The specification of Optical Brightener OB1 / 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole CAS 1533-45-5 Factory supply
Product name :Optical Brightener OB1 / 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole
CAS No:1533-45-5
Molecular formula :C28H18N2O2
Formula weight ;414.45
The COA of Optical Brightener OB1 / 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole CAS 1533-45-5 Factory supply
| CAS NO | 1533-45-5 |
| Molecular formula | C28H18N2O2 |
| Molecular weight | 414 |
| Performance | Appearance: bright yellow cystal powder
Melting point: 357-360℃
Purity: ≥98.50%
Minimum ultraviolet absorption wavelength: 374nm
Maximum ultraviolet absorption wavelength: 434nm |
| Product picture |
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| Main ingredients | Two styrene base double benzene and the evil azole |
| Features | 1.high whitening strength and strong fluorescence
2.wide application scope: polyester, nylon fiber and various plastics
2.fine high-temperature resistance |
| Application scope | 1.for the whitening of polyester fiber, nylon fiber and polypropylene fiber
2.for the whitening of polypropylene plastics, hard PVC, ABS, EVA, polystyrene and Makrolon
3.to be used in polyester and nylon. |
| Application method | Recommended dosage: for each 1000 kg material
1.EVA, polypropylene fiber, nylon and Makrolon: 75~200g
2.polyster fiber: 75~300g |
| Packing and storage | Packaging according to customer requirements (25 kg) cartons, paper bucket, paper bags. Packaging according to customer requirements. Dry, dark save |
| Precautions | The product information for reference, research and identification, the Company does not assume the responsibility and patent disputes caused. If you have any technical or problems, please contact me. |
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Company Profile
Welcome to Hebei Guanlang Biotechnology Co.Ltd (Guanlang)
Guanlang is a fast growing intermediates company,Which located in Shijiazhuang,Hebei Province.Our main product is chlorine dioxide, Sodium dichloroisocyanurate(sdic or nadcc) ANDTrichloroisocyanuric acid (TCCA)for water treatment.We also supply raw materials for detergent and hand sanitizer products,such as carbopol 940,carbopol stock solution,Hydroxypropyl methyl cellulose (HPMC) and so on.
Guanlang also supply various industrial chemicals for customers, such as citric acid,potassium chloride etc.After ten years development,Crovell has become a Diversified development company,not only involves in chemicals, but also real estate ,agricultural products and so on.So far, Guanlang has usiness in more than 35 countries,most big customers come from europe and America, because among the suppliers in China.
Guanlang can always make the product quality best, some of the products from Guanlang.This is the important reason for customers who choosing Crovell.In future, Guanlang must become to a more important trade bridge for china and foreign countries especially in pharmaceutical industries.
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why choose our company
1. quality
our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price
we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
3.packing
we can do according to the customers' request.
4.transport
ems,dhl, tnt, ups ,fedex, by air, by sea
dhl express, fedex and ems for quantity less than 50kg, usually called as ddu service;
sea shipping for quantity over 500kg; and air shipping is available for 50kg above;
for high value products, please select air shipping and dhl express for safe;
5.service
we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes
us able to offer you one-stop service from the order to the products transported to your hand.
we will try our best to satisfied you.
1. tailor-made for every customers.
2. third-party test for the products you demand.
3. test your counter-samples and produce them for you.
4. best discount for old customers.
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