of paint, a viscosity regulator, an excipient of medicine, a catalyst carrier and for cosmetics.
    Use 6
    Anti-caking agent; Suspension agent; Defoamer; Carrier; Thickening agent; Malt extract beverage, fruit wine, soy sauce, vinegar, cooling beverage and other filter aid, clarifying agent, flavor and fragrance adsorption desiccant.
    GB 2760-90 is specified as a processing aid
    Use 7
    It is used as reinforcing filler for natural rubber and synthetic rubber, filler for synthetic resin, ink thickening agent, anti-settling agent for pigment in paint, matting agent, soft polishing agent for vehicle and metal and anti-settling agent in emulsifier. It can also be used as a pesticide carrier and filler for light weight newsprint.



      Package and Logistics


    For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.

    For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product. 

                         Or smaller package 1kg/bottle, 10kgs/bottle as request. 

    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 1

    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 2


      FAQ


    Q1. Could you please provide some samples?

    A1: Yes, Free samples for the quality evaluation for most products, but customers only need to undertake the shipping fee for delivery the samples to your destionation.


    Q2. What about the lead time?

    A2: Sample needs 3-5 days;    mass production time needs 1-2 weeks.


    Q3. Do you have any MOQ limit for order?

    A3: Low MOQ, 10-100g for sample checking is available.


    Q4. How do you ship the goods and how long does it take to arrive?

    A4: We usually ship by DHL, UPS, FedEx or TNT.     It usually takes 3-5 days to arrive.     Airline and sea shipping also optional.


    Q5. How to proceed an order for your products?

    A5: Firstly, let us know your requirements or application.

    Secondly, we quote according to your requirements or our suggestions.

    Thirdly customer confirms the samples and places deposit for normal order.

    Fourthly We arrange the production.


    Q6. Are you trading company or manufacturer?

    A6: We are chemical factory in China.     So, we can provide wholesale price.


    Q7: What are your payment terms?

    A7: We can accept various payment methods, T/T, PayPal, etc.


      Company Profile  


    Hebei Longbang Technology Co., LTD

    located in Shijiazhuang City, the capital of Hebei Province and the Beijing-Tianjin-Hebei New Zealand Hub, with convenient transportation. Our company is a modern high-tech chemical enterprise integrating R&D, production and sales.


    Our company has strong technical force, advanced equipment, strict quality management system and high-quality after-sales service, adheres to the business philosophy of "customer first, keen and enterprising", and adheres to honesty as the foundation of the company's survival. All for the satisfaction of customers, all for the long-term healthy development of the enterprise. In the past 10 years, we have been strictly managing the entire trading process, focusing on every detail, providing customers with a full range of services such as product procurement, research and development, quality control, logistics management, etc., and becoming a trustworthy partner and partner for customers. Nowadays, we have formed a product chain with many variety, large scale, complete products, refinement, high added value and high technical content. There are many series of medical products, food-grade additives, industrial grade, fertilizer grade, mineral products, etc.


    As a way to take advantage of the ever-expanding information resources in international trade, we welcome potential customers from anywhere online and off-line. Although we provide high-quality products, our qualified after-sales service team provides an effective and satisfying enquiry service. Item Inventory and Detail Detail Records as well as any other information will be sent to you in a timely manner to check the information.


    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 3

    Shop Factory Supply High Qulity Poly(ethylene) CAS 9002-88-4-Detailed Image 4

    Basic Info
    Product Name:

    Silica

    Other Name:

    Silica;Acticel;Aerosil;Aquafil;Colloidal silica;Colloidal silicon dioxide;Fossil flour;Ludox;Milowhite;Neosil;Protek-Sorb 121;Siflox;Silikil;Si-O-Lite;Super-Cel;Verticurine;Aerosil 175;Min-U-Sil;Silicon oxide (SiO2);Cab-O-Sil;Vulkasil S;Cab-O-Sil MS 7;Aerosil A 175;Aerosil 200;Cab-O-Sil L 5;FK 500LS;Zipax;Aerogel 200;Aerosil K 7;Aerosil 380;Cab-O-Sil N 5;Extrusil;Ludox HS 40;Manosil VN 3;Nalcoag 1050;Quso G 30;Sillikolloid;Tokusil TPLM;Ultrasil VN 3;Aerosil E 300;Syton 2X;Nalfloc N 1050;Aerosil A 300;Siloxid;HK 400;Snowtex O;U 333;Carplex 30;Quso 51;Aerosil 300;Aerosil M 300;Vitasil 220;Cab-O-Sil ST 1;Cab-O-Sil M 5;Aerosil BS 50;White carbon;Ultrasil VH 3;Snowtex 30;Zeofree 80;Carplex;Neosyl;Corasil II;Silanox 101;Positive Sol 130M;Positive Sol 232;Zorbax SIL;Porasil;Carplex 80;TK 900;Aerosil OK 412;Aerosil TT 600;KS 160;KS 300;KS 404;Ultrasil VN 2;Snowtex;Tokusil Gu-N;Santocel 62;Min-U-Sil 5;Min-U-Sil 30;Iatrobeads 6RS8060;Snowtex N;Snowtex OL;Snowtex C;Sipur 1500;Nalcast PlW;Nalfloc N 1030;Cab-O-Sil H 5;Santocel Z;Santocel CS;Nipsil VN 3;Pregel;Syton;BS 50 (silica);Apasil;Cataloid S 30L;Neosyl 81;Neosyl 224;Neosyl 186;Arogen 500;Lufilen E 100;Himesil A;Tixosil 38A;Imsil A 10;SSA 1;Cataloid S 30H;Cataloid HS 40;Mizukasil P 527;Quso WR 82;Cataloid;Ludox RS 40;Vulkasil C;BS 30 (filler);ZEO 49;Cataloid SI 350;Aerosil 130;HDK-N 20;HDK-V 15;HDK-S 15;Arsil;Aerosil 308;Fransil 251;1340-09-6;9049-77-8;11139-72-3;11139-73-4;12125-13-2;12737-36-9;12753-63-8;12765-74-1;12774-28-6;37220-24-9;37241-25-1;37334-65-9;37340-45-7;37380-93-1;39336-66-8;39372-58-2;39409-25-1;39443-40-8;39456-81-0;50813-13-3;50926-93-7;50935-83-6;51542-57-5;51542-58-6;52350-43-3;53468-64-7;55599-33-2;56645-27-3;56731-06-7;60572-11-4;61673-46-9;62655-73-6;67167-16-2;70536-23-1;70536-61-7;70563-35-8;78207-17-7;83589-56-4;83652-92-0;87501-59-5;89493-21-0;97343-62-9;97709-14-3;98226-40-5;98253-25-9

