Audited Supplier
OB
5242-49-9
C29h20n2o2
226-044-2
Powder
Plastic Auxiliary Agents, Coating Auxiliary Agents
Yellow
99.5%
20kg Per Carton, 25/30kg Per Fiber Drum
China
32042000
Product Description
| Product Name | Optical brightener KSN(C.I. 368) |
| CAS No. | 5242-49-9 |
| EINECS No. | 226-044-2 |
| Other Name | 4-(2-Benzoxazolyl)-4'-(5-methyl-2-benzoxazolyl)stilbene |
| Molecular formula: | C29H20N2O2 |
| Appearance | Yellow crystalline powder |
| Purity | ≥99.95% |
| Melting point | 269ºC~271°C |
| Ash: | ≤0.1% |
| Volatile: | ≤0.5% |
| Fineness | ≥ 120 mesh |
| Package | 20kg per carton, 25/30kg per fiber drum with PE liner, or as per the customers' requirements. |
| Applications: It is used in thermoplastic plastics PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, acrylic resin, polyester fiber paint, coating the brightening of printing ink. | |
| Properties: Bright yellow crystal powder, odorless, Decomposition temperature is large than 275°C. It is hard to dissolve in water. | |
| Dosage: Optical brightener KSN is commonly used in the amount of 0.01-0.03%, that is, each 100kg of the materials, the Optical brightener KSN takes 10g-30g or can be adjusted according to the requirements of the product or test. | |
| Storage: To avoid light, can be stored in cool and dry place for 24 months. | |
LD chemical was founded in 2007, we are one of the largest manufacturers of optical brightener, TiO2, and pigments for more than 14 years.
To meet customers' requests, we invested in a Tio2 factory which has our own brand, and also an agency for some other Tio2 brands' sales.
As a manufacturer of the above, we have a technical team specialized in more competitive product development and new product development.
Our customers are from all over the world, I could not only give you the best suggestions based on their feedback in the industry but also provide technical support to solve practical problems during your application.
Optical Brightener product range:
| I.OPTICAL BRIGHTENER FOR PLASTICS/RUBBER/INK/COATING | ||
| Optical Brightener OB-1 | C.I. 393 | CAS NO.1533-45-5 |
| Optical Brightener OB | C.I. 184 | CAS NO.7128-64-5 |
| Optical Brightener FP-127 | C.I. 378 | CAS NO.40470-68-6 |
| Optical Brightener KCB | C.I. 367 | CAS NO.5089-22-5 |
| Optical Brightener KSN | C.I. 368 | CAS NO.5242-49-9 |
| Optical Brightener EBF | C.I. 185 | CAS NO.12224-41-8 |
| Optical Brightener ER-I | C.I. 199 | CAS NO.13001-39-3 |
| Optical Brightener ER-II | C.I. 199:1 | CAS NO.13001-38-2 |
| Optical Brightener ER-III | C.I. 199:2 | CAS NO.13001-40-6 |
| II.OPTICAL BRIGHTENER FOR DETERGENT | ||
| Optical Brightener CBS-X | C.I. 351 | CAS NO.27344-41-8 |
| Optical Brightener CXT | C.I. 71 | CAS NO.16090-02-1 |
| III.OPTICAL BRIGHTENER FOR TEXTILE | ||
| Optical Brightener ER-330 | C.I. 199 | CAS NO.13001-39-3 |
| Optical Brightener BA | C.I. 113 | CAS NO.12768-92-2 |
| Optical Brightener BBU | C.I. 113 | CAS NO.16470-24-9 |
| Optical Brightener CXT | C.I. 71 | CAS NO.16090-02-1 |
| IV.OPTICAL BRIGHTENER FOR PAPER/PULP MAKING | ||
| Optical Brightener BA | C.I. 113 | CAS NO.12768-92-2 |
| Optical Brightener BBU | C.I. 220 | CAS NO.16470-24-9 |
| V.OPTICAL BRIGHTENER FOR WOOL/ACRYLIC | ||
| Optical Brightener SWN | C.I. 140 | CAS NO.91-44-1 |
| Optical Brightener BAC | C.I. 363 | CAS NO.95078-19-6 |
Q: How to get the price list?
Q: Is there a discount?
A: Different qualities and quantities have different discounts.
Q: Can you provide samples for quality checking before placing an order?
A: Free Samples are available upon request, but the shipping cost should be paid by the customer.
Q: Which loading port can I choose?
A: Shanghai, Qingdao, and Shenzhen port can be, depending on you
Q: Can you customize products?
A: Yes
Q: How about the delivery lead time?
A: About 3-5 workdays after we get the deposit.
