Optical Brightener for Plastic CAS No 5242-49-9 KSN

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Product origin: Changsha, Hunan, China

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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.

About LD Chemical
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?
A: Please inquire us by Alibaba or email

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.

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