    CAS No.:

    7631-86-9

    Molecular Formula:

    O2Si

    InChIKeys:

    InChIKey=VYPSYNLAJGMNEJ-UHFFFAOYSA-N

    Molecular Weight:

    60.08

    Exact Mass:

    60.08

    EC Number:

    231-545-4

    HScode:

    28112200

    Categories:

    Gum Base Agent

    Characteristics
    PSA:

    34.14000

    XLogP3:

    -0.61840

    Appearance:

    White to yellow suspension

    Density:

    2.56 g/cm3

    Melting Point:

    164-165 °C

    Boiling Point:

    2230 °C

    Flash Point:

    2230°C

    Refractive Index:

    1.46

    Water Solubility:

    H2O: insoluble

    Storage Conditions:

    Refrigerator (+4°C)

    Vapor Pressure:

    0 mmHg (approx)

    Toxicity:

    LC inhalation in rat: > 200gm/m3/1H

    Flammability characteristics:

    Noncombustible Solid

    Explosive limit:

    Silica gel at -78 deg C adsorbs 4.5 wt % of ozone, and below this temperature the concentration increases rapidly. At below -112 deg C ozone liquefies and there is a potential explosion hazard at temperatures below -100 deg C if organic material is present.

    Odor:

    Odorless

    Taste:

    Tasteless

    Hazard Identification

    Classification of the substance or mixture

    Not classified.

    GHS label elements, including precautionary statements

    Pictogram(s) No symbol.
    Signal word

    No signal word

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    none

    Response

    none

    Storage

    none

    Disposal

    none

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    chemical

    Location:

    1803-1, Block A, Huaqiang Plaza, 77 Minzu Road, Xinhua District, Shijiazhuang City, Hebei Province, China

    Payment Terms:

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

    Average lead Time:

    15

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    51-100

    Year of Establishment:

    2023

  • Inquiry History
    66 Inquiries
    Country Product Purchase Quantity Date Posted
    India

    Silicon dioxide 

    30.00 KG Jun 13, 2025
    Kenya

    Silica Dioxide

    1 MT Oct 27, 2023
    United States

    Octadecyl Bonded Phase Filler

    100 KG Jun 15, 2024
    United States

    black diesel oil bleaching chemical

    100 TON Jun 13, 2024
    Belgium

    Silicon dioxide

    100.00 KG Jun 5, 2025
    Georgia

    Colloidal silicon dioxide

    50 KG Mar 25, 2024
    India

    Silica mesoporous, 1 μm particle size, pore size ~2 nm

    15.3 G Apr 18, 2025
    Pakistan

    Silicon dioxide

    10 MT Apr 19, 2026
    South Korea

    Silica 96%

    1 KG Apr 16, 2026
    Brazil

    Thermal Silica Aerogel Granular Powder

    1 KG Feb 26, 2026
    India

    Tysil 175 Silica

    2000.00 KG Feb 26, 2026
    Bangladesh

    Colloidal Silicon Dioxide

    1 KG Feb 24, 2026
    India

    Silicon Dioxide

    1.00 KG Feb 11, 2026
    Germany

    Silicon Dioxide

    1 40' Fcl Feb 4, 2026
    Turkey

    Precipitated Silica

    3400 KG Jan 27, 2026
    Kazakstan

    Sio2

    112  Jan 26, 2026
    Oman

    Thixotropic additive

    1.00 KG Jan 4, 2026
    Spain

    Colloidal Silica Textile

    5 20' Fcl Dec 31, 2025
    Turkey

    Silica

    100 MT Oct 29, 2025
    Indonesia

    EPOXY RESIN

    1100 KG Oct 10, 2025
    Post an enquiry for this product
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