Organic Catalyst Boric Oxide/Boric Anhydride/Diboron Trioxide B2O3 1303-86-2

High-class Diboron trioxide/1303-86-2 Made in China Product Description       Executive standard : Enterprise standard  English name : Diboron trioxide  Another English name : Boric oxide, Boron oxide, Boric anhydride  CAS RN :1303-86-2   1. Physical and chemical properties : 1.1 Molecule formula : B2O3 1.2 Molecule weight : 69.62 1.3 Melting point : 450°C 1.4 Boiling point :1860°C 1.5 Density :1.085 gram per ml (Amorphous) 1.6 Solubility : The product can be dissolved in acid, ethanol, hot water, and slightly dissolved in cold water. 1.7 Property : It is a colorless transparent powder. Its surface has greasy feeling its hygroscopicity is strong and it is easy to be hydrolyzed to form boric acid. In high temperature, it can be reduced by alkali metal or magnesium to monocrystal boron, It can be completely mixed dissolved with the oxides of metal, copper, sliver, aluminum, tin, arsenic. 2. Technical indexes :

<Span style="font-family: 'Times New Roman'; font-size: 9pt;">Term	Index I	Index II
Boron oxide %(m/m)	≥98	≥95
Undissolved matters in water %	≤0.02	≤0.02
Size(through 180um) %	≥85	≥85

3. Uses : It is used as the flux in decomposition of silicates the mixing agent of semiconductor material,the additives of heatproof glassware and paint refractory. It is also used in production of alloy steel in metallurgical industry. In addition it’s used as the catalyst in organic synthesis, the additive of lubricant used in high temperature, can be also used an environmental protection. 4. Safety notes : The product is considered toxic. It will harm body’s health by swallowing, breathing in, eyes contacting, skin contacting. To bring it into contact with eyes or skin will lead to irritation. To swallow it will lead to irritating alimentary canal. To inhale it will lead to irritation of respiratory tract. The highest allowable concentration is 15mg/m3 (OSHA) in working place. Wear safety-protective glasses, dustproof gauze musk, rubber gloves during handling it. 5. Package : It is packed in the woven bag, in which should be put two strata of plastic bags, net weight 25 kg a bag. 6. Storage : It should be stored in a shady, ventilating and dry storehouse. Its shelf life is one year. It can be still used if up to standard through retest after the specified date. Should start using the product in air-drying place. When radical changes of humidity occurs, it will recrystallize and agglomerate. Should pay attention to keep away from the radical changing environment during storage, and ensure good package. 7. Transportation : Should avoid violent collision, rain drenching, sunning, and can’t take mixed transportation with strong oxidants during transporting.   Packaging & Shipping   Company Information One of the biggest professional chemical materials manufacturers and suppliers which has passed GJB9001B 2009, With over 48 years experience in this field, our main products include fine chemical products, polyurethane foam gap filling agent, PVB,chlorinated paraffin, aerosol cans,  military and civil products, which are widely used in construction, industry daily chemical, medicine and other fields.   Cooperative partner   Certificate   FAQ 1,What are your prices?       Our prices are subject to change depending on supply and other market factors. We will send you an updated price list after your company contact us for further information. 2,Do you have a minimum order quantity?        Yes, we require all international orders to have an ongoing minimum order quantity. If you are looking to resell but in much smaller quantities, we recommend you check out our website 3,Can you supply the relevant documentation?        Yes, we can provide most documentation including Certificates of Analysis / Conformance; Insurance; Origin, and other export documents where required.  4,What is the average lead time?         For samples, the lead time is about 7 days. For mass production, the lead time is 20-30 days after receiving the deposit payment. The lead times become effective when (1) we have received your deposit, and (2) we have your final approval for your products. If our lead times do not work with your deadline, please go over your requirements with your sale. In all cases we will try to accommodate your needs. In most cases we are able to do so. 5,What kinds of payment methods do you accept?         You can make the payment to our bank account, Western Union or PayPal:
         30% deposit in advance, 70% balance against the copy of B/L. 6,What is the product warranty?        We warranty our materials and workmanship. Our commitment is to your satisfaction with our products. In warranty or not, it is the culture of our company to address and resolve all customer issues to everyone’s satisfaction 7,Do you guarantee safe and secure delivery of products?       Yes, we always use high quality export packaging. We also use specialized hazard packing for dangerous goods and validated cold storage shippers for temperature sensitive items. Specialist packaging and non-standard packing requirements may incur an additional charge. 8,How about the shipping fees?       The shipping cost depends on the way you choose to get the goods. Express is normally the most quickest but also most expensive way. By seafreight is the best solution for big amounts. Exactly freight rates we can only give you if we know the details of amount, weight and way. Please contact us for further information.   Our Services Warm and Efficient Service 1.Forty years technique deposition  2.Military standard quality 3.Free sample 4.Small order is acceptable   Contact us  

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Product Categories : Boron product series