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Boron oxide High quality CAS 1303-86-2

11 Inquiries

Unit Price: Get Latest Price
CAS No.:

1303-86-2

Grade:

Pharmaceutical Grade

Content:

99%

Port:

Shanghai

Packaging:

1kg/bag;25kg/Cardboard Drum

Price valid (until):

2025-12-31

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

Estradiol,Progesterone,GS441524,4-Butylresorcinol,DeoxyArbutin,Coenzyme Q10

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  


    Superiority

    We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address

    1.High quality and competitive price.
    2.Free sample for your evaluation.
    3.Promptly delivery by well-reputed shipping lines.
    4.Trial order is available for testing after samples.
    5.We will inform you all the information at every stage in advance.
    6.Packaging can gear to buyers' special request. 

    Our service

    1. Reply your inquiry in 24 working hours.
    2. Customized design is available. OEM are welcomed.
    3. Exclusive and unique solution can be provided to our customer by our well-trained and professional engineers and
    staff.
    4. Professional factory: We are manufacturer, specializing in producing all kinds of herb extract for more than 10 years, competitive with good quantity.
    5. As an honest seller, we always use superior raw material, advanced machines, skilled technicians to ensure our products to be finished in high quality and stable feature.




    Shop Oclacitinib CAS 1208319-26-9-Detailed Image 1 Shop Oclacitinib CAS 1208319-26-9-Detailed Image 2









    FAQ


    1.: Are you a factory or trading company
    We are the integration of factory and trade.


    2.: How is the quality I want to test.
    Before production and extraction, we will test all raw materials.Quality is our top priority.All products are strictly tested and confirmed by our QC and QA, approved by Third Party Lab in China.So you will be assured with Good Quality if you choose us. We welcome you test the product and hope to get your feedback.


    3.: Can I get a Free sample
    Yes,We can provide free samples.For most products we can provide you a free sample, You only need to pay for Shipping. Plesae be free to consult our salesman.
    For a larger quantity, we always support you with better price, and we will have some discount in some especial days.


    4. : What's your main payment method
    T/T (Bank transfer), Wechat,Alipay,Credit card payment.


    5. : Have you received my payment How long will it take
    Generally, we can receive your payment the next day, and we will inform you as soon as we receive your payment.
    After confirmation payment, we will send out package


    6.:When will you sent out the goods after successful payment
    Normally the order will be delivery within 1-3 days after the order confirmed, except the customized products.


    7.:What modes of transportation do you have to choose
    We cooperate with HKEMS, DHL, TNT, UPS, FEDEX, EMS, China Air Post ,sea transportation etc.
    And with the SAFE SHIPPING in each country, you can receive the goods smoothly.It is fast and safe method.


    8.:How long does it take to the goods arrived
    It is Depending on your location:
    For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, HKEMS,Netherlands post.
    For large order, please allow 5-8 days by Air, 20-35 days by Sea
    At the same time, we have warehouses in Germany and California, and some orders can be sent directly from Germany or California.


    9.:How is the goods packed
    We usually send goods with disguise package outside and a double-layer sterile transparent bag inside.We have tried thousand of package methods, it looks serious and discreet.


    10.: How can I get a discount
    Our products have already given you a discount, and the price is favorable. Orders above $1,000 can enjoy 95% discount, transportation discount or additional sample products. Therefore, for larger quantities, we always support better prices.


    11.: How to proceed order
    Please Let me konw the product you are looking for,quantity and the destination country wihch help me to give you a right price;
    After you confirm all details of order, pay money in advance and give us Shipping address.We arrange the shipment at first time after receive payment and offer after-sales service after you receive parcel.


    12.:When will I receive the shipping number Where I can check status of my order
    After the goods are sent out, our staff will send you the shipping number via email, online or WhatsApp ASAP.You can also check the status online on 17track.


    13.:Is a signature required for the shipping?
    Our shipping method requires no signature from your side upon delivery.

    Basic Info
    Product Name:

    Boron oxide (B2O3)

    Other Name:

    Boron oxide (B2O3);Boric oxide;Boron sesquioxide;Boron trioxide;Fused boric acid;Boric acid (HBO2),anhydride;Boric oxide (B2O3);Boria;Boric anhydride;Diboron trioxide;Boracic anhydride;Boron oxide;Boria (B2O3);Boric acid anhydride;Boron(III) oxide;Boron oxide (BO1.5);B 108406;Boron oxide (B0.67O);12640-42-5;56116-04-2;56145-44-9;56312-91-5;56312-92-6;56312-93-7;56312-94-8;91863-27-3;102967-73-7;144919-64-2;163701-88-0;1858211-82-1;2566446-91-9

    CAS No.:

    1303-86-2

    Molecular Formula:

    B2O3

    InChIKeys:

    JKWMSGQKBLHBQQ-UHFFFAOYSA-N

    Molecular Weight:

    71.63610

    Exact Mass:

    72.01900

    EC Number:

    215-125-8

    ICSC Number:

    0836

    DSSTox ID:

    DTXSID7034387

    Color/Form:

    Colorless, brittle, vitreous, semitransparent lumps or hard, white crystals|Colorless, glassy or hexagonal crystals, hygroscopic|Colorless powder or vitreous crystals

    HScode:

    2810001000

    Characteristics
    PSA:

    43.37000

    XLogP3:

    -1.60300

    Appearance:

    Boron oxide appears as colorless, semi-transparent glassy lumps or hard white odorless crystals. Mp 450°C; bp: 1860°C. Density: 2.46 g cm-3. Moderately soluble in water. Used as an insecticide; as the starting material for the synthesis of other boron compounds; as a fluxing agent in enamels and glasses; and in mixture with 2-6% boron nitride, as a bonding agent in the hot isostatic pressing of boron nitride ceramics.

