| CAS No.: | 1533-45-5 |
|---|---|
| Formula: | C28h18n2o2 |
| EINECS: | 216-245-3 |
| Appearance: | Powder |
| Usage: | Ink, Plastic, Paint, Textile, Paper, Leather, Phot |
| Color: | Yellow |
| Samples: |
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| Customization: |
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| 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole Basic information | |
| Product Name: | 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole |
| CAS: | 1533-45-5 |
| MF: | C28H18N2O2 |
| MW: | 414.45 |
| EINECS: | 216-245-3 |
| 2,2'-(1,2-Ethenediyldi-4,1-phenylene)bisbenzoxazole Chemical Properties | |
| Melting point | >300 °C(lit.) |
| Boiling point | 533.34°C (rough estimate) |
| density | 1.2151 (rough estimate) |
| refractive index | 1.5800 (estimate) |
| storage temp. | -20°C |
| pka | 1.45±0.10(Predicted) |
| Item | Specification |
| Appearance | bright yellow cystal powder |
| Melting point | 353-360 ºC |
| Assay | ≥99.0% |
| Ash | ≤0.5% |
| Loss on drying | ≤0.3% |
| Minimum ultraviolet absorption wavelength | 374nm |
| Maximum ultraviolet absorption wavelength | 434nm |
Optical brightener OB-1 Usage
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
Optical brightener OB-1 Features
1.high whitening strength and strong fluorescence
2.wide application scope: polyester, nylon fiber and various plastics
2.fine high-temperature resistance
Optical brightener OB-1 Application method
Recommended dosage: for each 1000 kg material
1.EVA, polypropylene fiber, nylon and Makrolon: 75~200g
2.polyster fiber: 75~300g
Optical brightener OB-1Packaging and Shipping
Packaging according to customer requirements (25 kg) cartons, paper bucket, paper bags. Packaging according to customer requirements. Dry, dark save.
1. Packing: 25kgs/drum (lined with plastic bag) or as per customer's request.
2. Delivery time:7-15 working days after deposit
Shandong Boyu Co., Ltd. is located in Shandong Province, China. We specialize in the production and trade of organic intermediates, food additives, daily chemicals, etc.
Our products are exported to more than 100 countries overseas, and we have established close and stable cooperative relationships with more than 200 countries. 80% of them are exported to Europe and the United States, and 20% are exported to Southeast Asia, the Middle East, South Africa and other regions. Due to excellent quality and after-sales service, our company has won a good reputation at home and abroad and is highly praised by customers.
"Quality first, customer first" is our tenet.
Sincerely looking forward to establishing long-term and mutually beneficial business relationships with customers around the world.
Q1. How can I get the sample?
Re: We provide you free sample. But you should pay for the postage. When we have a transaction, we will refund the postage of this sample.
Q2. How can you guarantee the goods you offer is qualified?
Re: We can provide sample, COA, MSDS and etc to help you insure the quality. And we promise every batch of product will be tested in the factory, and they can only leave the factory after the quality is qualified.
Q3. How can I get your best price?
Re: We will provide you timely market information and the fluctuation trends of raw material to help you determine the most appropriate time for an order.
Q4. Can you provide a product test method?
Re: Of course, we will provide the laboratory testing method to our customer.
Q5: If I want to use my appointed label or package, is it possible??
Re: Yes. We can use the appointed label and package according to your requirements.
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