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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > Boron oxide (B2O3) for Sale > High purity Boron oxide CAS NO.1303-86-2
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High purity Boron oxide CAS NO.1303-86-2

12 Inquiries

Unit Price: Get Latest Price
CAS No.:

1303-86-2

Grade:

Pharmaceutical Grade

Content:

99%

Port:

shanghai

Brand:

Lonwin

Packaging:

1kg/bag,25kg/drum,25kg/bag

Price valid (until):

2024-01-21

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

CHEMICALS,REAGENTS

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

     Product Information                                                                                    

    Specification


    1.Customer Satisfaction is our priority and guarantee for the future.
    2.We co-develop products and projects with our partners.
    3.Place of Origin China with Super quality by reasonable price.
    4.When you meet problems in mineral processing, we can provide technical guidance.
    5.We will ship the goods that you order from us by EMS, DHL, UPS, or FedEx.We will
    decided to choose which courier depend on Different countries.To find the best way to
    delivery the goods for you.
    6.We will ship the goods within 5days after get your payments.If you want to cancel or
    change order, please tell me within 24hours after you finish the payment...So we both
    can make the best of the bad bargain.
    Bulk Order: Shipped via sea or air, it's according to your requirement, delivery time is
    7-15days after payment
    7.if you have any other questions to consult me.please not hesitate to contact me any times.
    All we want is win-win business. Send us your inquiries, you will get it!















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     Quality and Service                                                                                        

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    1.Customer Satisfaction is our priority and guarantee for the future.


    2.We co-develop products and projects with our partners.


    3.Place of Origin China with Super quality by reasonable price.


    4.When you meet problems in mineral processing, we can provide technical guidance.


    5.We will ship the goods that you order from us by EMS, DHL, UPS, or FedEx.We will decided to choose which

    courier depend on Different countries.To find the best way to delivery the goods for you.


    6.We will ship the goods within 5days after get your payments.If you want to cancel or change order, please tell

    me within 24hours after you finish the payment...So we both can make the best of the bad bargain.

    Bulk Order: Shipped via sea or air, it's according to your requirement, delivery time is 7-15days after payment


    7.If you have any other questions to consult me.please not hesitate to contact me any times.


    All we want is win-win business. Send us your inquiries, you will get it!


    Our service:


    1. Certificate of analysis (COA)


    2. Material safety data sheet (MSDS)


    3. Route of synthesis (ROS)


    4. Method of aanlysis (MOA)


    5. Nuclear magnetic resonance (NMR)


    6. Packing pictures and loading video before loading


    7. Free sample


    9. Factory audit


    10. Strong after-sale service

     Our Advantage                                                                                               

    Shop Best price Pure Oxytocin powder 50-56-6-Detailed Image 3

      1. 1. Rich experience.
        Our company is a professional production leading factory in China in pharmaceutical area of many years,

      our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other country,

      and we have got very good feedback from our customers, we had Established long friendly relations of

      cooperation.

       

      2. Great quality, purity and favourable.
      Good quality is one of our secret success, welcome order the samples, MOQ just 1 grams.

       

      3. Safe and fast delivery.
      We have stock, so we can delivery quickly at the very day when receive the payment.

      We have special way could ship 0.01kg to 3.5kg products a time. We offer melting powder into liquid

    1. service. And ship the liquid in special bottles.

       

      4. Good before after-sales service.



    2. Before-sales:
      - We would like to offer our most favorable quotation and detailed information about 

    3. product as well as our company.
      - We would like to offer free sample for 
      testing use.


      After-sales:
      - We would like to assist buyers in custom 
      clearing through providing necessary documents and information.
      - We would provide the best solution when 
      there is any dispute about product quality.

      ur Advantag

     Packaging & Shipping                                                                                  

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    Shanghai Lonwin Chemical Co., Ltd. is a company committing to contract synthesis and production

    of photoinitiators, fluorocarbon surfactants, indicators, intermediates and APIs.

    Our company has ISO and REACH international certification, in Jiangsu, Anhui and other places with

    decades of cooperation of OEM processing plants, to provide a more solid support for the customized

    production service of special chemicals.

     

    Now, our products are well sold in North America, Europe, Japan, South Korea and the Middle East,

    and customers are highly satisfied with our products and service!

     

    To achieve sustainable and steady development, we establish closely cooperative relationships with

    famous universities and institutions of China. We regularly exchange information with them and make

    cooperation on the R&D of new technologies.

     

    Sticking to the business philosophy of "quality first, credit first, service first, creativity first",we are

    doing our best to meet demands of customers all around the world. We sincerely welcome your visit

    and business, and look forward to cooperating with you for expanding international market together! 


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     F.A.Q                                                                                                               

    • Q1  Can i get some samples? 

      A1  Yes, we can supply the free sample, but the shipping cost be paid by our customers.

       

      Q2  How to start orders or make payments? 

      A2  Proforma invoice will be sent first after confirmation of order, enclosed our bank information.

    • Payment by T/T,or Paypal or Escrow(Alibaba).

       

      Q3  How to confirm the Product Quality before placing orders? 

      A3  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.

       

      Q4  What’s your MOQ? 

      A4  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge

    • is 100% paid.

       

      Q5  How about delivery leadtime? 

      A5  Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)

       

      Q6  Is there a discount? 

      A6  Different quantity has different discount.

       

      Q7  How do you treat quality complaint? 

      A7  First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem

    • caused by us, we will send you free goods for replacement or refund your loss.

       

      Q8  How to contact us ? 

      A8 You can choose your interested products and send inquiry to us.

    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:

    CHEMICALS,REAGENTS

    Location:

    No 966 Huaxu Road, Qingpu District, Shanghai, 201702, P.R. China

    Payment Terms:

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

    Average lead Time:

    10

    Total Annual Revenue:

    $10 million-$25 million

    Total Employees:

    11-50

    Year of Establishment:

    2011

     Company Profile                                                                                                    

      Shanghai Lonwin Chemical Co., Ltd. is a company committing to contract synthesis and production of photoinitiators, fluorocarbon surfactants, indicators, intermediates and APIs.Our company has ISO and

    REACH international certification, in Jiangsu, Anhui and other places with decades of cooperation of

    OEM processing plants, to provide a more solid support for the customized production service of special

    chemicals.
       Now, our products are well sold in North America, Europe, Japan, South Korea and the Middle East,

    and customers are highly satisfied with our products and service!
    To achieve sustainable and steady development, we establish closely cooperative relationships with

    famous universities and institutions of China. We regularly exchange information with them and make

    cooperation on the R&D of new technologies.
    Sticking to the business philosophy of "quality first, credit first, service first, creativity first", we are

    doing our best to meet demands of customers all around the world. We sincerely welcome your visit

    and business, and look forward to cooperating with you for expanding international market together!


     

  • Inquiry History
    12 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
    Thailand

    Boron oxide

    10 MT Jul 9, 2026
    Post an enquiry for this product
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