    Density:

    2.46 g/cm3

    Melting Point:

    450 °C

    Boiling Point:

    1860 °C (approx)

    Flash Point:

    1860ºC

    Refractive Index:

    INDEX OF REFRACTION: 1.61

    Water Solubility:

    H2O: 36 g/L (25 ºC)

    Storage Conditions:

    Store in a cool, dry place. Store in a tightly closed container.

    Vapor Pressure:

    0 mmHg (approx)

    Vapor Density:

    >1 (vs air)

    Flammability characteristics:

    Noncombustible Solid

    Odor:

    Odorless

    Taste:

    Slightly bitter taste

    PH:

    pH = 5.1 at 20 °C 1.0% solution

    Experimental Properties:

    Enthalpy of fusion: 24.56 kJ/mol at 450 °C|Standard enthalpy of formation: -1273.5 kJ/mol (crystal); -843.8 kJ/mol (gas); molar heat capacity at 25 °C: 62.8 J/K mol (crystal); 66.9 J/K mol (gas)|Mohs' hardness: 4; mildly hygroscopic at room temperature; reaction with water is exothermic, -75.94 kJ/mol|Slowly reacts with water to form boric acid|Colorless, vitreous crystals; solubility: in water at 0 °C 1.1 g/100 cu cm, at 100 °C 15.7 g/100 cu cm; sol in acid, alcohol. Index of refraction: 1.485; MP: approx 450 °C; Density: 1.812 at 25 °C at 4 °C /oxide glass/|Heat of vaporization: 390.4 kJ/mol at 1500 K; 431.4 kJ/mol at 298 K; boiling point: 2316 °C (extrapolated); viscosity: 10.60 cP at 350 °C; 4.96 cP at 700 °C; 4.00 at 1000 °C; density: 1.8766 g/mL at 0 °C; 1.844 g/mL at 18-25 °C; 1.81 g/mL at 18-25 °C (well-annealed); 1.648 g/mL at 500 °C (quenched); 1.528 g/mL at 1000 °C (quenched); index of refraction: 1.463 at 14.4 °C; specific heat capacity: 62.969 J/kg K at 298 K; heat of formation: -1252.2 kJ at 298.15 K /Vitreous boric oxide/

    Air and Water Reactions:

    No rapid reaction with air No rapid reaction with water

    Reactive Group:

    Salts, Acidic

    Reactivity Profile:

    BORON OXIDE is non-combustible. Of generally low chemical reactivity. Reacts exothermically but slowly with water to form boric acid, a weak acid. Reacts exothermically with strong bases. May react with strong reducing agents such as metal hydrides, metal alkyls to generate flammable or explosive gases. May react violently on contact with bromine pentafluoride. Corrosive to metals in the presence of air.

    Ionization Potential:

    13.50 eV

    Flammable Limits:

    Noncombustible Solid

    Corrosivity:

    Very corrosive to metals in the presence of oxygen

    Hazard Identification

    Classification of the substance or mixture

    Reproductive toxicity, Category 1B

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    none

    Precautionary statement(s)
    Prevention

    P203 Obtain, read and follow all safety instructions before use.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    Response

    P318 IF exposed or concerned, get medical advice.

    Storage

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    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

    Dry. Well closed.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Estradiol,Progesterone,GS441524,4-Butylresorcinol,DeoxyArbutin,Coenzyme Q10

    Location:

    XINYUAN DADUHUI PHASE 1, NO.258 TAOYUAN NORTH ROAD, LIANHU DISTRICT, XI 'AN , SHAANXI CHINA

    Payment Terms:

    TT against copy of documents,100% TT in advance

    Average lead Time:

    30

    Total Annual Revenue:

    $2.5 million-$5 million

    Total Employees:

    11-50

    Year of Establishment:

    2023




      Company Profile  


  • Inquiry History
    11 Inquiries
    Country Product Purchase Quantity Date Posted
    United States

    Boronichydride

    30000 KG Jun 17, 2024
    South Africa

    Boron Oxide

    25 MT May 18, 2026
    India

    boron oxide,boric anhydrate,diboron trioxide

    100 MT May 8, 2026
    Australia

    Boron oxide

    1 TON Jul 7, 2025
    Malaysia

    boron oxide powder

    1 KG Jun 18, 2025
    Vietnam

    BORIC ACID 99%

    10.00 TON Oct 13, 2023
    China

    氧化硼

    18 MT Jun 12, 2026
    India

    boron oxide

    1 20' Fcl Dec 9, 2025
    India

    Boron oxide

    21 MT Dec 5, 2025
    Vietnam

    Boron Trioxide sell

    25 MT Oct 14, 2025
    New Zealand

    HIGH QUALITY BORON OXIDE, BORIC ANHYDRIDE

    1 MT Aug 9, 2024
    Post an enquiry for this product
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